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RASS-R Radar Comparator Mono

1. Edition Edition Date Status 010 02 Sep 13 Released Issue DOCUMENT IDENTIFICATION SHEET DOCUMENT DESCRIPTION Document Title RASS R Radar Comparator Mono Document Reference Number EDITION 9 EDITION DATE 18 Jun 13 Abstract The Radar Comparator 1s radar analysis software Using targets of opportunity data 1t can predict the majority of the performance parameters required by international ATC documents ICAO and EUROCONTROL The Radar Comparator is available as two separate components Radar Comparator Mono RCM and Radar Comparator Dual RCD for mono and dual source radar analysis respectively The RCM can be used in order to evaluate the Probability of Detection Code Probabilities False Plot Rate and Radar Accuracy The RCD is generally used to measure the systematic errors For details please refer to the RCD user manual Keywords Systematic errors Random errors Probability of detection Opportunity data Barometric correction Timestamp statistics Trajectory analysis Filtering Trajectory reconstruction Plot to track association Measurement tolerance Tabular Pd displays Coverage volume Screening angles CONTACT PERSON Jeroen Janssens TEL 32 14 231811 yy DOCUMENT STATUS AND TYPE STATUS CATEGORY ee Working Draft Executive Task Draft Specialist Task Proposed Issue Lower Layer Task Released Issue ELECTRONIC BACKUP E UM 00029 009 RCM doc po Media Identification A INTERS
2. INTERSOFT ELECTRONI C S
3. 11 05 41 445 11 05 42 375 6020 3 i reflection 11 05 46 062 11 05 46 690 60201 31 reflection 11 05 50 406 11 05 51 358 6020 o U 1 1 z 11 05 45 789 11 05 46 718 6020 z a s Figure 6 4 False plot statistics table New from RCM version 3 4 2 is that the user can add any field available in the S4 or D data to the track data table By right clicking in the False plot statistics table the following options are possible rnanan A Sort Column a Copy to clipboard fl Save setup E Add Field gt E Delete Field Figure 6 5 Right click in the False plot statistics table Adding a field invokes the same table as in Table 5 3 Info window explanation The unit of the reported Range and Azimuth difference depend on the units set in the parameters section of the main setup window see 4 1 4 In above screenshot this was set to NM for range dR and degrees for azimuth dAz INTERSOFT Radar Comparator Mono User Manual 76 6 4 Resolution statistics For rotating radars resolution statistics as defined by EUROCONTROL standards SUR ET1 STO1 1000 STD 01 01 and SUR ET1 ST03 1000 STD O1 O1 are calculated see also 5 6 5 ei P 7 F tion statistics var Valid and Correct A code 98 Valid and Correct C code 99 38 Detection probability SEH e Standard area 1 Standard area 2 Standard ee Figure 6 7 PSR resolution statistics 5 INTERSOFT ELECTR
4. Radar Comparator Mono User Manual 22 4 Program setup When you run the RCM the user interface as in the figure below will be displayed The parameter interface has the universal tree structure Parameters are grouped according to their meaning and functions into two groups parameters and node Each group contains several subgroups D CAMPAIGN S6 NEW CAMPAIGN Parameter parameters 2 ae plot to track association Ge FRA HERA E statistics Bl save processed files Crue node ae parameters HE biases and accuracy ER coverage BR data fH corrections Figure 4 1 RCM User Interface When you right click inside the tree control the following popup menu appears EN Copy to clipboard EN Copy to dipboard ES Load ICC 23 gt SES E EI Save KS from file m to file Figure 4 2 RCM right click With this menu you may want to perform one of the following operations e Copy to clipboard it makes a spreadsheet copy of the parameters that can be pasted to a document for reporting purposes E g Microsoft Excel notepad e Load setup load the setup from the current campaign See Figure 4 3 e Load from file select a setup file to load stored outside the current campaign This is handy when the evaluation of the radar has been already conducted before and the setup has been created and stored in a different campaign e Save setup save the setup to the current campaign See Figure 4 3 e Save
5. di lt lt DATA SOUNDINGS Search SOUNDINGS Organize Open Burn New folder f e 7 gt Name Date modified E UY Favorites E E BZ Desktop we 03882 Herstmonceux Observations at 12h00 25 Jan 2008 3 29 2013 11 22 AK AN Downloads 06260 EHDE De Bilt Observations at 12 00 17 Jan 2013 2 7 2013 5 43 PM Figure 5 14 Saved sounding files When the data is downloaded to inspect the result you may press the menu button RS in the data analyser window and select display option Then the display below will be shown Standard ICAO 1964 red Sounding blue Calculated error green using sounding grey using true height pressure Hpa height error m 20000 30000 40000 Height ft Figure 5 15 Sounding information display INTERSOFT ECECTROMIC S Radar Comparator Mono User Manual 49 When the data is received the graph indicator will show the sounding consisting of 3 or 4 curves The red curve is the default relation between atmospheric pressure and height as being defined in ICAO 1964 The blue curve in the example above represent the sounding data retrieved from the internet So there are as many points as the sounding data contains measurements The green curve is the calculated height error in m by comparing the balloon sounding to ICAO 1964 standard atmosphere An optional 4 grey curve is available whenever an ADS B recording with GPS height is selected in the main setup window Th
6. mmm ANA ME VA DA False Plot Analysis be S o max NC length bes a o False PRO can Multiple SSR targetreporis o um osm EENEG Loge le E es it 2 owa LE A A A Aensct Analysis O S s S SR range accuracy ma oo SSA azimuth accuracy deg ue ap SSR ratio of jumps gt 1deg or gt 70 am is PSA range accuracy mn PSA azimuth accuracy deg as MODES range accuracy mo MODES azimuth accuracy deg ae anren O S s S anren OOO S y S ssRaveragegapse h o EE hea AA A A AA t d Figure 6 2 Statistics table window INTERSOFT ELECTRONIC S Radar Comparator Mono User Manual 71 The following table explains the different meanings Table 6 1 Statistics explanation Standard Explanation 11 00 03 Lowest timestamp of used target reports 00 59 55 _ Length in time of the used dataset 118972 if 4 Number of detected plots in the filtered dataset Track Number of detected tracks in the filtered dataset 0 38470 LGE Number of used PSR detected reports in horizontal coverage 110777 LGE Number of used SSR detected reports in CMV coverage volume Number of used combined PSR SSR detected reports in CMV CMB 38470 coverage volume Number of used Mode S detected reports in CMV coverage MODES volume 110777 O ae Number of used detection reports in CMV coverage volume lt minimum track length Number of disregarded detection reports because of short track mm ss J zmax NC length scan 6424 length or
7. 5 2 Description of the data columns or sounding indices Figure 5 19 An example of the sounding file saved as text INTERSOFT C S lL ELECTRONI Radar Comparator Mono 5 3 Alter User Manual 53 To select a subset from the data for analysis main process and or data analyser on can set a filter Open the filter from the main window by pressing and selecting filter from the list Figure 5 20 General utilities and display menu data analyser LE filter plot info track info E XY display Wl accuracy display H coverage display FA cell statistics display radar statistics track statistics false plot statistics if resolution statistics EH export to SMS The Filter window is organized just as the rest of the setup interfaces of the software 1 e using the tree structure to create new and edit existing filters The filter may contain a number of units logically ANDed Each unit may be active or idle if idle the content of the unit is ignored Parameter 8g unit E B8 unit Estate idle group Status 1 filter on A code active group 1 A Code 4350 Status 1 55R detect group 1 nested status 1 status 1 second unit Figure 5 21 Filter dialog ame of the unit optional Main group with AND OR condition Logical conditions ested group with AND OR condition Conditions inside nested group econd unit The unit can contain a number of nested conditions struct
8. Ba displayed data 8 colors E graph colors i relief colors iit tabular colors Ml interpolate color yes S transparency 1 150 transparency 2 75 Figure 5 37 Tabular colours for coverage display Pa INTERSOFT ELECTRONIC S Radar Comparator Mono User Manual 65 The cell based tabular result display shows the statistical quantities for a radar based on graph type selected cell size and other parameters defined in the cell statistics parameter list See paragraph 4 1 3 As the statistical quantities the Pd range or azimuth accuracy can be displayed The colour represents the specific levels of the parameter and configurable using the general display configuration interfaces right mouse click les Cell Statistics l l l l 100 e 100 120 Figure 5 38 Cell based display Radar Comparator Mono User Manual 66 5 6 5 Resolution Analysis RA Display Provides a graphical representation dR versus dAz of all observed resolution cases divided in 3 resolution areas as defined by EUROCONTROL standards SUR ET1 STO1 1000 STD 01 01 and SUR ETI STO3 1000 STD 01 01 Edges of the areas are set by the RA parameters see 4 1 3 For a SSR the display 1s divided in following 3 areas Ap NM Ap AB are the differences of the two aircraft true positions in slant range and azimuth Figure 5 39 Resolution areas for SSR as defined in SUR ET1 STO1 1000 STD 01 01 E Resolution Analysis Fig
9. D6 format is no longer supported With RASS R DHM a D6 file can be converted to S4 lt 2 INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 36 4 2 5 Corrections The corrections subgroup contains the following parameters Bly DACAMPAIGN S6 NEW CAMPAIGN Parameter w B parameters Elsa node eo parameters OB biases and accuracy ER coverage a data EH Ha corrections Bl barometric off E sounding data 06260 EHDE De Bilt Observations at 00h00 25 Jul 2010 Figure 4 13 Node corrections e barometric off on enables barometric correction of the data Use the data analyser first in order to measure the existing errors and retrieve the barometric data o sounding data filename a filename of the sounding data retrieved from Atmospheric Sounding Website http weather uwyo edu upperair sounding html INTERSOFT ELECTRONIC S Radar Comparator Mono User Manual 37 5 Tools and Displays All tools and displays can be accessed using the same menu button as shown in Figure 5 1 data analyser E filter plot info 22 track info EJ XY display al accuracy display FE H coverage display ta resolution display radar statistics track statistics false plot statistics Li resolution statistics EH export to SMS Figure 5 1 General utilities and display menu You can change the transparency of the displays tables and dialogs The transparency can be ci
10. alpha blending coefficient between 1st and 2nd display layers if available min max 254 equals to the fully opaque o Transparency 2 alpha blending coefficient between 2nd and 3rd display layers if available When you do a right mouse click in the display setup window the following popup menu f Load setup appears Recon This will be saved in a setup file in the RCM installation folder You must press ENTER to enable any parameter and display update in the display configuration setup INTERSOFT ELECTRONI C S Radar Comparator Mono User Manual 40 5 2Data Analyser The radar data analyser in older versions of the Radar Comparator it was named preprocessor has been developed to measure errors of different nature that might be present in the data and therefore affect the radar performance analysis In RCM data analysis it is possible to measure correct the timestamp errors and barometric errors The barometric height correction should be performed in order to produce more accurate CMV Coverage Measurement Volume estimates and therefore more accurate radar statistics Timestamp errors can only be evaluated not corrected Timestamp error analysis is often important for radar diagnostics and the program parameter adjustment to check the integrity of the data find scan based Pd drops etc The data analyser in RCD additionally provides eccentricity and refraction corrections as these were found to be important only
11. hh mm ss sss Longitude hh mm ss sss Mode S MB data hex a O US ii RDIF 8 amp 9 Range Ref Code Ref 43 till 60 Ref code 1 Ref code 2 Reflector Run Length S Address S address S D 3D height PSR height or GPS height if source is ADS B Range NM gt Temporarily not supported RCM v4 0 0 INTERSOFT ELE CTR OW I S Radar Comparator Mono User Manual 56 Set AA Source Dest AAA ETS G O R Scan Nr Scan number gt False plot False plot bit set eflection bit set Remote field monitor bit set 5 Mil emergency Military emergency bit set HRA Present AAA o e O Radio fail 7600 TI Emergency 7500 __ Co O A AA AA A TCC bit in 1048 170 type of plot coordinate transformation mechanism MAH bit in 1048 170 manoeuvre detection in horizontal sense ETT On NOE on OU OO All Call detect bit set AT ATA AR P MB i Paid oo y yO Diop fied o i O CIAT A AAA AAA ARA gt eee AAA AA A AAA Surveillance TPar OOOO TargetGen o o O HEAT y O MAI o O Target IDI o O O OOOO PT O A O EA A O INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 57 5 3 2 Typical filter examples Example 1 Filter on S address gt Filter S Address MW AD237F Figure 5 23 Filter example 1 Example 2 Filter on S address AND A code group S Address AD237F A Code 6007 Figure 5 24 Filter example 2 Example 3 remove track ends and
12. if resolution statistics EH export to SMS Figure 3 4 General utilities and display menu These tools include the following e data analyser is used to measure a number of possible non specific errors in the input data 1 e errors neglected by the used mathematical model but able to have the direct influence on the accuracy of the measurement e filter is used to create edit load and store various filters The filter content can be stored and retrieved locally globally or to a file e plot info is used to access the plot track information addressed by the cursor in various graphs e track info is used to present the track data based on the plot list The following displays use the generic multi layer display objects so that the handling and configuration procedures for all of them are similar e XY display is used for mono radar plot track display The user can easily redefine the amount and type of the data presented on the display Relief and cell based statistics can be displayed in this graph e accuracy display is used to display the random range and random azimuth errors e coverage display is used to display the theoretical coverage of the relief based on the pre calculated using RASS R Coverage Map Calculator software screening files hrscr RASS R or scr SASS C formats The relief and radar data can be displayed simultaneously This provides powerful coverage analysis tools e cell statistics display
13. sector messages plot track messages green north messages red INTERSOFT lL ELECTRONI C S Radar Comparator Mono User Manual 44 The timestamp display has a cursor which produces the short info about the plot containing radar ID timestamp A and C codes For additional plot info data the Plot Info window See paragraph 5 4 must be active its content is updated with the plot data corresponding to the present cursor position The method for calculating the timestamp random error is the following It is assumed that the antenna conducts a uniform rotation Then the unwrapped plot azimuth vs the timestamp must be a linear function Using typically a few rotations of the antenna the linear regression fit intercept and slope are produced the timestamp accuracy random error is calculated as the deviation of the actual timestamp from the established linear fit For modern radar the timestamp jitter of lt 3 milliseconds one sigma is a typical result See also Figure 5 6 Significantly higher timestamp jitter can be encountered especially for the formats that don t contain the time of detection field The timestamp is then produced by the recording device that depends on the data load and so may generate errors of an order of magnitude of a second The tool might not be able to measure the timestamp errors on the data acquired at a rate comparable with or exceeding the time of the antenna revolution as well as in
14. CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CC CC CC D ODAN OS WOM O 0 WO WO O 0 DN mM DD AINLO DO lt LO LO LO PR AMO A MM MAL DD 1 OLD LON st Odd O LO LO 0 LO LO LO O MONON CO ALON rm Hor v CODO PF OLD ON LO O Pr ON OY Pe AAO PM NAN st st O 00 CO DN NSN OO DWM DMN mM NO AF st 10 O dd O YN YN O rc 4 M LO LO LO LO O O FON OO O O rn ee A a H A A ON ON ON ON 9 09 0 SE st st st st LO LO LO O WWD LON LO LO LO LO LO LO LO LO LON OW LO LO LO OW DW WH WH WO WO WO 1 LD HO WH O Fr HL MH r rm TEMP 5 2 2 2 Sounding files from any intemet browser HGHT m PRES hPa PFN A LO O COM O ST TF DIM CO Tm DON DWDM PF O 0 AMD WO DOO HNDMNDWOWDN NA aAa N O LMN O Y O Y O O O O c O OO O LNN O O M OA 00 N ANA S O 00 O dei On 00 Fm CO MLA N O FP O O MN 00 H A N O LO ON 00 4 LO MN MON SFO LDN COON ATF O O 11M DWM MM CO O WO WM FP WL WO FN O O HONE NWO 0 TOO dim Y Y Cd Or 09 MM LN Md OM O Md A Onst LO Cd Cd ON ON st LO 00 ed Cd O 0 MM O Y 00 O MN Onst 1 A NN MIE OH NS Ft LO 4 O Mi st 00 mM st Y A Y Cd 00 MN MM NN st 15 LO O 0D M0 00 On COOC CnCHCheie eiCd ON ON ON OO ST st LO OO WO MN MM CO CO OO Di DO O A 04 00M MM MM st st A e A A A A A A A A A A A A A A A A A A A HA A HA ON ON ON Cd Cd ON ON ON Cl Cl Cl Cd COOOOOOOoOOOOOOOOOOOOOOCOOOOOOOOOOCOOOOOOOOOOCOOOOOOOOCOOOOOOOm NOocoOOomOoOo0oodso0 O Oo OOO0Ln MNOOOGO cH NDOO ATO DNF A ON O 0 CO COnCnCnst CJ ONO O OOO OO mM ON O 0 O O
15. LO LO O LON O MN CO MM CO MN MM PLO MR FP OO WO EF CO O O M CO v Cd Cl ON CON ON ON ON Cl ON NSN NN NN NN NN NN NN NN NN NN NN ON Cl NN NN NN NN ON ON ON ON NN ON ON NNN ON ON NN ON ON NNN NNN ON ON MAMAN ON Cl ON DRCT deg v WO LOCH DN NCO HAM O COLD MLO lt lt LO MALIN OO iO WD AC st CN O 0 Md CnmLOH CJ Cd Cd Cl ea O O O O en enen n nn en oOoOooOo v MM LN MM AN MM O MM YN YN COMM OO st CJ Or st TM THOAOODOOOOOOOOOOOOONOOOOOOOOOOOOOCOOOOOCOOOCOOOCOCOOOCOOOOOOOOoOooo g kg 12Z 24 Jan 2008 MI XR v OO O O OOO OM LO st CO CO CJ NN A A A A HH O O O O O O ennen nenn en en n en en n n en n n dn n n n n n En n n e n n En En n n n n e nh n n OOO em v DONT OO CO DDO OD COM COO Pm FP AN re SF HIM CO ON O CO eN AO AN HD FE FE LOD WO CO CO CO st MM AN NS NS NS ON MO OD O MM IAN Cd Cd NSN NM MOM OM ON CANN OM ON OO mM Mm v OMOANMNN DT OO OD DM MDM CO Fr CO CO CO MDM MD FP F OM FOO MM 7 0 MM A RELH Observations at DWP T C C Lamm am A A v MO RM O Oo WO WOW MNO DAN FIP LO FN ON ALON MM LO LO OO WAM M0 4 OO HAAN DM Mi DN NLD lt lt DN LO LO LO LO LO LO LO CO CO MM MM O COLD PF HO PF E A E E E ier 1 CO CO CO FP FP MO LO ON A O DM IM iO LO DN AT O O 0 WO CO O MA MM FP OHO WO WH Fr O Mi CO CO O N NN MM ST ST WO CO MN CO CO CO CO CO CO CO DM DO Kn O AN N MM mM A v eieiei AA Cd Cd Cd OH OM M M CO LO LO LO LO LON O WO WO LD F MF MF OO CO CO CO CO CO
16. all mearly state the reported value has to be compared against the true value These standards do not indicate how the software should know what the true value is The assessment in RCM works the following e The A code of a target report is considered invalid when the code differs from the median of the 3 preceding and 3 following target report from the trajectory the report under investigation is linked to and is unique in this subset of 7 If the A code was flagged valid than it is counted as a valid and incorrect A code e Valid and Incorrect C code In this case the C code is considered invalid if it deviates from the expected true value with more than the set threshold see 4 1 4 With MODE S no false codes should exists however the software still calculates them using the same method upon popular request INTERSOFT lL ELECTRONI C S Radar Comparator Mono User Manual 74 6 2 Track statistics e et ID Timestamp Duration SAddress A Code TrackNr StdR StdAz Detected Missed Pd _11 00 04 04 00 58 44 78 4334 Dose 0 0377 763 1 99 869 E 346 720 0 0050 0 0205 100 000 Kapi 0 0051 0 0342 125 100 000 4337 0 0098 0 0452 771 98 973 6615 0 0043 0 0342 90 100 000 1435 0 0057 0 0307 625 99 364 6637 0 0044 0 0232 152 100 000 716 0 0054 0 0235 407 99 511 366 0 0049 0 0492 201 99 015 0 00 0 043 126 98 437 0 0045 0 0271 173 100 000 0 0050 0 03
17. campaign field When running the RCM it will automatically use the last campaign used by the RCM or RCD or one selected using the RASS R toolbox see chapter 2 RASS R toolbox e The field with parameters and node radar information See section 4 Program setup for details INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 18 Toolbar The toolbar allows the user to create new or select existing campaigns and access different displays and tables An overview of all the toolbar buttons is given in Table 3 1 Table 3 1 Toolbar overview Press to select an existing campaign or create a new campaign Use this button to process plot to track correlation at the end of the processing the coverage information 1s applied to produce the final statistical result After processing this button becomes inactive until a parameter or node setting 1s changed Then you can press the button again During the processing the following dialogs will be shown in consecutive order Processing rad3 parameters Processing rad3 080124 1100 Press and select tools and displays see the next sections for details data analyser E filter plot info track info E XY display kB accuracy display H coverage display EH cell statistics display resolution display radar statistics A false plot statistics i resolution statistics ES export to SMS Press the button to exit the RCM will exit after your confirmation E
18. do find any errors or inconsistencies please contact support intersoft electronics com and we will make the appropriate adjustments INTERSOFT ELE CTR OW I S Radar Comparator Mono User Manual 6 TABLE OF CONTENTS Ll MIN TIN ME 12 1 1 RCM AS APART E 12 IZ BENEFITS AND POSSIBILITIES EECHER cccsieusvenutesivenssavovanneosoxeruserstquutssaneuss av oreancosenasusieskquntavaneustoroxeiinns 13 SET e OLN EE 14 2 A A A 16 3 RCM BASICOPERATION EE 17 TER Enge GE 17 Die ENEE 20 i PROGRAM SETUP AMA O 22 AI eh e 23 4 1 1 Plot to track association 23 La E dsd anna 25 ALI EE Ee Ge EE 28 4 1 5 Save processed les 30 A NOD E 31 dal A 3 LSA MME OOK RG OL SCRE UTO Vopr a ee eee ee ee eee ee ne eee ee eT ee Se ee ee ene er ee eee 52 Aa SE a A A E A A TAANA EAA A EE AIEA AEEA 33 A A A e oe o A 35 A A A tae wat A 36 5 TOGES AND DISPLAY iirscccccscescecusosesesvsssscevecescacevasnsesssusuasevsususeocsesessesavaeetvecessscecescedecssecussevsussstescusectesevaus 37 yl DISPLAYS EE eege 37 Sled BASIC E 37 E Advanced display CONT OUT ONION da 38 52 DATAANALY A a o O ree pete es sot om etme re sate rere oe Setanta cen tue 40 32d Limesiamp E 4 A yo 42 5 2 1 2 Timestamp analysis displaying Options ccccccccccscccccccecceecceeeeeceeeeeceececeeceeeeeeeeeeeeeeseeceeeeaeeeeceeeeeeeeaeeeeeaeaaees 43 5 2 1 3 Timestamp Analysis and Correction typical cases 0c cccccccccccccesseecceetseseccenseneceeaseccccensveeceeteececcensee
19. location See Chapter 2 RASS R toolbox In the Coverage Map Calculator make sure you calculate the screening map with the correct settings for longitude latitude and height INTERSOFT S lL ELECTRONI Radar Comparator Mono User Manual 78 D Problem When you start processing you see the following message Figure 7 2 Data set empty Reason The RCM cannot find the source file data S4 or D i or the applied filter removes all data Solution Make sure you have selected the proper S4 or D6 file Switch off or alter the set filter Check the reference type mono as well it might be associated with a wrong type E Problem When you want to do timestamp analysis you see the following message Figure 7 3 Data analyser error dialog Reason The RCM cannot find the source file data S4 or B6 to perform the timestamp analysis on Solution Make sure you have selected the proper S4 or D6 file F Problem When you want to run the RCM with barometric correction set to ON the following window appears Figure 7 4 No barometric sounding file selected Reason there is no sounding file selected Solution make sure you have selected a sounding file corrections 3 4 barometric on m sounding data 06260 EHDB De Bilt Observations at 12h00 12 Dec 2008 y Figure 7 5 Selection of the proper barometric sounding file G Problem When performing the plot to track analysis in the RCM the f
20. margin in order to allow for some timestamp jitter and target dynamics Load overlap s 0 2 for synchronous sensors such as radar the last portion of the scan 1 e update rate selected in seconds is kept non updated until the next correlation cycle in order to solve possible resolution cases o tracker filter Kalman filter o track confirmation Trajectories or tracks being established by the software are confirmed and used for the analysis subject to a number of other conditions e g min track length etc if the following initial conditions are met n d c for PSR tracks SSR or Mode S tracks with d detections made out of n possible detections the first c detections being consecutive PSR tracks n d c 5 4 4 SSR MODESS tracks n d c 4 3 2 SSR A Code valid on off A SSR track is initiated only if the first plot track has a valid A code PSR or Mode S tracks are unaffected by this parameter o association threshold 50 empirical parameter representing likelihood of the plot to track association probability of the track update given a particular update candidate Increasing this parameter makes the association more strict however increasing chances of non associated plots when radar accuracy is poor or and clutter rate is high Recommended values 50 for Mode S 100 for SSR 150 for PSR o bridge PSR SSR gap 5 Maximum number of allowed consecutive missed intervals Any active trajecto
21. the cases when the plot density is low or the traffic pattern vs azimuth is very restricted due to the mountainous relief However this kind of problem with the measurement can be observed using the data analyser display window Timestamp accuracy is very important for radar analysis because timing error becomes positional error One must realize that the timestamp jitter of 100 milliseconds standard deviation is typically converted to 2 5 m extra random range error depending on the radar range accuracy orientation of the traffic and rotation speed of the antenna INTERSOFT ELECTRONI C S Radar Comparator Mono User Manual 45 5 2 13 Timestamp Analysis and Conecton typical cases Radars may produce non synchronous as well as synchronous delayed messages for example remote field monitors and synthetic targets These target reports may significantly affect the measured antenna rotation speed and generate additional errors in the timestamp error measurement Non synchronous target reports must be filtered out before the timestamp analysis Performing timestamp statistics data analyser is directly beneficial for both types of the analysis RCM and RCD First of all the user should verify integrity of the recording should the stream be interrupted a number of empty scans the reason for such an artefact should be investigated prior to conducting the further analysis cH o D o 11 06 11 359 sc 80 5 0 A 5153 COLA
22. to file select a setup file to store outside the current campaign This is useful if you want to use the setup file for other purposes later on Select the path and filename using the standard file dialog Save in Je RC e E Ki ES Ej L Mame y Date modified Type SC dsetup 5 7 20131 37 PM File o sep 5 7 2013137PM File Figure 4 3 RCM setup files inside own campaign Setup files created using the older RCM versions are limitedly compatible with the newer versions RCM setup files do not have a file extension INTERSOFT ECE ETRONICS Radar Comparator Mono User Manual 23 4 1Parameters Changes of numeric text and compound configuration parameters must be followed by pressing ENTER Otherwise the old values will be maintained Ring controls are updated automatically whenever a different value is selected 4 1 1 Plot to trac k association This subgroup contains parameters for the Object Correlator OC performing multiple hypothesis plot to track association DACAMPAIGN S61NEW CAMPAIGN Parameter EE EH plot to track association Poi H minimum speed m s Sei Di maximum speed m s E E maximum acceleration m s 2 BB advanced ErBtiming load scan 0 85 2 drop scan 0 15 E load overlap s 0 20 BE tracker filter Kalman Giel track confirmation i Ly PSR tracks nudze 6224224 Re 4 SSR MODE S tracks mdse 4 3 2 255R A Code valid on El association thresh
23. when performing dual source analysis see RCD Error type selector Value d timestamp barometric E 19 Aug 2010 14 43 43 29 Elweather station KOKSIJDE EBFN BX 57 0 km E GO timestamp Se Gi timebase plot track El display type azimuth vs time Figure 5 4 Data Analyser The Data Analyser has a tree structure configuration interface similar to the main window see Figure 5 4 Table 5 1 Data Analyser window Control buttons Press to process the data according to the selected error type Upon pressing this button the RCM will read the data indicated with following dialog Processing 080124 1100 Press display to open the data analyser display for timestamp statistics and barometric sounding analysis See Figure 5 8 Timestamp display Azimuth display i i e e e Sta vs Timestamp and Figure 5 15 Sounding information display plat info Press filter to open the filter See paragraph 5 3 EA Press plot info to open the plot info dialog See paragraph 5 4 Press data statistics to open a table for timestamp statistics See Figure 5 6 data statistics The data analyser is only used for error analysis To correct the selected errors the user must enable the corresponding correction flags in the RCM main window subgroup Corrections INTERSOFT C ELECTRONICS Radar Comparator Mono User Manual 4 5 2 1 Timestamp analysis Il Data Analyser Parameter Valu
24. zero time stamped messages from the data set for example when you noticed zero timestamp messages in the timestamp data analyser gt Filter Sele Parameter we o E funit active group Timestamp TOD 00 00 00 000 Status 2 TRE Figure 5 25 Filter example 3 Example 4 remove sector messages gt Filter Parameter 83 unit filter F state active D group a Status 1 sector message Figure 5 26 Filter example 4 From RCM version 3 4 2 north messages are be implicitly kept for the processing for the scan boundaries calculations Example 5 only select Mode S all calls and roll calls in the data set Or condition gt Filter active group Status 1 roll call detect Status 2 all call detect Figure 5 27 Filter example 5 INTERSOFT PTELECTRONI Ez Radar Comparator Mono User Manual 58 5 4 Plot track info Open the plot track info from the main window by pressing and selecting plot info from the list data analyser E filter plot info track info EJ XY display 5 accuracy display O coverage display E cell statistics display resolution display radar statistics track statistics false plot statistics EA export to SMS Figure 5 28 General utilities and display menu The plot track info window shows info for a plot selected by the cursor in one of the RCM RCD displays A number of lines can be highlighted blue in order to improve the readability Va
25. 17 66 100 000 t 11 00 04 007 00 26 32 91 11 00 04 09 00 09 33 400 11 00 04 14 00 59 54 11 11 00 04 15 00 06 50 97 11 00 04 21 00 48 22 78 11 00 04 21 00 11 41 72 11 00 04 23 00 31 22 6 2 11 00 04 28 00 15 33 66 11 00 04 34 00 09 46 52 11 00 04 40 00 13 15 68 11 00 04 51 00 05 05 18 6622 5 Address 0 o O O 0 O 0 o 0 O 0 So Oo Mm hme Oo fb Oo 0 0 0 E Figure 6 3 Track statistics table The track statistics table trajectory based info may be very useful to detect aircraft with anomalous Pd code probabilities and or accuracy This kind of anomalies may have nothing to do with the radar performance and solely reflect the transponder problems Trajectories with abnormal statistics in common airspace with the other trajectories with normal statistics must be carefully handled and might be filtered out to obtain objective radar performance figures However this type of the filtering must be performed with caution without compromising the measurement objectivity and trustworthiness The track statistics can be sorted according to the column contents and has cross cursor links with the XY display When scrolling in the track statistics table the plot number is cross linked with the XY display and the accuracy display The unit of the reported Range and Azimuth accuracy depend on the units set in the parameters section of the main setup window see 4 1 4 In above screenshot thi
26. 43 4FAz 188 eh O mm a D a a D 1 Average value red Plot track messages green Azimuth deg Figure 5 9 Error vs Azimuth sector messages filtered INTERSOFT lL ELECTRONI C S Radar Comparator Mono User Manual 46 o ki ke el ba 1 T U E 0 02 I I i l 11 00 03 9 11 30 00 0 11 40 00 0 11 50 00 0 11 59 59 1 TIME h m s plot track messages Plot per scan sector messages north messages o s I I I l l 11 00 03 9 11 10 00 0 11 20 00 0 11 30 00 0 11 40 00 0 11 50 00 0 TIME h m s Figure 5 11 Plot density vs Time INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 47 5 2 2 Barometric eset dea and conechon Parameter Value E B error type barometic E barometric 2 2 a E source URL 19 Aug 2010 14 43 43 29 oe 2 weather station KOKSIJDE EBFN BX 57 0 km Figure 5 12 Data Analyser Barometric correction The barometric error analysis contains the following parameters e source URL file download barometric sounding file s from internet or analyze the file selected in the radar node e date current date the current date or the date of the last stored setup e weather station list list of the world weather stations containing 10 nearest stations according to the specified coordinates in the radar node 5 2 2 1 Retneve soundings from intemet In order to retrieve the relevant barometric sounding data over the Internet select th
27. 714 25 1716 9 1715 22 1750 5 13 74 77 1376 47 1350 94 1556 71 1394 12 1405 239 1426 17 1419 2 1414 93 1410 79 1410 2 1434 3 1495 19 121 Figure 4 11 example of a CMG polygon Make sure the relief screening and CMV mask file paths are correct see chapter 2 INTERSOFT Radar Comparator Mono 4 2 4 Data User Manual The data subgroup contains the following parameters 3 Radar Comparator Mono V4 0 0 setup DACAMPAIGN S61NEW CAMPAIGN Parameter 35 B parameters Cum node parameters BR biases and accuracy ER coverage CH data Bra E format source 2 2 E format export BB data structure 2 Sech EJ subset EHE corrections e path are stored o format source o format export o data structure stored under path or subfolders each containing one S4 file e subset Shift left mouse button or Ctrl left mouse button d on DATA RASDATA 54 SA Tiles we 0 Figure 4 12 Node data path relative path to the map where the data recording S4 format of the source data recording S4 format of the export data recording files folders the recorded data can be organized as files list in a case when the data recording is segmented for example into 15 minute chunks files or folders one or multiple files can be selected using d Make sure you have selected the data file to be used and you pressed Enter to confirm
28. File folder File folder File folder File folder File folder File folder File folder File folder File folder x p Cenes The RCM will now make the necessary structure of folders inside this new campaign so that it is ready to be used for the RCM When browsing to this folder again using Windows Explorer the folder looks like this Savein J NEW ee Name ay Ji DATA Recent Places di PREFS M A a Li VIDEO Desktop o 2 PE Date modified 6 17 2013 5 00 PM 6 17 2013 5 00 PM 6 17 2013 5 00 PM 6 17 2013 5 00 PM Type File folder File folder File folder File folder Figure 3 3 Structure of new campaign created inside RCM Note After you loaded this campaign in the RASS R toolbox the RASS R toolbox may automatically add other folders inside this campaign structure not used by the RCM See Figure 2 2 Campaign directory structure So it is also possible to create a new campaign for the RCM using the RASS R toolbox i e outside the RCM software Compare Figure 3 3 with Figure 3 2 to see the difference INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 20 3 2General utilities and displays The RCM has a number of general tools available for radar evaluation data analyser E filter plot info 22 track info EJ XY display Kal accuracy display E coverage display EH cell statistics display Ge resolution display radar statistics track statistics false plot statistics
29. ION A di 22 Figure 4 4 Parameters plot to track ossoctiagiton nono nnnnnnnnnn non nnnnnnnnnnnnnnnnnos Zo PISTAS A DOMO EE 25 EE EE 27 Figure E 28 Figure 4 8 Node poramteierg R RR RR RR RR RN nn nn nn nn nn nena nnnnnnnnnnnnnnincnnnnnnnnnnnss 31 Figure 4 9 Node ACCUTACY 1 A EEEE S Figure 4 10 Node E 3535 Figure 4 11 example OFC VIG 901 eebe ege Ee 34 Pre E OO Irae 35 EE 36 Figure 5 1 General utilities and display menu 37 Figure 5 2 Displays configuration POPUP ien S Figure 5 3 Display setup typical entries values occccccccccsseccccccccsnsesecccceeeenaeeessecceeesaaeeeeeeeeeeaaaesseeeeeeesaaasseeceeeessaaaaseees 38 Figure 5 4 Data ANOS siria 40 Figure 5 5 Data Analyser Timestamp Analyse 4 Figure 5 6 Data stoatisttcg nn nn nn RR rr R RR RR RR RR RN nn nn nn nn nnnnnnnnnnnnnnnnnnnninnnnnnnnnnnos 42 Figure 3 7 Display Ype ascsisasasacssastansanatasnsasindeerdnacasnsdsasesnsdWasdsrinsarnoweieciontasnidnansyusdedseenesaeteloctunteseidganreesdoteusmvagaeebandoat 43 Figure 5 8 Timestamp display Azimuth vs Tmestomn 43 Figure 5 9 Error vs Azimuth sector messages filtered ccccccccccssseeccccccceccnneeeseccceeeaaaeeseeeeeeeeaaasseeeeeeeeeaaaaeeeeeeeseaaanees 45 Figure 5 10 Error vs Time sector messages Dilteredl 46 IG EE re VS TUNE siaii sess usar deas aai naii EAER EAA AEA ERA 46 Figure 5 12 Data Analyser Barometric COLLECTION nn nn nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnoss 47 Figure E E 48 Hita AVC SOM
30. M A AN FT O 10 O GM SM O hi O OO O LO v NN A O OM MM AN O 1 ON Or FN MO A O 01h WM ON AD O O IM LON OM YN O O DM CTO CTO O LOCH OM OM DWM 0 FP Pm OW LN WO SN st st st Mmm mM AY Cd YN O O CO CO ODO OD OD CO CO CO FP OW 1 1 10 10 LY lt lt st st MM MOM MM MM MM A N Cd ON ON ON ON A gt 2559 ec A e e A downloaded page as txt or html if you do not have the direct network access on the RASS R computer http weather uwyo edu upperair sounding html You can alternatively use any internet browser software on a standalone computer and save the MYCAMPAIGN DATA SOUNDINGS folder Select the file you want to use using sounding A sample of the sounding file is given below in Figure 5 19 You must copy the file s into data control in the main window see Figure 5 16 Radar Comparator Mono 06260 EHDB De Bilt S INTERSOFT EL ECTRONI ion identifier Station number Observati n a Station information and sounding indices Stat LIFT computed using virtua Radar Comparator Mono User Manual 52 Convective Available Potential Energy CAPE using virtual temperature Convective Inhibition CINS using virtual temperature Bulk Richardson Number Bulk Ri dson Number using CAPV Temp K of ted Condensation Level Pres hPa of ted Condensation Level Mean mi xe potential temperature ixed layer mixing ratio a to 500 hPa thickness Precipitable w m for entire sounding 0 0 0 0 0 0 2 9 2 d
31. N CO OO st SS st st st st st st st FLO LO LO LO LO LO LO LO LO LO THTE THTA K v CO M O COW CJ DN NORK A OOA rc 10 e 00 st 0 Md st ATO Y 0 MM O Dd A A O ed O CO Mm ATF MH CO WO O MV st CO CJ 00 LO rR OO Fei FAN O MM IM LOHOO NT I re v eieiei HA ei Cd st LO MA PM Oh MM LON O CO CO ON st st WO PE NNN st LO O WO WH CO CO MD HIM F CON OM FR O SF WON FT O LO ON WO NOM COT MO LO LO MALO lt lt ON A A 4 st 1 CO CO CO CO CO CO CO CO CO CO CO Dd lt D M AOAADDOAYKMAMKANDDYMO OOO O A A AA AA AA AA HA HA AA AA AA ON ON OO ON LO LO LO LO MA Pm CO 0 O 1 MM lt LO LO LO OP OM O ON Cd Ost LO CO re Yr v Cd Cd ON NSN NSN ON NSN NSN ON N NN NNN NNN NMA OS MMM OS MS ON CAM CAM MONON ON ON ON ON ON NON NN MA MM A st st st st st st st st st st St St LO LO LO LO LO LO LO LO LO LO User Manual v N O cN A st PM LO LO A A Odd O One LOCH On O dd 00 Che NNO DS st st st st LO LO MA MK Or OO OH MM A O O 1 MM CO FR MN re aI TD O A A 00 FCO AAA ON ON ON ON ON ON MM Ost st LO LO LO O LO LO LO O O CO CO CO CO CO CO CO CO CO CO CO O CO CO M LO LO LO LN O O LN lt lt LO LO ON ON SFOO NN OO lt lt st MM lt lt st ELO NM mM lt lt Lo SKNT knot v CO Len ennen Chen O O CC Ch O N FL O O O O O ULVO OO O O O O OLN O O O N DW DW 0 O LN LO MN LN O O O LN MON UH LO LO 10 O 10 10 O O O M O LN O DLN OS OO AA O AAN SS MA MA O LO LO LO LO LO LO LO AAO OH ON CO st st st st st 0 LO LO LO St st st LO LO LO O LO LO
32. NC length Unused o Unprocessed reports because of other reasons o pp Detection Ab 1 JL Number of chains L 200 is the number of tracks after the tracking algorithm in the RCM Minimum track length mss 05 00 0500 Setparameter see4 1 4 oo Number of chains with Pd lt Pdmin 2 Count of chains with Pd below the set threshold see4 1 4 Number of detections with a amax 3295 Count of target reports with excessive acceleration see 41 4 Valid A code 109723 99 049 __ Number of valid A codes equals number of correct incorrect Valid and Incorrect A code ValidC eode Ligent 98 938 __ Number of valid C codes equals number of correct incorrect Overall false A C codes La 0 275 Lu fo SSRIPSR probability of association 85 544 95 O OO O Number of missed PSR targets only in coverage if ON after performing the tracking algorithm Depending on plot to track Missed PSR 6842 association parameters Number of missed SSR targets only in coverage if ON after performing the tracking algorithm Depending on plot to track association parameters Missed SSR Missed SSR amp PSR Missed MODES Missed MODES amp SSR amp PSR Missed PSR AND SSR plotstracks Number of missed Mode S plotsitracks _ Missed PSR AND SSR AND MODES plots tracks Detection probability SSR __ 99 478 97 00 _ Pd SSR with reference to EUROCONTROL or ICAO PSR OR SSR probability of detec
33. NGS w gt pe PZ Ty 01001 ENJA Jan Mayen Observations at 12h00 01 Ock 2007 ik d E 06260 EHDE De Bilt Observations at 12h00 14 Sep 2012 My Recent 06260 EHDE De Bilt Observations at 12h00 24 Jan 2008 Documents 07180 LEON Nancy Essey Observations at 12h00 24 Jan 2008 E File name ACM parametersubset bl ox Save as hype All Files 5 Ww Figure 5 43 export RCM to DB El 01001 ENJA Jan Mayen Observations at 12h00 01 Oct 2007 Ei 06260 EHDE De Bilt Observations at 12h00 14 Sep 2012 06260 EHDE De Bilt Observations at 12h00 24 Jan 2008 07180 LFSN Nancy Essey Observations at 12h00 24 Jan 2008 Ei RCMparameterSubset Save as type All Files wi Figure 5 44 export filter to DB INTERSOFT Ez lL ELECTRONI Radar Comparator Mono User Manual 69 6 Statistics Open the tabular displays using the tool amp displays menu button in the main window All the statistics tables are handled in the same way data analyser TE filter plot info track info EJ XY display 5 accuracy display A coverage display E cell statistics display resolution display radar statistics track statistics Z false plot statistics TE resolution statistics EW export to SMS Figure 6 1 General utilities and display menu The user can adjust window sizes column widths number of rows and columns etc Should you make a right mouse click in the window one of the following menus will appear Al Sort Col
34. OFT Radar Comparator Mono User Manual SEI DOCUMENT APPROVAL The following table identifies all authorities who have successively approved the present issue of this document AUTHORITY NAME AND SIGNATURE DATE Ing J Janssens 18 06 13 Editors Dr A Pchelintsev 18 06 13 Ing B Sauviller M Martin Director Ing M Vanuytven Director Software Ir E Moons Department INTERSOFT Radar Comparator Mono User Manual 4 DOCUMENT CHANGE RECORD The following table records the complete history of the successive editions of the present document EDITION DATE 21 02 05 08 06 07 18 04 08 005 28 04 09 1 0 2 0 15 ho 29 10 09 007 02 12 10 008 19 Oct 12 18 Jun 13 010 02 Sep 13 SECTIONS REASON FOR CHANGE PAGES AFFECTED Updated to Radar Comparator Mono Basic glossary of terms added Further updates of user manual to RCM version 3 3 1 Table 6 1 is updated and a note 1s added Chapter 7 Tutorial is deleted The tutorial can be found in the separate RASS R demo DVD user manual Updated to RCM version 3 4 2 Sections In paragraph 4 1 1 the following parameters are added minimum speed tracker filter track confirmation advanced clutter processing process data in blocks resolution interval and association threshold are removed from the plot to track association parameter list False plot analysis is now described in paragraph 4 1 2 Units for table and info windows ca
35. ONIC S Radar Comparator Mono User Manual 77 7 Troubleshooting Q amp A A Problem When starting up the RCM it loads blank line as campaign folder gt Radar Comparator Mono V3 2 0 Unregi stered E E E Parameter Value radar active w B parameters Figure 7 1 No campaign loaded Reason by default the RCM reads the path to a campaign folder that is saved in the following registry key HKEY LOCAL MACHINE SOFTWARE Intersoft Electronics RASS Campaign Solution This registry key can be filled in by selecting existing or creating a new campaign in the RASS R toolbox or RCM B Problem I need assistance from Intersoft Electronics and want to upload a campaign folder to the IE ftp site ftp inventive engineering com Solution Upload the complete folder with the correct screening file and relief file in the GENERAL folder Make sure that the RCM setup file is in the campaign folder so that we can correctly load the campaign in the RCM See Chapter 2 RASS R toolbox Mention the following things by email e Software version of the RCM e Type of data e Ifyou have questions about a particular track report the A code or Mode S address C Problem The coverage display shows circular lines of equipotential flight level Reason It is possible that the screening file could not be found by the RCM or that the screening information is incorrect Solution make sure that the screening file is in the correct
36. OS CS A AAA A AAA A AAA A oda 48 Figure 5 13 Sounding information display st A AAA AA AA E 48 TITO AOS DO CO aA SOUND AAA ASA AA Ses eave 50 NEE SE E WIRES ONG EE 50 Ente SAA Va SOU EEN 50 Figure 5 19 An example of the sounding file saved AS fei 52 Figure 5 20 General utilities and display menu 53 EE Oe LG EEN 53 Figure 5 22 Right click menu in filter with right the Load and Save opttonsl 54 TOUTE Dee UC CLIN EE 57 NRO 242 NEP ENE EE 57 EE EE 57 Ponure SLO CFC CS PRA PP E E OE iO OO eno oneaseseciena ts 57 AAPP o PP No A 57 Figure 3 28 E RE 58 PO TOR CO IFC Ee 58 Figure 5 30 Right click in Info WINDOW ii 58 E EE 60 Figure 5 32 Right click in the track data table oooooooonnnnnnnnnnnnnnnonononnnnnnnnnnnnncnnnnnnnnnnnnonnnnnnnnannnnrnnnnnnnannnncnnnnnnnnns 60 TRA CISD A RU A 61 po EE 62 AAA e O REESEN ia 3 Figure 3 30 ET PEO N E N a En REEI Oiau Ar an ai 64 Figure 5 37 Tabular colours for coverage display oooooconncnnnnnnnnnnnnnconnnnnononnnnnnnnnnonnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnrnnnnnnnnnnnnoss 64 Figure 5 38 Cell based display INTERSOFT l ELECTRONICS Radar Comparator Mono User Manual 8 Figure 5 39 Resolution areas for SSR as defined in SUR ET1 STO1 1000 STD Ol OI 66 Figure 5 40 RA display for SSR areal green area2 yellow gregd izstedl 66 Figure 5 41 Resolution areas for PSR as defined in SUR ET1 STO3 1000 STD O1 O1 page Al 67 Figure 5 42 RA display for PSR areala green areal
37. PREF RC saved setup and filter preferences Figure 2 3 RC file structure The location of the GENERAL folder is stored in windows registry whenever a campaign is selected or created with the RASS R toolbox This must thus be done at least once INTERSOFT ELEC TRON I S Radar Comparator Mono User Manual 17 3 RCM basic operation 3 1 User interface When launching RCM from the Windows Start menu or the RASS R toolbox the following user interface will open toolbar Parameter parameters ErfB plot to track association N mini current campaign e E maximum speed m s E maximum acceleration m s 2 8BBadvanced process parameters and radar node bridge PSR SSR gap scan fe bridge MODE S gap scan Bi advanced dutter processing 50 53 21 9200 N 004 30 03 5900 E 79 80 4 61 pun reference type mono SSR BBB position type RHO THETA asad C code detection qe dri GE biases and accuracy Zi j 0 000 50 0 EJ azimuth accuracy deg on rad3 rlf End 120 0 rad3 hrscr pu D 25 120 00 0 25 60 00 pu j 10 0 45 0 j 1000 50000 Si data DATA RASDATA 030124_1100 E Asun rad3 080124_1100 54RD 1 GR barometric off Been 06260 EHDB De Bilt Observations at 12h00 24 Jan 2008 Figure 3 1 RCM user interface The RCM contains three main elements e The toolbar see section Toolbar for details e The current
38. T RESULTS Ly SCENARIO gt A VIDEO Figure 2 2 Campaign directory structure When you make a campaign folder with the RASS R toolbox it is preferred to make it on a separate drive than the drive where your operation system is on For example as in the figure above a structure named CAMPAIGN RASS R ts created on the D drive INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 16 2 LRCM Hle paths The Radar Comparator software was designed for the RASS S user society that commonly use RASS S CAMPAIGN structured folders These folders can be nested 1 e usually the root CAMPAIGN S6 folder contains a number of other campaigns Each CAMPAIGN subfolder is designed for a specific content so that the software will typically suggest the standard paths for example for the radar data recordings atmospheric soundings filters etc The radar recordings can be located anywhere within the current selected campaign for example MYCAMPAIGN Screening relief and sounding files must be located in fixed folders as illustrated in Figure 2 3 The mandatory GENERAL folder must be located at the same level as the MYCAMPAIGN folder CAMPAIGN 56 GENERAL RC Database with RCD results RCD DB1 DB3 RELIEF Relief files rt SCREENING Screening files scr hrscr MY CAMPAIGN DATA SOUNDINGS Barometric sounding files html txt RASDATA i Data in 54 format GA Results result of analysis in S4 format
39. To add a condition for a filter you can select fields given in Table 5 2 and use one of the vi Se Ki VW A il available conditions i The fields which you can filter on represent items in S4 files data originating from an original data type for example ASTERIX CAT001 048 For correct understanding of all fields use the different ICD s from the radar data protocols as well Table 5 2 Filter fields Filter on radar ID for RCD Ref is 0 and RUT is 1 PSR Refl Number of PSR reflections or hits used by the radars plot extractor segCC CA oo e OSO seg CD IAICB o OSO EXT OSO ARA Ss KA OSO Com FS ACAS OOO Coverage o o O gem 3 upon confirmation the entry will show Cubicle x 50 0 100 0 nm y 25 0 75 0 nm h o 500 FL a DoSpecl D6Spec2 Datalink Counters Datalink type FlightLevel FOM _ S Format Heading o 1048 2300 IDE ID S Iden La Long M Offset 3 3 3 33333 Overlap RDIF8 amp 9 Range RefCode Ref43till60____ Refcodel Refcode2 Reflector Run Length SAddress D6 Spec 1 D6 Spec 2 J Datalink Counters Datalink type Flight Level FOM Format Heading 1048 230 ID 1 ID 2 Index E Long MB1 7 Offset Overlap Power Reported Power SSR or PSR power depending on convert setup typically SSR power in case of a combined target report Flight level Figure Of Merit ADS B Communications ACAS Capability and Flight Status DO Latitude
40. arameters ER node ei ba parameters E biases and accuracy E NORTH bias deg range accuracy rm 2 gi azimuth accuracy deg Ff coverage e data et corrections Figure 4 9 Node accuracy NORTH bias deg 0 000 set here the magnetic inclination 1f radar 1s aligned with the magnetic north Required to correctly apply screening see coverage in next section range accuracy m m expected range accuracy of the radar one sigma Inactive when the source data is ADS B MLAT or MRT azimuth accuracy deg deg expected azimuth accuracy of the radar one sigma Inactive when the source data is ADS B MLAT or MRT XY accuracy m m expected range accuracy of the ADS B data one sigma Active when the source data is ADS B MLAT or MRT Sa INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 33 4 2 3 Coverage The RCM can use screening files and relief files created by the RASS R Coverage Map Calculator software rlf and hrscr Ie Radar Comparator Mono V4 0 0 setup D CAMPAIGN S6 NEW CAMPAIGN Parameter EE parameters ER node ae parameters D ES biases and accuracy ER coverage ES id relief file vad df y E maximum range nm 180 0 screening file rad4 scr E coverage resolution b teH FL resolution FL EHEICMV Ed range nm EJ PSR range nm H elevation deg E height ft EF CMV mask rfl data Fit corrections Figure 4 10 Node coverag
41. arator Mono V4 0 0 setup Ee D CAMPAIGN S6 NEW CAMPAIGN Parameter parameters ER plot to track association GMS FPA 2 GrESRASSR 1 EJE SSR modes i i BB interrogation PRF Hz EE 3dB SSR beamwidth deg Oi oi ED dRi dR2 nm i HERA PSR E pulse width 10 6s 2 3dB beamwidth deg EM statistics 3 E save processed files i am node Figure 4 6 RA parameters e RA SSR SSR resolution parameter group o SSR modes 2 number of SSR interrogation modes e g mode 3 A C It is assumed that 3 A and C code are interrogated equal times Should a MIP be set where this is not the case RA analysis should be run separately for the code detection statistics to be correct o Interrogation PRF Hz 240 Interrogation pulse repetition frequency o 3dB SSR beamwidth deg 2 4 nominal 3dB interrogation beamwidth o dR1 dR2 NM 0 05 2 00 minimum maximum range difference between 2 aircrafts defining borders of resolution zone 2 e RA PSR PSR resolution parameter group o Pulse width us 1 nominal compressed PSR pulse width o 3dB beamwidth deg 1 3 nominal 3dB beamwidth Whenever applicable different pulse lengths should be used for PSR resolution analysis short or long pulse operating area Above default values are typical combined sensor values they however are radar dependent and should be set according to real radar parameters and operational settings lt 2 INTERSOFT ELECTRONICS Radar Compa
42. can add any field available in the S4 or D6 data to the track data table By right clicking in the Track data table the following options are possible re SH zort Column K Copy to clipboard E Save setup el Add Field Delete Field Figure 5 32 Right click in the track data table Adding a field invokes the same table as in Table 5 3 Info window explanation INTERSOFT ELECTRONI C S Radar Comparator Mono User Manual 61 The XY display can display trajectories detections true misses false plots incorrect code reports maps relief airports and runways screening information expressed with equipotential FL lines cell based statistical results depending on the settings in coverage and out coverage plots tracks The display can be readjusted to fit the available viewable area and easily reconfigured to display required amount of the data The cursor will show the data items of the selected plot Moving the cursor in this display cross links the cursor with the accuracy display the track data table and the track statistics table d k 3 11 04 35 38 a es fi w 5 m H a K z K f pe wil 4 E EA Y A HI K d i fi Xx e A 4 o A A M 4 Figure 5 33 XY display Ga 3 i i Fs oS a ae e y INTERSOFT L INT a e y D EEE ET P wh e Radar Comparator Mono User Manual 62 Let s come back on the setup of the XY screen As explai
43. ction if they contain the true height INTERSOFT Radar Comparator Mono User Manual 50 When the sounding file is saved to the disc MYCAMPAIGN DATA SOUNDINGS the main window will be updated as given in Figure 5 16 7 3 Radar Comparator Mono V4 0 0 x D CAMPAIGN S6 DEMO Parameter B parameters ER plot to track association ERE FPA fa D I statistics i E save processed files off E S node rad3 active ER parameters fa EH biases and accuracy ER coverage Ee data EH corrections ERC barometric 06260 EHDE De Bilt Observations at 12h00 24 Jan 2008 Figure 5 16 Select a sounding file You may still want to download other soundings and select one of the files afterwards using sounding data selector E When pressing this the following file dialog showing the current content of the subfolder where the sounding files are stored will appear Look in Jj SOUNDINGS GZ Ey A D Name Date modified Type y 06260 EHDE De Bilt Observations at 12h00 2 1 15 2013 6 44 PM File Recent Places Desktop Libraries A A Computer II v Figure 5 17 Select sounding file When no file or an invalid sounding file is selected while running data analyser set to barometric error type and file as source the following dialog will appear Sounding file is invalid Figure 5 18 Invalid sounding file Test a file with data analyser before running the main proces
44. e The coverage subgroup contains the following parameters e relief file filename rlf file name for the corresponding relief file located under D CAMPAIGN S6 General RC relief see also Chapter 2 RASS R toolbox o maximum range nm nm is used for displaying purposes and tracker map cell count calculation See also 4 1 1 Plot to track association Target reports falling outside the tracker map limited by the maximum range will not be correlated The maximum range should be set the same as the maximum range of the relief file generated with the CMC if relief is to be displayed and scaled correctly in the coverage and X Y display The viewable area of the XY display is adjusted to this parameter A circle will be drawn in the XY display according to this maximum range e screening file filename hrscr file name for the corresponding screening file located under D CAMPAIGN S6 General RC screening see also Chapter 2 RASS R toolbox The screening info is used for the coverage bits calculation and coverage maps generation o coverage resolution 256 number of cells along X and Y axes for the tabular coverage visualization o FL resolution FL difference in FL between two consecutive FL coverage contours Only 10 contour lines will be displayed Currently only 1 azimuth resolution screening files are supported lt gt INTERSOFT ELECTRONICS Radar Comparator Mono e CMV User Manual 34 subgroup defini
45. e timestamp el E Ha barometric eN E source URL iil date 19 Aug 2010 14 43 43 279 ff weather station KOKSIJDE EBFN BX 57 0 km E GO timestamp AD timebase plot track El display type azimuth vs time Figure 5 5 Data Analyser Timestamp Analysis The timestamp analysis subgroup contains the following parameters e timebase north sector 0 plot track time reference e display type azimuth vs time error vs azimuth error vs time plot density vs time different displaying options for timestamp analysis Timestamp 1s an important parameter characterizing the overall accuracy of the radar Investigating the radar plot track message dynamics in time provides the powerful tool for the radar diagnostics and troubleshooting Radars may produce various messages non synchronous with the main stream messages for e g REM remote field monitors and synthetic targets these messages can be synchronous but delayed from the ATC traffic plot track data These non related to the traffic data must be filtered out for timestamp analysis Keeping them in the data set usually significantly affects the results Any other irrelevant timestamp messages containing timestamp equal to 0 or abnormally high values should also be filtered out The timestamp error is generally calculated as follows Using the north messages sector 0 messages or plot messages set by timebase for a number of scans are grouped to produce a linear regressio
46. e Annex 7 and Annex 8 PSR Reflections Number of PSR reflections or depend on the converter tool used SSR Reflections Number of SSR replies or depend on the converter tool used E Delta time Time The plot is in or out coverage with respect to the coverage file See Annex 7 and Annex 8 lL ELECTRONI aah H Elevation E velocity Heading E x 1 vi Trajectory ID GH Timestamp Target ID Gd Track Nr Ei Scan Nr Zi 1 Code Zi 2 Code ZE A Code H Altitude TOD E Range E Range CA Azimuth E Azimuth H SID 88 Power E Status E Velocity Heading Im PSR Refl e SSR Refl K s Address 2 MB1 E MBZ ie MES el pd ie MBS E MBA el MIB Gd seg CD AICB IS Com FS ACAS Zi seg CCICA Go E time Gd Overlap Gi Target Gen Gi TP nr EI Coverage Gd Reflector Ga Set Gd Index E Datalink Counters Me Status2 EE TargetIDh EE TargetIDl INTERSOFT Ez Radar Comparator Mono User Manual 60 5 5 Track Data Users may need to export a particular track to another program or document for reporting purposes The Track Data table see Figure 5 31 launched by selecting Track Info in the main menu lists the most significant parameters for all plots linked by the RCM to a selected track When scrolling in the track data table the plot number is cross linked with the XY display and the accuracy display i Track Data PERK J Timestamp E Trac
47. e error is the average height difference in m between the GPS height and barometric height The user always should inspect the sounding data integrity and consistency before applying the barometric correction Some sounding files contain height vs pressure data only up to a few km high probably due balloon damage In such cases it is advisable not to use the data for the correction Routinely there are two soundings a day in most European countries and USA taken at 00 00 and 12 00 However for some world locations the data were found to be available only once a week If sometimes for the selected station the data is unavailable another station in the neighbourhood might be used In general the pressure vs height distribution stays quite uniform for hundred kilometres areas except for abrupt weather changes 4 Even soundings obtained on the weekly basis might be useful to draw a conclusion about the errors that might exist if no barometric correction is applied In general there are always a number of recordings taken on the dates when the soundings data are available So that significant discrepancies might be discovered when performing the Radar Comparator Dual analysis with and without the barometric correction The user must realize that whenever the barometric correction is unavailable the results might be contaminated range bias and range gain with an errors of the similar magnitude ADS B data typically do not require the barometric corre
48. e error type barometric and specify the date and hour of the recording The hour is important because most Western countries make the soundings measurements twice a day The closest match in time will be selected The time of the sounding will be present in the downloaded filename Then select one of the stations proposed in the list weather station for example 06260 De Bilt EHDB 147 2 km The displayed distance 1s the distance from the radar position to the measurement station Press 62 6 to proceed The web browser window will appear see Figure 5 13 wait till the contents is retrieved from the web then press Save If there is no sounding available for the selected date time station or the data appear to be corrupted please close the window without saving the file and try again using other stations from the list as an alternative Whenever the sounding is stored the name will be automatically generated using your query station date and hour the display will popup and graphically display the obtained data gt INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 48 06260 EHDB De Bilt Observations at 12Z 19 Aug 2010 CD OO OO OO OO OO 8 NUON 0400 Ob A DD J Dm D OO o Dm Om Om om Dm Om JJ 0 mo 10 Oon UNUNG Figure 5 13 Sounding file browser When you press the Save button the data 1s automatically saved in the following path MYCAMPAIGN DATA SOUNDINGS for example e
49. errors It has been shown that in general two radars are necessary and sufficient for the absolute measurement of the systematic errors and the accuracy That is why the Radar Comparator Dual RCD takes data originated from two radars at a time Please refer to the RCD user manual Prior to radar analysis with the RCM and RCD the raw radar data might need to be pre processed in order to take into account the real distribution of the barometric pressure vs height as opposed to the ICAO 1964 Standard Atmosphere Applying the barometric correction to the height of an aircraft is beneficial for more accurate coordinate conversion and adequate radar coverage and therefore more accurate results The integrity of the data and timestamp problems need to be routinely checked this type of analysis is essential for radar measurements and diagnostics INTERSOFT ELECTRONI C S Radar Comparator Mono User Manual 13 1 2Benefits and possibilities of the system The following list outlines a number of benefits and possibilities of the system e Efficient and easy to use software tool for the radar sensor performance analysis e Transparent radar data processing versatile cross referencing between various displays and viewers e User friendly radar and evaluation setup configuration e S4 format is directly readable by RCM e Barometric correction of the target altitude based on the barometric sounding data e Message statistics and time
50. eseeeseneeees 45 5 2 2 Barometric error analysis and cortechon ne eeesceeeeeee ea eeeseeeeeeeeaaeeseeeeeeeeaaaaeseeeeeeeesaaaaeeeeeeeeas 47 S220 EE soundings EE 47 5 2 2 2 Sounding files from any internet browser occccccccncnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnononnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnons 51 A PPP ses ocossunsownes E E E E ses oun seueseuden sos susnousseaues seco seuesesoo sn oes 53 E E CI IGS PACO PO e TERA A tensa 55 A E 57 OT TINO UNI 58 Sr Ee erh E 60 SE CSR Session 61 O AM O o O A O ere eee ee rae ol SE E EE 63 O TE 64 DO AC UI PIN sao 65 D0 Keson on ANGIVSS Eege 66 5 7 EXPORT TO SMS SURVEILLANCE MONITORING SYSTEM 68 CAS CS AAA enn nn 69 A3 GENERAL OTA TIE E 70 Os TRACK STATISTIOS E E E rca 74 6 3 MULTIPLE FALSE TARGET REPORT STATISTICS ooooooooonocononononononononononononononononononononnnnnonononononononononononnncnnnnnnos 75 A RESOLUTION AES Ne 76 Te e IERT LEI WING WE 77 INTERSOFT Ez lL ELECTRONI Radar Comparator Mono User Manual 7 LIST OF FIGURES Figure DAL PAN Ie TOODO ai ee 14 Figure 2 2 Campaign directory StrUCHITE cocina 15 PO REE INC O E aceon oeetneoeel 16 Pare SAF RCM EE LP PUTED RS RIA MMMM o O o O EOS 19 Figure 3 3 Structure of new campaign created inside RCM ccccccccccccsssesesscccceecaeeseeccceeeaaaeeseeceeeeeaaaseseceeeesuaaaneeees 19 Figure 3 4 General utilities and display ment 20 EE E 22 BUS PE FAO E 22 Figure 4 3 RCM setup files inside OWN CAMP
51. get report with the cursor that report and all target reports linked to the same trajectory will be selected and thus change to the display settings linked to the selection settings click with right mouse button to change the display settings E rr OUUU D a d W o a A Kaf Pe d e ap dh neen T a d ef Ge ech fakr D dE RE E As del i by ver v i Range error m ao O po gt T NSA Ra e i S IEN gt A We E We SS fen is d th hee Zoch Azimuth Error deg Figure 5 35 Accuracy display INTERSOFT Radar Comparator Mono User Manual 64 5 6 3 Coverage display The coverage screening angles display shows the theoretical coverage diagram of the radar site expressed using equipotential FL lines these show the XY extent of the theoretical coverage for a specific flight level The actual coverage might differ from the theoretical due to the barometric height errors anomalous propagation etc Colour scales can be adjusted by changing the tabular colours The plots are displayed as in the original dataset 1 e before processing by the RCM and without CMV parameters applied but upon the filter conditions a Coverage E JE Y arpt WEVELGEM BE027 8 EBKT 1 Figure 5 36 Coverage display The figure above is based on the following tabular colours click right mouse button on screen to change these gt setup Coverage ES Parameter Value a display parameters E units nautical miles
52. identical to the corresponding true plot as defined by EUROCONTROL standard count of mismatched bits 0 except in cases when the codes of true and multiple false plot are allowed to have limited bit error typically 1 2 e C Code match on off typically false multiple plots have identical C code however in practice C code may be different To allow for the latter case the flag must be set to off e A Code valid on off typically false multiple plots are required to have validated A code however in practice the codes may be invalid To allow for the latter case the flag must be set to off e C Code valid on off typically false multiple plots are required to have validated A code however in practice the codes may be invalid To allow for the latter case the flag must be set to off Sl INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 26 Parameter is no longer used since RCMv4 0 0 NC plot types subgroup containing parameters for multiple false target report classification o split FPA subgroup for split target reports split dAz deg 0 05 3 00 minimum and maximum azimuth split dR nm 0 0625 0 2500 minimum and maximum range multipath FPA subgroup for multipath reports multipath dAzmax deg 0 05 maximum azimuth difference compared with the true target multipath dRmax nm 0 0625 maximum range difference compared with the true target sidelobe FPA subgroup for sidelobe mul
53. ion parameters for the DHM and further production of the data streams In the design of the Radar Comparator a number of general principles have been respected First we tried to keep everything as simple as possible so that it is really easy to use the tool and interpret the results Second the data processing has been made as transparent as possible facilitating to check what is going on behind the scenes and detect specific problems quickly The third rule was to process a necessary minimum of the data in this way it is physically possible to analyse the data with a common human being capacity and within a short period of time The fourth rule was to use clean data 1 e corrected for all known and measured significant systematic errors The fifth principle was to provide estimates for the accuracy tolerance on the measurement The ultimate goal of the analysis is to estimate radar performance according to the international standards The Radar Comparator has two main components the Radar Comparator Mono RCM and the Radar Comparator Dual RCD The Radar Comparator Mono RCM can be used in order to evaluate the probability of detection code probabilities false plot rate and accuracy random range and azimuth errors generating separate performance figures for PSR SSR and Mode S both plot and track data can be processed The Radar Comparator Dual RCD is primarily used for the measurement of the biases and accuracy or the random
54. is bin count 15 number of cells along X axis o Y axis bin count 15 number of cells along Y axis o minimum count of plots 20 minimum count of plots inside a cell to be used for the statistical result e units table amp info define appropriate units for tables and viewers o distance m nm km o angle rad deg o altitude m ft 100ft o velocity m s kn km h INTERSOFT ELECTRONI C S Radar Comparator Mono User Manual 30 4 15 Save processed files When ON the processed files are saved as a new S4RA file in the RESULTS folder inside the selected campaign s data folder See also 2 1 RCM File paths The file name will indicated time and day when the S4RA was made and with what software RCM or RCD Saved data can be viewed and further analysed in high detail with for example the RASS S Inventory tool see RASS S user manual volume 4 chapter III for further details The RCM will add misses to the result file as a new target report with the detection bits set to false Further will each target report which passed the filter saved into the new file with the following information added or updated e Rangeerror NM this field in S4 format is the same field as the latitude field Therefore if position type used in analysis is longitude latitude than the range error will be saved in the X field e Azimuth error deg this field in S4 format is the same field as the longitude field Therefore if position type
55. is used to produce the statistics based on the specified cell volume and configuration The available types of the display are XY range vs azimuth and vertical The statistics are produced separately for each plot track type for the selected parameter Pd range accuracy azimuth accuracy INTERSOFT lL ELECTRONI C S Radar Comparator Mono User Manual 21 e resolution display will provide a graphical representation slant range difference dR versus azimuth difference dAz of all observed resolution cases divided in 3 resolution areas as defined by EUROCONTROL standards SUR ETI1 STO1 1000 STD 01 01 and SUR ETI STO3 1000 STD 01 01 SSR resolution is displayed unless reference type parameter 1s set to PSR The following statistics tables are available e radar statistics is used to display overall statistics for the analysed data set e track statistics is used to present the statistical result for each trajectory e false plot statistics is used to present the false plot list e resolution statistics provides resolution detection statistics for 3 resolution areas Export to SMS allows a user to export the settings and filter to file formatted for import into a SMS system Most displays statistics tables and info windows are cross linked A selection in one window will thus guide the cursor in other windows to relevant information allowing swift yet detailed analysis INTERSOFT S ELECTRONI
56. k SE Scan a aes aa Altitude panse E Azimuth x Ee Type 11 00 04 156 11 00 08 773 11 00 13 398 11 00 18 015 11 00 22 632 11 00 27 257 11 00 31 875 11 00 36 492 11 00 41 109 11 00 45 726 11 00 50 335 11 00 04 983 11 00 09 608 11 00 14 250 11 00 18 890 11 00 23 483 11 00 28 140 11 00 32 750 11 00 37 358 11 00 41 968 11 00 46 593 11 00 51 233 OOO ro a G GA a D O a G O a E A a E A a e alal Alolol el all e Co co co m coo co co oc A OH 6615 6615 6615 6615 6615 6615 6615 6615 6615 6615 360 360 360 360 360 360 360 360 360 360 217 70 217 58 217 47 217 38 217 29 217 20 217 12 217 03 216 94 216 96 0 334 0 329 0 326 0 321 0 317 0 313 0 309 0 305 0 301 0 296 72 16 71 25 70 35 69 60 68 62 67 73 66 91 65 93 65 11 64 21 63 23 05 50 205 58 205 76 205 90 206 13 206 34 206 51 206 74 206 90 207 09 207 30 SSR Sep sep sep SSR sep sep sep sep sep sep o 1 2 3 4 5 6 H a a 1 S Figure 5 31 Track data table Labels shown in the Type column are PSR PSR detected SSR SSR detected all call roll call 3 A valid 3 A code C valid C code ADS B targets are displayed as roll call and CP In RCM version 3 4 2 and further on the user
57. lidity of 3 A and C codes is shown by an exclamation mark next to the code By selecting the Status fields the detailed status information becomes available al Into an Source sector Message 24 Jan 2006 Date Se G Timestamp 11 09 13 530 G Timestamp TOD 11 09 12 726 TOD 00 12 72p Feos Plot scan Nr 119 scan Nr Gi Track Nr o Ga Track Mr Trajectory ID 127 Trajectory ID E SH E Code FA present o Mid 5 Address SPI 330 TT Altitude He e 65 69 FA Range 65 69 o deo 4 940 i 4 940 63 20 63 20 14 64 14 64 Gah 923 4 n 923 4 ing 0 0314 0 0314 Ei Elevation 0 15104 H Elevation 0 15104 88 Power 0 0 S Power 0 0 ie Status COOFOFOC coorodoc ra Shatus2 90000000 SO000000 Figure 5 29 Plot to track info From RCM version 3 4 2 and further on the content of the Info window can be configured by the user By right clicking in the Info window the user can add or delete a field and save the setup Gt Track Mr 0 OORA Add Field HA Code E Delete Field a 5 Addre la Save Setup Tf Altitude 330 Figure 5 30 Right click in Info window INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 59 The following table further explains a few of the information fields which are available in the S4 er D data per ICD See reference 7 and 8 Values with an asterisk are calculated by the RCM Table 5 3 Info window explanation IO TOR Range T Delta azimuth Azimuth Status field Se
58. mparator Mono User Manual 25 4 1 2 False Plot Analysis FPA False Plot Analysis subgroup containing parameters for false target FT and multiple target MT classification In RCM only MT reports can be classified For FT classification synchronous FRUIT or Second Time Around STA a second source of data is required The corresponding fields are kept for the sake of generality Es Radar Comparator Mono V4 0 0 setup D CAMPAIGN S6 NEW CAMPAIGN Parameter Gi parameters a plot to track association EPS FPA E max NC length scan BLA Code mismatch bits 0 Code match o PEA Code valid 7 2 C Code valid i ENC plot types EBS split split dAz deg 0 05 3 00 E split dR nm 0 0625 0 2500 CE multipath 2h multipath dAzmax deg 0 05 2 multipath dEmax nm 0 0625 E sidelobe gt sidelobe dAz deg 3 00 10 00 KB backlobe dAz deg 177 0 180 0 EA side backlobe dR nm 1 00 1 00 E ringaround dRmax nm 1 00 oo Seni reflection reflection dAz deg E reflection dR nm EE fruit H fruit dRmin nm i G fruit STA dAzmax deg ER RA M statistics Bl save processed files El node Figure 4 5 FPA parameters e max NC length scan 5 short trajectories with the number of plots less or equal to this parameter are likely to be composed with false multiple detections and processed by the FPA algorithm e A Code mismatch bits 0 typically false multiple plots have A code
59. n be changed as in paragraph 4 1 3 Items can be added in the Info Window paragraph 5 4 Dynamically adding items in track data and false plot table as per paragraph 5 5 and 6 3 Table 6 1 Statistics explanation updated Updated to RCM version 3 5 0 All Paragraph 4 1 3 5 6 5 and 6 4 reg Resolution Analysis inserted Paragraph 5 7 Import Export added Note added D6 files can t be used Import not operational yet Q A added Pasting clipboard copy in Writer resolution analysis short long pulse logo updated Updated to RCM version 3 3 0 All Important note you cannot use setup files older than v 3 3 0 All print screens are updated to 3 3 0 and most of them based on the DEMO dataset Chapter 1 rewritten 1 3 and 1 4 removed Chapter 2 there is no path anymore to a gyro file because the gyro correction has been removed from the RCM Chapter 5 3 Filter examples added Chapter 7 more explanation about DEMO added New Chapter 8 Troubleshooting Q amp A Bookmarks added and converted to named destinations for compatibility with help files in SEAMP 1 1 3 Updated to RCM version 4 0 0 English Language corrections Page 4 shift to 4 5 P4 5 P19 P55 P59 P72 P4 80 shifted Whilst all care has been taken in preparing this document some parts of this manual might be outdated vs the latest software releases Those errors or omissions are INTERSOFT Radar Comparator Mono User Manual 5 unintentional If you
60. n be pasted to a document for reporting purposes E g Microsoft Excel notepad e Load o Filter loads the last stored filter from the setup file in 1ts own campaign folder the storage is locally accessible See Figure 4 3 o Global filter loads the last stored global filter from the setup file in the RCM installation folder the global filter storage is visible from any campaign o From file loads the filter from any other setup file any other location e Save o Filter saves the current filter to the setup file in current campaign folder the storage is locally accessible See Figure 4 3 o Global filter saves the current filter to the setup file in the RCM installation folder the global filter storage 1s visible from any campaign o To file select in which setup file to save the current filter any location This 1s useful 1f you want to use filters throughout different campaign folders as well A standard file dialog 1s invoked to specify filename and location A unit and or a group can contain a comment field making the filter configuring more user friendly If the filter content 1s changed after the processing has been done the processing button in the main window becomes active again and you can redo the plot to track association The filter dialog doesn t have to be open in order to be used when processing INTERSOFT S lL ELECTRONI Radar Comparator Mono User Manual 55 5 3 1 Hiterfields
61. n formula in order to measure the actual antenna rotation speed Using this value and the azimuth of the plot the true timestamp value can be obtained Difference between timestamp of the plot and the true timestamp is the time error Note this method has the following limitation 1t assumes that the antenna performs uniform rotary motion and the azimuth errors as for example eccentricity and or mechanical vibration are negligible In presence of the non uniform azimuth vs time dependencies the azimuth error may appear as the timestamp error The timestamp error may actually point out to the eccentricity problem but cannot be used to confirm the eccentricity To confirm the ACP eccentricity use RASS S gyroscope measurement INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 42 5 2 1 1 Data statistics Running the timestamp analysis also produces data message statistics see table Data statistics see Figure 5 6 It shows the message statistics and the timestamp statistics Only explicit filtering is applied for this operation value min Jan 24 2008 11 00 04 828 Jan 24 2008 12 00 00 108 11 00 03 000 11 59 59 000 1 0 0 25 0 00 1000 0 0 CH 0 00 0 00 000 00 00 0000 E 00 00 00 0000 N pe SE SS S 2 m ad ba ad a N Als d o o o o oO o o o0 oO o o SE elalele 28 North Average update rate s Plot track timestamp mean ms Plot track times
62. ned in 5 1 2 Advanced display configuration by right clicking in the XY display you can open the following setup dialog Sox Le setup XY Parameter Value i display parameters Ge E units nautical miles E B displayed data max range cirde airpor ts runways missed out coverage missed false multiple incorrect code SISISISISISISISIS plot track out coverage E non correlated coverage Tue BIBE plot track Figure 5 34 XY setup After the processing plots can have one of the following labels Missed out of coverage missed out of coverage calculated using the screening files and CMV parameters Since the misses are reconstructed plots and aren t present in the radar recording S4 D6 the info window will only show calculated quantities time Range Azimuth 3 A C code and or S address based on the established trajectory Missed out of coverage are not used to calculate the statistics if the coverage parameter 1s set to ON Missed out of coverage are used to calculate the statistics if the coverage parameter 1s set to OFF Missed missed in coverage calculated using the screening files and CMV parameters Since the misses are reconstructed plots and aren t present in the radar recording S4 D6 the info window will only show calculated quantities time Range Azimuth 3 A C code and or S address based on the established trajectory Missed in coverage a
63. ng which alerts you to the possibility of damage to you or your equipment INTERSOFT Radar Comparator Mono ACC ADS B R ASTERIX ATC CAT001 Y A y CAT002 CAT034 CAT048 COTS HM EDR EDR V2 Ethernet e S pu Kal LAN z Memory buffer Monopulse MSSR Z lt Path POEMS PSR Radar RASS R RASS S Record Resolution P Le User Manual 10 GLOSSARY OF TERMS Monoradar Data Target Reports from a Radar Surveillance System to an SDPS plots and tracks from PSRs SSRs MSSRs excluding Mode S and ground surveillance Monoradar Service Messages status North marker sector crossing messages Intersoft Electronics internal data format for record based data Also stands for Extended Data Recorder a device for generating and capturing serial data Second version of the EDR format A network specification developed by DEC Intel and Xerox which provides anywhere from 10 megabits to 1000 megabits per second transmission speeds Global Positioning System Intersoft Electronics Internet Protocol Local Area Network Megabytes of memory See buffer Radar receiving processing technique used to provide a precise bearing measurement Monopulse Secondary Surveillance Radar Nautical Mile unit of distance A path can be described as a file s address on your file system describing where the file lives An absolute path gives the complete path starting at
64. ng the coverage measurement volume that will be taken into account for the statistics analysis Plot track data outside the CMV area shall be displayed as plot track out coverage or missed out coverage in the XY display o range nm o PSR range nm o elevation deg o height ft o CMV mask 0 0 250 00 minimum and maximum range 0 0 60 00 minimum and maximum range for the PSR 10 0 45 0 minimum and maximum elevation 1000 50000 minimum and maximum height filename cgm file name for the corresponding Coverage Map Volume mask file located under D CAMPAIGN S6 General RC screening The CMV mask is a single continuous and closed polygon in CGM Computer Graphics Metafile format Each plot outside the polygon will be considered out of Coverage BEGPIC SCALEMODE ABSTRACT 1 0 COLEMOD BEGPICHB APPLD APPLD LINECOL LINEWID INTSTYL POLYGON 584 427 36 352 348 348 355 365 378 387 401 1059 1048 1038 1032 1026 1025 981 977 972 964 954 872 713 ENDPIC ENDMHF E INDEXED ODY ATA AREA AREAID 1 Coverage area ATA AREA ATTRIBUTES COVERAGE E 10 TH 18 E HOLLOW obl Fee Ia sa Jal 531 633 496 ala 7767 95 S ol 20 l 450 T4 ovo 065 ata y 341 53l Had 754 155 1619 67 1655 69 1667 06 1677 55 1690 9 1704 53 1
65. no 4 2Node The subgroup contains radar parameters User Manual 31 node name active is used to specify the name for the data source as well as 1ts current status The status of the node is always active in the RCM DACAMPAIGN S61NEW CAMPAIGN Parameter E O parameters ER node 5 H parameters latitude deg i longitude deg height m Or revolution period s S reference type mono _ MBE position type o h E height type Q timestamp type A mid night TOD correction i biases and accuracy a coverage ER data GI corrections radar active 51 00 00 0000 WN 002 00 00 0000 E 21 00 8 30 PSR RHO THETA C code detection on on Figure 4 8 Node parameters 4 2 1 Parameters The parameters subgroup contains the following settings e latitude deg 51 00 00 0000 N S Geodetic latitude of the radar e longitude deg 02 00 00 0000 E W Geodetic longitude of the radar e height m m the height of the centre of the radar antenna measured above WGS5S84 ellipsoid All the heights used are heights above WGS84 ellipsoid not WGS84 geoid e revolution period s s antenna revolution period in seconds For asynchronous reference type this parameter will define the update rate required to calculate Pd e reference type PSR SSR PSR SSR MODE S MODE S SSR PSR ADS B MLAT ASDE MRT set up according to the required reference type The selected data type will determine
66. old 50 i H bridge PSR 55R gap scan 5 bridge MODE S gap scan BB advanced clutter processing E El track map cell size m SERA EES RA af statistics fl save processed files W node Figure 4 4 Parameters plot to track association e minimum speed m s 10 Trajectories with lower speed are not initiated However once a track is confirmed the speed 1s allowed to drop below minimum e maximum speed m s 300 Maximum expected ground speed of the air traffic High values can increase the false plot to track association rate and are only useful in very specific cases e maximum acceleration m s 2 9 8 acceleration characterizes the expected manoeuvrability of the traffic May need to be adjusted in case of military traffic or unusual mode of flight e advanced o timing Load scan 0 85 for synchronous sensors such as radar a portion of the scan 1 e update rate fed through the plot to track correlation engine This parameter may never exceed scan to avoid that any track has more than update in one correlation step Most of the parameters in the tree are organized as follows Parameter Unit Default Value Value2 Value3 Default value is highlighted in bold INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 24 Drop scan 0 15 for synchronous sensors such as radar coastings are produced or track drops are performed after a number of update cycles plus the drop scan
67. ollowing dialog appears Sounding file is unusable OK Figure 7 6 Unusable sounding file Reason An erroneous barometric sounding file is loaded Solution select the correct barometric sounding file INTERSOFT ELECTRONI C S Radar Comparator Mono User Manual 79 OK Figure 7 7 Data set exceeds 3000000 plot tracks Solution RCM can process and display a maximum of 3 million target reports Processing will terminate without result when this maximum is exceeded Try to select a smaller file size a smaller group of files or limit the dataset by applying a filter I Problem when I paste a copy from the statistics tables in Open Office Writer only the heading is pasted Reason the copy to clipboard is a table copy Solution paste into an Open Office Calc spreadsheet and insert the spreadsheet into Writer J Problem When running data analyser in timestamp type following dialog opens ag sensor update 8 045 measured sensor update 11 84 8 04 1184 Figure 7 8 sensor update difference Reason The average rotation update time measured by the data analyser significantly differs from the revolution period set in the node parameters Solution Select what update period you want the data analyser to use for his time error computation In most cases the data analyser will correctly calculate the rotation time and it 1s probably the set revolution period that is wrong However when the used data
68. ot be empty Use the Home key to produce the same effect Use Arrows keys and gt to move the cursor along the selected plots trajectory cells etc e Rescale Graph use to bring the viewable extent of the display to the default value e Configure Display use to invoke the display configuration tool see next paragraph e Save use to save the current display settings scale and position for the future use This setup data is saved in the setup file in the RCM installation folder and not in the current campaign 5 12 Advanced display configuration The advanced configuration of a display is similar for all displays XY accuracy coverage cell RA display and the display for timestamp analysis and barometric correction By clicking Configure display in the popup menu of a display the following configuration window is opened plot track out non correlated coverage Figure 5 3 Display setup typical entries values gt gt INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 39 The display configuration tool typically contains the following entries e Units depends on the type of the screen different units for each physical quantity can be selected e g nautical miles meters kilometres or degrees radians etc e Displayed data s
69. racy m FF Random x error when evaluating ADS B source PYaccuracysm Random Y error when evaluating ADS B source ssRaveragegapsize faze Probability 2 gap Last Probability that a gap is larger than 2 misses es E E a the existing references 2 3 do not specify how to calculate the probability of detection for operation in mixed modes However it is extremely important to analyze overall performance of the radar independent of the interrogation type That is why the probability of detection for the SSR Mode S mixed mode was determined as follows N N Z SSR MODES Pd Tx N exp ected SSR V MODES 1 Where Na 1s the count of SSR detections Nyopesis the count of Mode S detections roll call or all call Nexpected SSR v MODES 18 the count of expected detections independent Mode S or SSR The partial probabilities for each mode are also evaluated N P S we E N exp ected SSR V MODES 2 D d N MODES MODES N exp ected SSR V MODES 3 Thus the partial probabilities of detection demonstrate only the ratio of Mode S capable transponders vs the total number of transponders at a given time period The overall Pd of PSR SSR is evaluated using a similar method INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 73 How to calculate the valid and incorrect A and C codes are explained in ICAO DOC 8071 vol 3 and EUROCONTROL standards see references on last page Unfortunately they
70. rator Mono User Manual 28 4 1 4 Statistics This subgroup contains parameters for statistical analysis Ie Radar Comparator Mono V4 0 0 setup DACAMPAIGN S6 NEW CAMPAIGN Parameter EE parameters ER plot to track association ESI FPA ERA Enf statistics o o E standard EUROCONTROL 3 E minimum track length mm ss vi 2 E C code incorrect threshold m i Di excessive acceleration m s 2 Se minimum Pd per trajectory 75 El minimum FOM ai plot extrapolation E extrapolate misses o i e Eletrapolation history length B cell statistics 2 El axes BB plot type Pb ES X axis bin count E Y axis bin count i H minimum count of plots Eli units table amp info fl save processed files e node Figure 4 7 Statistics parameters e standard EUROCONTROL Reference 3 ICAO PSR SSR ICAO PSR MSSR Ref 2 used standard the selected standard requirements are given as the 3 column in Statistics Table e minimum track length min 05 00 standard 5 minute filter Tracks shorter than this minimum track length will not be taken into account for the statistics however they can be displayed e C code incorrect threshold m 160 0 a parameter for incorrect C code calculation This number influences the number of valid and not correct C code in the statistics table See 6 1 General Statistics This parameter may be adjusted depending on the traffic type civil military and or sen
71. rcularly changed from 0 to 80 percent in 5 steps by pressing the F3 key Transparency of the setup window and data analyser window cannot be changed 5 1 Displays configuration 5 1 1 Basic display configuration The basic configuration of a display is the same for all displays X Y accuracy coverage cell display but also the display for timestamp analysis and barometric correction By right clicking in the display pane the following popup menu 1s evoked ala Cursor r S Info Tool d Drag Tool Center Cursor E Zoom Tool Rescale Graph H Zoom Tool Configure Display V Zoom Tool E Save Figure 5 2 Displays configuration popup menu Depending on the selection the following actions can be performed e Cursor use to change the type of the cursor o Info tool use to address the plot track coverage profiles etc information o Drag Tool use to pan the graph o Zoom Tool use to change the scale of the viewable area in the screen xy mode Zooming can be done by drawing a rectangular over the area of interest You can also use the scroll wheel of the mouse to zoom 1n out o H Zoom Tool use to change the scale of the viewable area in the screen x mode o V Zoom Tool use to change the scale of the viewable area in the screen y mode INTERSOFT TELECTRONI Ez Radar Comparator Mono User Manual 38 e Center Cursor use to bring the cursor to the centre of the viewable area of the graph attention the graph must n
72. re always used to calculate the statistics independent of the coverage flag setting False multiple False multiple plots are detections present in the radar recording S4 B6 and classified as false multiple based on the FPA False Plot Analysis parameters FPA results are given in the statistics table and false plot table Coverage 1s taken into account when computing the FPA result Incorrect code Incorrect 3 A and C codes are validated codes that do not match the current code expectations For C code correctness check the following parameter is used C code correct threshold Plot track out coverage radar detections out of coverage calculated using the screening files and CMV parameters Non correlated plots not associated with any trajectory Plot track radar detections linked to a trajectory The missed plots tracks shown in XY display are absolute misses Le no detection was present for any PSR SSR or MODES For the combined plots tracks the partial misses are not shown here but are used for calculation of the statistics gt INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 63 5 6 2 Accuracy display The accuracy random errors display graphically presents the calculated random range errors vs random azimuth errors The display has a cursor which is linked to the XY display plot info track info and track statistics table Use the cursor to query the specific error When selecting a tar
73. ry ID will be preserved up to the maximum number of consecutive missed updates A new trajectory ID will be generated when the specified maximum number of consecutive missed updates for PSR and or SSR plots is reached This parameter may be increased if number of consecutive misses 1s higher o bridge MODESS gap 30 a new trajectory ID will be produced and the current trajectory ID terminated when the specified number of consecutive misses for Mode S plots is reached Note excessive values may produce poor linking capability around the cone of silence please decrease this parameter in such cases o advanced clutter processing on off enables the advanced clutter rejection algorithm to be used in high clutter environments o track map cell size m 2500 The track map cell size helps the tracker to distinguish between possible plot to track matches based on a fixed count of cells 3 around a new plot The complete XY coverage extent of the sensor Rmax Rmax is divided into a number of square cells of the specified size NxN where N 2Rmax cell size The advanced clutter processing algorithm constraints opening new trajectories in the cells with a substantial amount of clutter The active tracks are maintained In other words for each new plot falling in a cell with indexes 1 J only tracks located in surrounding cells 1 3 j 3 will be considered as possible candidate matches INTERSOFT ELECTRONI C S Radar Co
74. s No warning message will be displayed at runtime should an invalid corrupt or even no sounding file been selected Bay INTERSOFT ELECTRONICS 51 LO LO PM Oh 00 MM DWM ear AFWoO WHO FLO DLO O ONLI AFP NOM OOH O A O 0 Mm SAF DD CO WO PF WMA LO WH SF CO MN CO LN FP LD Md RF NN OM Mt LON 0 NA Odd v NNN NNO O LL CO CO O OM LON FE CO CO MO SFLO PE BR NSN NSN ON st LO O OF CO 00 MHA 01M FE COON M rR O TS ON PE SF OLN O NWO NOM 0 MM 00 H LO LO AMO TFN A cd Aa v CO CO CO CO CO OO CO CO O 0O CC CC CC Can DW OOO O H A A A A A es es eG et HA ON ON OO ON LO LO LOCH CO FP PF CO CO O e A HAM lt lt LON LO LO OF OM O OCN Cd OO SF LON CO Pr Fr v Cd NNN Cd Cd ON ON NON ON ON ON ON ON ON NMA OM OM MN HON MM ON CO ONIN CO CO CO CO CO ON ON ON CO ON CO NON NNN OY SS st st st st st st st st st st st FLO LO LO LO LO LON LO LO LO LO THTV root OO MM O LO LOCH st OM OO O OWN A TO doo 0 di ON A ON Fei A CO MH CO WO CO O Md KM LL st CO EN 00 LO FP O CON MM O MM FR HALON CO st CJ amp v COChcChcChCncChcCdOOCd Cd CC st A DS st 1 MK COO MM st OH DS SLO OO OO 00 Dd A M FE CON OM Fr WO SF WON FF O LO ON O NOM COT MO LO LO MALO lt lt ON A A 4 st v EECH EA EA CC EA EA EE EA EA EA GA GA EA O 1714444 sss ON ON 00 MM LO LO LO O MN Pm CO 0 O 1 A MM lt LO LN LO OF OM CO ON N MN LO Or ON CO CO CO Cd OO CO CO CO CO CO CO CO CO CO ON CO CO CO NN ON CO NN NS CAN IN IN ON ON IN INN ON ON ON CN ON CO NN MN M
75. s was set to NM for range accuracy Std R and degrees for azimuth accuracy Std Az INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 75 6 3 Multple False target report statistics The RCM software performs plot to track correlation and as result misses are calculated along with a number of plots that could not be correlated with the existing tracks non correlated NC plots Non correlated plots are analysed for trajectories shorter than the maximum number of NC plots subgroup FPA see 4 1 2 The RCM processes NC plots and compares them with existing tracks using the range azimuth windows defined in FPA subgroup After comparison the target can be given one or multiple labels according to the FPA classification parameters as defined in the EUROCONTROL standards When scrolling in the multiple false target report statistics table the target ID 1s cross linked with the XY display Two lines per each multiple plot are present the first corresponding to the true plot and the second to the false multiple plot The false plots typically cannot be determined by mono radar evaluation software except for some cases of FRUIT Multiple False Target Report Statistics TOD Timestamp Scan Far 5 Address 4 Code Altitude Range dp Azimuth d4z q ee Type FR 11 05 13 453 11 05 14 312 67 0 60201 El EH 6 238 0 13 2 00 11 05 13 726 11 05 14 640 0 60201 3 i reflection 11 05 41 171 11 05 42 093 6020
76. set has large gaps or the timestamps in the data are inaccurate the measured update period might be off K Question I have a PSR with a short and long pulse and want to perform resolution analysis on both The RA parameters only allow a single pulse width Solution Run the RCM twice first time you fill in the PSR RA parameters for the short pulse and limit the range in the CMV parameter group to the range the short pulse is valid The RA statistics will thus be relevant to the short pulse The second time fill in the PSR RA parameters as applicable for long pulse and set the minimum range for CMV to the range were long pulse processing becomes active INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 80 REFERENCES Reference 1 2 3 Document RASS R User Manual Intersoft Electronics 2005 ICAO Document 8071 Volume II Manual on Testing of Radio Navigation Aids Testing of Surveillance Radar Systems EUROCONTROL Standard Document for Radar Surveillance in En Route Airspace and Major Terminal Areas SASS C Study on MURATREC Multi Radar Trajectory Reconstruction Toolbox Part Two Intersoft Electronics 2003 Radar Alignment and Accuracy Tool RASS R Radar Comparator Dual Intersoft Electronics 2009 published at ATCA 2009 see website User manual of the Radar Comparator Dual IE UM 00028 xxx RCD pdf S4 ICD IE DD 00273 002 ICD S4 pdf D6 ICD IE DD 00272 001 ICD D6 pdf E UM 00423 007 SMS SEAMP pdf
77. sor update rate e excessive acceleration m s 5 acceleration threshold for target classification accelerating faster than the specified threshold see 6 1 General Statistics e minimum Pd per trajectory 90 0 minimum Pd parameter for counting tracks with a Pd lower than the specified threshold see 6 1 General Statistics e minimum FOM 5 minimum FOM threshold for counting ADS B plots with a FOM greater than the specified threshold see 6 1 General Statistics INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 29 e plot extrapolation extrapolation subgroup o extrapolate misses 0 number of plots to extrapolate at the beginning and the end of the trajectory can be used for late in coverage detection and early in coverage misses o extrapolation history length 3 number of plots at the extremity of a trajectory used to predict target speed and heading used for plot extrapolation e cell statistics cell statistics subgroup configuring the cell display O axes XY range vs azimuth vertical select axes for the cell statistics display o plot type Pd PSR Pd SSR Pd MODES range accuracy azimuth accuracy quantity displayed in the cell display If you change the plot type from Pd to accuracy m or deg you should adjust the display colours to the desired range for example Pd 95 100 range or azimuth accuracy 30 0 where o is the expected error in terms of the standard deviation o X ax
78. stamp statistics e Extended plot track and trajectory info reporting e Versatile universal filter INTERSOFT ELECTRONI C S Radar Comparator Mono User Manual 14 The RASS R toolbox is installed on your pc and has a shortcut on the desktop It can also be accessed using the Windows Start menu The toolbox is displayed in Figure 2 1 The current version of the RASS R toolbox is displayed in the right upper corner The RCM is part of this RASS R toolbox and can be opened using the corresponding button Fl RASS R SEES Current Configuration DEMO CAMPAIGN RASS R Ae Data Handling ut Radar Display TMD 3 Display Figure 2 1 RASS R toolbox The RASS R menu bar contains the following pushbuttons Table 2 1 RASS R toolbar Help window information whenever you point over a button H Campaign change Or to select a default campaign for the REM when starting up If you press the button the software will query a location to select an existing or to create a new RASS R campaign folder The measurement campaign directory structure is given in Figure 2 2 Radar Comparator Mono User Manual 15 da DATAPARTI D a CAMPAIGN S6 a CAMPAIGN RASS R gt MSSR a DATA dy DCH Ly FILTERS Lo GPS Li MAPs Ji RASDATA RAW RDR Lo SITES Ly SOUNDINGS TEMPLATES d Tr Ly EXPORTS Ly INTERROGATIONS Ly LINKED_DATA gt A7 NETWORK gt PREFS gt y PSR Ji re Ly RECORDINGS Ly REPOR
79. tamp stdev ms Sector timestamp mean ms Sector timestamp stdev ms o0o0o0o0o0o0o0o0o0o0000 Figure 5 6 Data statistics gt INTERSOFT ELECTRONIC S Radar Comparator Mono User Manual 43 5 2 1 2 Timestamp analysis displaying optons In order to compute timestamp statistics select the error type timestamp and specify the desired graph type The graph type control provides a number of possible display types azimuth vs time error vs time error vs azimuth plot density vs time Parameter Value HRS error type timestamp Er barometric l pee E source URL 19 Aug 2010 14 43 43 29 SI weather station KOKSIJDE EBFN BX 57 0 km E GA timestamp Si G timebase plot track error vs azimuth error vs time plot density vs time Figure 5 7 Display type The plot density vs time 1s particularly useful to detect scan based misses Scan based misses are very dangerous because their effect in Pd figures are usually limited but 1f some targets may be missed for a number of scans this must be reported and investigated since it increases the and not filtered out To measure the specified type of error press 6 Azimuth deg blue l l l l l l 11 10 00 0 11 20 00 0 11 30 00 0 11 40 00 0 11 50 00 0 11 50 55 TIME h m s Figure 5 8 Timestamp display Azimuth vs Timestamp possibility of an accident Plot and sector messages are shown in the graphs if they are present cursor information
80. the root directory or the very top of the file system A relative path looks for a file from the directory you are currently in down Pre Operational European Mode S Capability of a sensor system to distinguish two aircrafts in close proximity and to produce target reports for both Y a INTERSOFT IE CECTROMIC S Radar Comparator Mono User Manual 11 RF Radio Frequency System Area Code System Identification Code S RF LS Side Lobe Suppression a technique to avoid eliciting transponder replies in response to interrogations transmitted via antenna sidelobes MD Secondary Surveillance Radar Transmission Control Protocol Technical Maintenance Display Transponder Airborne unit of the SSR system detects an interrogator s transmission and responds with a coded reply stating either the aircraft s identity or its flight level User Application Profile used in ASTERIX data for assigning Data Items to Data Fields User Datagram Protocol A connectionless unreliable Internet protocol Coordinated Universal Time INTERSOFT Radar Comparator Mono User Manual 12 1 Introduction 1 1RCM asa partof RASS R The Radar Comparator 1s a powerful radar evaluation tool Within RASS R the Radar Comparator can process data delivered by the DHM in order to generate performance figures for radar according to the international standards On the other hand the Radar Comparator may produce important correct
81. the used mathematical model and set of statistics that will be computed see 6 1 General Statistics d EUROCONTROL or ICAO standards have been applied In case no standard method is available e g ADS B probability of detection methods according ICAO recommendation and guidance material are implemented lt gt INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 32 position type RHO THETA XY radar plane XY Cartesian LONG LAT set to the corresponding coordinate type applied by the sensor The radar plane stays for the azimuthal projection XY Cartesian is the orthogonal projection to the local horizontal plane o height convert C code 3D Height this setting becomes only active when the position type is LONG LAT Then if available C code or 3D Height field can be used for conversion LONG LAT Height to RHO THETA Height or X Y Z Height height type C code 3D Height is selectable according to the available height data For ADS B reference geometric height will be used when 3D height is selected timestamp type recording detection is selectable according to the available timestamp data time of detection should be used whenever available midnight TOD correction off on must be set on if the data recording is taken over midnight and time of detection is used 4 2 2 biasesand accuracy The accuracy subgroup contains the following parameters D CAMPAIGN S6 NEW CAMPAIGN Parameter O p
82. tion overall performance Detection probability SSR V PSR indicator See Note Detection probability MODES NN 97 00 Pd Mode S with reference to EUROCONTROL or ICAO Detection probability MODES V Mode S OR SSR OR PSR probability of detection overall SSR V PSR 97 00 performance indicator See Note False Plot Analysis FPA a max NC length scan Kc Set parameter see 4 1 2 False PSR o Lo 20 p scan Average PSR false plot rate per scan Total of all multiple SSR target reports Because classes partially Multiple SSR target reports 0 008 0 30 overlap might the total not equal the sum of below 3 subgroups 0 002 0 20 Multipaths and reflections 0 005 0 10 Sidelobe backlobe and ringaround detections 0002 0 10 INTERSOFT ELE CET PRO MI E S Radar Comparator Mono User Manual 72 Accuracy Analysis O A SSR range accuracy m 11 830 e jute Compared against the selected standard in the Statistics SSR azimuth accuracy deg 0 033 033 un Compared against the selected standard in the Statistics 08 SSR ratio of jumps gt 1deg or gt 700m 0 erger PSR range accuracy m Pt ES Gompa against the selected standard in the Statistics PSR azimuth accuracy deg O NS ca Compared against the selected standard in the Statistics MODES range accuracy m ws Compared against the selected standard in the Statistics MODES azimuth accuracy deg 0 068 Compared against the selected standard in the Statistics X accu
83. tiple target reports sidelobe dAz deg 3 0 10 0 minimum and maximum azimuth difference compared with the true target backlobe dAz deg 177 0 180 0 minimum and maximum azimuth difference compared with the true target side backlobe dR nm 0 00 1 00 minimum and maximum range difference compared with the true target ringaround dRmax nm 1 00 maximum range difference compared with the true target ringaround plot count 1 minimum number of sidelobe artefacts required for ringaround classification reflection FPA subgroup for reflection target reports reflection dAz deg 5 00 10 00 minimum and maximum azimuth difference compared with the true target reflection dR nm 0 0625 20 0000 minimum and maximum range difference compared with the true target fruit FPA subgroup for FRUIT target reports fruit dRmin nm 0 50 minimum range difference compared with the true target STA dRmax nm 10 0 maximum range difference compared with the true target for Second Time Around classification Fruit STA dAzmax deg 1 00 maximum azimuth difference compared with the true target INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 27 4 1 3 Resolution Analysis RA Resolution Analysis subgroup containing parameters for resolution analysis as they are defined by EUROCONTROL standards SUR ET1 ST01 1000 STD 01 01 page 28 32 and SUR ET1 ST03 1000 STD 01 01 page 39 40 Ie Radar Comp
84. ubgroup o Graph series changes colour and symbol for all the displayed series Some series can be presented in multicolour to do this there 1s a button next to the series name which makes this option active When the multicolour presentation is enabled the colour of the series is ignored o Selection changes colour and style of the selected series o Show scales shows the scales of the graph hide the scales to increase the viewable area of the graph o Show relief shows the relief in one layer of the graph o Show tabular shows the tabular or cell based information as the second layer of the graph o Full screen hides the title bar of the window and resize the viewable area of the display to the screen size e Colours subgroup o Graph colours changes colour of the elements in the graph background frame scale etc o Relief colours the colours and heights correspond to the MSL values expressed in meters and the corresponding colour presentation in the display when the relief data are available and the display is shown o Tabular colours Cell Colours correspond to the Probability of Detection range accuracy or azimuth accuracy depending on the mode of the cell statistic parameter configuration main window It may also represent other quantities for example in the coverage display it represents the FL coverage extent o Interpolate colours is related to the tabular cell based colours mixing layer o Transparency 1
85. umn Copy to dipboad Copy to dipboard Ill Save setup Ill Save setup The popup menu entries have the following meaning and functionality e Sort Column used to sort the table according to the contents of the selected column e Copy to clipboard used to copy the table data to the clipboard From here it can be pasted into for example a spreadsheet e g Microsoft Excel e Save setup used to save the layout of the statistics table The typical outlook of the tables radar statistics track statistics and false plot statistics are given below in Figure 6 2 through Figure 6 7 In plot or track based tables statistics track data and false plot statistics a selected row is linked to the XY display allowing visual inspection of the corresponding plot track For user convenience false plot statistics table contains pairs of plots true false improving the visibility and user friendliness INTERSOFT lL ELECTRONI C S Radar Comparator Mono User Manual 70 6 1General Statistics e rad3 Selected standard Number of chains with Pd lt Pdmin SS Number ofdetectons witha gt amax mm Valid Arcade emp vadede 060 ess ts probabilty of association 85 54 95 mses ee o mses ooo a S o Wei Are a o Missed MODES ni o Missed MODES 8 5SR hrern o o Detection probablity PSR aam 80 0 Detection probabity ze aam zm Detection probablity SSR VPSR o o o Detection probabiity MODES mm Detection probabiity MODES V SSR ves
86. ure 5 40 RA display for SSR areal green area2 yellow area3 red The RA display and statistics will represent the SSR resolution unless the reference type parameter see 4 2 1 1s set to PSR INTERSOFT TELECTRONI Ez Radar Comparator Mono User Manual 67 For a PSR following 3 resolution areas apply Ap NM 3 tAr 3 ELITE t O 0b 1 5 0b 3 0b Ad Deg Figure 5 41 Resolution areas for PSR as defined in SUR ET1 STO3 1000 STD 01 01 page A 22 2 Resolution Analysis 300 280 260 240 220 200 180 160 5 140 120 100 80 60 40 0 5 1 1 5 2 Se 3 3 5 3 9 d s deg Figure 5 42 RA display for PSR areala green areal yellow area2 red IEEE EST ROM E S Radar Comparator Mono User Manual 68 5 7 Export to SMS Surveillance Monitoring System The Export to SMS feature is relevant only when RCM and RCD are used m combination with the automated Surveillance Monitoring System SMS When selecting Export from the main menu a subset of the parameters and active filter will be exported to extension less files formatted to compatibility with the SMS database First you will be asked to save the RCM parameter subset see Figure 5 43 export RCM to DB Type in a file name and press OK Next you will be asked to save the active filter give it a name and press OK To import these files in a SMS we refer to 9 SEAMP user manual export RCM to DB Save in C SOUNDI
87. ured as a group of conditions The relation between these conditions are determined by the Boolean operator of the group D for AND and for OR A group can again contain other groups determining an AND OR relation for its own conditions AND OR operator type can be toggled using the popup menu INTERSOFT ELECTRONICS Radar Comparator Mono User Manual 54 The filter window doesn t contain controls filter editing storage and loading are performed by using the corresponding popup menus Right mouse click to popup the menu which contains the following items SES SR a Pl Toggle AND OR condition OR Copy T Fy Paste B Copy to clipboard ES filter E filter Load global filter global filter E Save b E from file ro file Figure 5 22 Right click menu in filter with right the Load and Save options e Add o Unit adds a new filter unit to the tree o Group adds a new AND OR group inside the main group of the selected unit o Condition adds a condition to the selected group e Delete deletes selected content condition group or unit The removal of the selected content can also be produced by pressing the Delete key e Toggle AND OR toggles the current group operator between AND and OR e Copy copies an existing unit group condition selected by the cursor e Paste pastes the copied unit group condition at the specified location e Copy to clipboard it makes a spreadsheet copy of the parameters that ca
88. used in analysis is longitude latitude than the range error will be saved in the Y field e Altitude ft this field will be the original altitude unless barometric correction was set ON A missed target will have an interpolated altitude In the inventory plot info window this field is called SSR Height e Target ID The trajectory number RCM tracking number is saved in this field Non correlated plots get target IDs of 0 or 1 e Velocity Nm h The velocity calculated by RCM is saved in this field e Heading deg The heading calculated by RCM is saved in this field e Scan number Scan number will be recalculated in case multiple S4 files were selected see 4 2 4 e Miss RCM will add miss reports with 1 e the extrapolated expected position and time to the result file e False plot bit This bit is used for internal RCM processing and displaying This bit DOES NOT indicate false plots Non correlated plots can be identified by means of the Target ID e Coverage bit Set to true 1 if in coverage In the inventory target info window this bit is called Manual designated flag For filtering in inventory one can however just filter on coverage bit e A code swap bit Set true if an A code swap event was detected by RCM e Correct A code bit Set true if RCM validated the A code as correct e Correct C code bit Set true if RCM validated the C code as correct INTERSOFT ELECTRONI C S Radar Comparator Mo
89. xit Radar Comparator As explained above the RCM starts up with the last used campaign by the RCM RCD or RASS R toolbox How to select a campaign If you want to select another campaign or create a new one press the button The select campaign dialog will appear Browse to the correct campaign folder open it and then press to select the campaign INTERSOFT ELECTRONICS Radar Comparator Mono I e y Recent Places Desktop Libraries A E Save as type User Manual Ji DEMO Name Le MJSSR Li DATA Li EXPORTS Ly INTERROGATIONS A UNKED DATA Li NETWORK Lo PREFS Li PSR di RC Lo RECORDINGS Ji REPORT Lo RESULTS de SCENARIO 4 File name O rea Date modified 6 5 2013 4 54 PM 6 5 2013 4 54 PM 6 5 2013 11 19 AM 6 5 2013 11 19 AM 6 5 2013 11 19 AM 6 5 2013 4 54 PM 6 5 2013 4 54 PM 6 5 2013 4 54 PM 6 5 2013 11 19 AM 6 5 2013 11 19 AM 6 5 2013 11 19 AM 6 5 2013 4 54 PM 6 5 2013 11 19 AM vv All Files CC gt Figure 3 2 Select campaign dialog How to create a new campaign If you want to create a new campaign inside the RCM software make a new folder by clicking You give a name to the folder for example NEW CAMPAIGN go inside this folder and then press the button Alternatively type the new name directly in the current campaign field for example D CAMPAIGN S6 NEW CAMPAIGN 19 Type File folder File folder File folder File folder
90. yellow greg sstredl 67 Figure 5 43 export RCM to D 68 Fene CERDO fae ET TO ias 68 Figure 6 1 General utilities and display menu 69 EN 70 E TAC SAUS OS TADO ias 74 Figure Oa False E 73 Figure 6 5 Right click in the False plot statistics foable 73 EE Ee 76 TONTO 73 ES PESO OSOS AAA AENA ARA AEREA AAA Na 76 UNT ALS NO CAMPAL E ias 77 CUTE 2 DAS CELO Sas 78 Figure 7 3 Dala ana Ser error IAE AAA sd 78 Figure 7 4 No barometric sounding file selected ia aia oid aik 78 Figure 7 5 Selection of the proper barometric sounding Die 78 E RE 78 Figur 7 15 Data set exceeds 3000000 POW WGK S iia 79 Figure 70 sensor UPDATE ATEN AA A 79 LIST OF TABLES Table 2 RASS R TODO a a RA ais io doo 14 Table 3 17 TO0DAV VET di ita coda 18 Table 5 1 Data Analyser window Control buttons eee e eee ee esses eeeeeeeee cece ceca aa AAA eee EeEEEEEE eee EE eee ea aaaa aaa aaae 40 Table 2 UE EE 55 Table 33 INTO WINDOW EXPLORA ic 59 Tabie OSE SaS S eP anO as Eesen 71 INTERSOFT lL ELECTRONI C S Radar Comparator Mono User Manual 9 CONVENTIONS USED IN THIS MANUAL The following conventions are used in this manual Note This icon to the left of bold italicized text denotes a note which alerts you to important information Caution This icon to the left of bold italicized text denotes a caution which alerts you to the possibility of data loss or a system crash 6 Warning This icon to the left of bold italicized text denotes a warni

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