User`s Manual - Radar Systems, Inc.
Contents
1. 6 Enter 5 and 6 COM Ports as Inbound COM Port and Outbound COM Port respectively In order to avoid selecting Bluetooth GPS receiver for every probing remove the check mark from Display the device selection screen 15 7 Bluetooth Settings 25 58 ok Bluetooth General Current profile Default ON Bluetooth status Bluetooth is ON Use the Bluetooth Manager to set connections ES 7 Bluetooth Settings amp 6 05 ok Bluetooth Services Service settima Authorization required Authentication Passkey required i Accessibility Services About 0 Bluetooth Settings amp 6 05 ok Bluetooth Serial Port settings Ports Inbound COM Port Outbound COM Port Default device for outgoing 8 Press OK onnactionsimbteieen BImSPS Q Press OK Display the device selection screen the next time an outgoing serial 10 Press Close connection is attempted RADA Systems Inc 16 6 Program Startup In order to start the program it is necessary to enter Programs of your PDA and select PrismMobile Or enter folder Program Files after starting File Explorer and then enter folder PrismMobile and select eX PrismMobile l zi Programs en 4 19 gt File Explorer Pa q 4 33 X xd a B PrismMobile Name i ad amp 514c36bf c13e 9 1 07 262B Internet Internet Messaging Explorer Sharing DAT_0001 9 1 07 677K DAT_0002 9 5 07 75 0K da 7 DAT_0003 9 52. RADA Systems Inc 18 Pa 4 45 ok ni 57 12 58 V Medium Dry sand 5 w E 6 82 Samples 12 Stacking Channel Channel2 w Show General Antenna Gain Positioning FLL a ell Close EEE Fig 7 3 Georadar settings window All kinds of settings are divided into several groups and every group is located on a certain setup page which has a respective tab on the tab ruler To browse the tabs that are not displayed on the screen use the arrows 4 gt located in the bottom right part of the screen Setting groups are divided as follows IMPORTANT Different versions of georadars have different amounts of settings The program automatically recognizes which georadar is connected and makes available settings that are required for a connected georadar Here and further we refer to the Zond 12e Advanced version of the georadar The differences from other versions are not major and have fewer parameters to be set 1 General main georadar settings see Fig 7 3 e Medium here you install the medium you plan to probe Choose the medium from the list available that is closest to the medium you are dealing with Permittivity is shown for each medium Adjusted permittivity E which is used for calculations of depth is indicated to the right of the medium dropdown window see chapter 9 on adjusting of permittivity e Samples a number of samples in a trace In the current version the number i
3. setup of the georadar IP address When you press the Apply button the program will try to connect using entered IP address If the connection is successful the entered IP address will be stored P d 4 46 ok 1 address oz 16 0 10 l aee aee wr TAD Close Fig 7 14 WiFi setup window In order to exit from the georadar settings window press Close or OK At that all selected settings will be saved for further use Note the program saves all georadar settings in special files a separate settings file is created for each georadar version All parameters for all types of antennas are saved If you made some modifications to the parameters then parameters get saved on exit from setup When the program is started next time last parameters will be used If any settings file is corrupted the program automatically loads default settings for the current georadar version RADA Systems Inc R4 26 Here are examples of successful and unsuccessful setup and commentaries Fig 7 15 Example of a good setup Fig 7 16 Low frequency interference is present It is Fig 7 17 Too large pulse delay of the transmitter necessary to turn on High Pass Filter Pulse Delay needs to be adjusted RADA Systems Inc 8 Radar Probing After you have set up the georadar you can start probing Using the function SETUP Files Data Folder you can choose a folder in which you will store files received while doi
4. Operate a georadar means to know how to work competently with the software whose description you are reading right now The software package PrismMobile is intended for a palmtop computer personal digital assistant PDA guided by the operating system Windows Mobile 6 or newer versions and functioning as part of the georadar Zond 12e Advanced Zonde 12e WiFi Upgrade Kit or Python3 IMPORTANT To interface with the aforesaid devices PDA must be equipped with the wireless system WIFI The tasks of the package are as follows 1 Control of all georadar modes and adjustment to specific working conditions 2 Receiving of digital data from a georadar during radar probing and recording thereof in the form of files onto any data carriers that are PDA compatible The software package is designed in the format of the so called integrated user environment 1 e a user starts one program PrismMobile and deals with this program only All other auxiliary programs start automatically depending on user s actions RADA Systems Inc 2 Brief Information on Georadar Here is a very simplified georadar structure scheme which gives a general idea about how the georadar works GPS 3 Blu tooth Synchronizer Antenna Antenna Surface Fig 2 1 Simplified georadar structure scheme R4 RADA Systems Inc The antenna is excited by transmitter with very short electrical impulses A
5. documentation of the GPS receiver o Logging additional recording of coordinates not only in the profile but also in a separate text file All coordinates received from the GPS receiver are recorded in compliance with the NMEA format as a GGA record If logging is activated it is also recommended to select a folder where these text files will be stored To select a folder click button L and then click on Browse Folder in the opened window where a file structure is represented as a tree choose a necessary folder and press Select otherwise press Cancel All external removable data storage devices such as SD Card CompactFlash etc are indicated by a following icon t RADA Systems Inc 23 24 72 Browse Folder Pa 4 46 lok _J DeviceApplicationi Setup Assistant _J DigAssistCab _J DDex1 J DDEX3 O DDex2 J Mosquito _J ImageEditor _J Donuts2 PrismMobile _J gpssample _J SDCardRW _J Spb Screenshot Application Data _J ConnMgr Cancel Select Fig 7 11 Folder search window 5 Files choice of a folder for profiles saving data files and files name mask editing Program automatically shows the current file name for a next saved profile which is build on the base of entered file mask If sometimes you do not want to save received profiles to the files i e receive data only for displaying on the screen in the real time mode remove switch off the check mark from the setti
6. especially when small depths are measured which are comparable to the distance between the antennas The Moveout correction function which includes digital processing of signals 1s used to eliminate such an error This function recalculates the depth in such a way as if emission of a signal and signal receiving are done from one point located between the antennas Zero depth point and dielectric permittivity must be defined correctly before performance of this procedure RADA Systems Inc R4 29 Click on any point of the profile and in the bottom part of the profile you will see the exact recalculated depth of the point you have chosen amp PrismMobile 1 059 4 10 16 ok Kili 73 12 73 V DAT_0005 SGY Position 10 00 m Start Stop Mark Exit SETUP Fig 9 1 Determining precise depth of the point target Correction of medium permittivity It is known that when a profile crosses some diffracting objects such as pipes cables stones archaeological objects and zones where ground characteristics change sharply signals from these objects on a radar profile have the shape of a hyperbolic curve Examples of such signals are shown on Fig 4 2 4 3 and 9 3 If you double click on the profile the screen shows a hyperbolic line from a theoretical local target in a theoretically homogeneous medium and in the bottom part of the profile you will see the value of the permittivity Your task is to align the t
7. Device Fig 5 1 Explorer for PDA file structure RADA Systems Inc R4 2 Open one more explorer on your PC and depending on where PrismMobile cab is located either on the CD supplied with the software package or downloaded from the site www radsys lv section Downloads choose a respective folder and open it After that copy PrismMobile cab to your PDA To do that you either drag PrismMobile cab from PC Explorer to PDA Explorer or right click on PrismMobile cab select Copy from the dropdown menu and right click on any empty white space of PDA Explorer and select Paste from the dropdown menu IMPORTANT The root folder of PDA which appears when File Explorer opens is the folder My Documents If you copy PrismMobile cab to other than root folder you should remember where it is located on PDA 3 Start File Explorer of PDA To do that Start press the Start button select File Explorer saturday September 01 2007 or Programs and select File Explorer from the opened window Wi Fi Available iPAQ Wireless 8 i 80 14MB 3 70GB Calendar Contacts 4 Go to My Documents folder or if you have a 9 lt 5 06 X copied PrismMobile cab to another folder My Documents Name Ie e go to that folder Ud My Music Ud My Pictures Ud My Ringtones Ud Personal Ud Setup Assistant RADA Systems Inc 5 Click on PrismMobile cab to start installation If it 1s a repeated install
8. a combination of methods Switching off the methods of positioning represented on the screen is the same as Manual positioning 1 e traces will be added to the profile subsequently one after another in accordance with the chosen Stacking and without reference to the distance covered You need to mark with a check mark the method of positioning that you have selected If the method has additional settings they are activated only after the method is turned on P d 4 45 ok Kili 57 12 58 V Wheel Step cm _ GPsID Bluetooth Outbond COM port COM6 w COM port Baud rate 4800 v Logging Program Files PrismMo Gain Positioning F Close ESS Fig 7 10 Adjustment of positioning e Wheel When positioning with the help of a wheel the covered distance during movement is calculated and recorded in the header of each trace If the antenna is stationary data is not acquired Here in the window Step you set an interval with which traces are displayed on the screen equidistantly When using Zond 12e Advanced the wheel operates in bi directional mode When the antenna moves forward the profile on the screen is displayed from left to right but if the antenna moves backward the R4 RADA Systems Inc 22 profile also is build backward 1 e from right to left and has a white vertical mark in front If the antenna moves backward along the same path then it looks like a movement of the white verti
9. consequently uniqueness of this particular point of the probing route Marks serve to attach the profile to the location When probing you can by push of a button enter marks when passing some locality landmarks or pegs that have been placed for this purpose Further on when the profile is shown on the display these marks will be entered together with the profile Examples of displaying marks are shown on Fig 4 3 RADA Systems Inc 4 Examples of Displaying Radar Data lepra TENeCTOE HVOTy TEC Te penartka AHnnTYG a 50 Hyrerar Tota Bebop 100 SU 150 200 NI ian PO iL TE SEPA ie PECL care lt a FATT GaneHHU0a44 catia inni TI TTT gt RUA ere TS SES Si CUCU TACT CTL PaO CO Cr i ESCE TOSTI cor cent du RUE gt CCIAA rue TS SESE Si CCU CEU EMCUCELU Seas TA i REECE i CG Ceca SIT ETRE j iit o DA i ia pa E 0 50 100 150 200 250 300 350 400 o 50 100 150 200 250 300 350 400 Hygenaa Ioia Mapkep pr Fig 4 3 Example of displaying the line scan in black and white and color scales Note as our experience shows the line scan in the black and white color scale is the most informative type of displaying probing data Fig 4 3 on the left RADA Systems Inc R4 5 Computer Program Installation The installation package of SP PrismMobile comes as a cabinet file PrismMobile cab CAB file is a compressed file containing components of the pro
10. 07 256K La Messenger Notes Photosmart 2 doublet 3 27 10 16 7K Mobile double2 5 21 10 16 7K ni e double9 9 1 07 32 7K A eo TODARO 4 20 10 1 12K Pictures amp PrismMobile ES PrismMobile 9 1 07 611K Videos ko python 3 27 10 1 93K E k single1 4 29 10 8 69K Setup Tasks Windows Assistant Fig 6 1 Programs Fig 6 2 File Explorer When starting PS PrismMobile you will see a startup dialog box which will disappear in 10 seconds During this time the program downloads settings and aligns a connection with the Georadar Zond 12e or Python3 liete lll Start Pa m 5 27 X RADAINA lt PrismMobile PrismMobile 1 059 Designed for Windows Mobile 6 Copyright 2007 2010 by Radar Systems Inc www radsySs lv Fig 6 3 Startup dialog box of PrismMobile IMPORTANT Before starting PS PrismMobile make sure that the Georadar and if necessary WiFi kit is on since the connection is established when PS PrismMobile is started and it is broken upon exit from PS PrismMobile or when WiFi settings are changed see chapter 7 Georadar Setup It is also necessary to take into consideration that initialization of the wireless network takes up to 5 seconds after it is turned on RADA Systems Inc R4 17 PrismMobile Can t establish or lost connection to the remote device Error code 1 Fig 6 4 Message about absence of connection with the control block If there 1s no co
11. 4 Setup of connected antenna Fig 7 5 Automatic setup of pulse delay e Antenna select the antenna used in this channel from the offered list e Time Range one of the most important parameters to be chosen rather carefully You can select the range from a set of proposed values or set up by yourself at the item Customized When specifying the range there is required to watch information appeared under the signal window Should you specify too wide range the legend Warning Too small sample rate will appear At the right side of the value of the range there is indicated in nanoseconds its dimension in meters for the selected medium It determines the interval of investigated depths The latter determines the interval of investigated depths in selected media at absence of attenuation in it However maximum penetration depth is defined by the level of attenuation of the sounding signal and is different in different soils Therefore when selecting this parameter there is not recommended to specify it to be higher if required for resolving of your task e High Pass choice of cut off frequency of a hardware High Pass Filter in the receiving path to supress low frequency interferences that appears when the antenna moves across uneven surface Please follow instructions in the bottom part of the settings page when you install the filter If the surface of the probing medium is even asphalt concrete etc or if the antenna moves in the air yo
12. 600 K 240 S 2 where S a number of samples in a trace K trace record number counting starts from zero trace record not from the first one The header is followed by data of probing which is recorded sequentially sample after sample No characters or short int Measuring system symbols are used between samples to divide them Each sample is represented by data RADA Systems Inc and traces are numbered starting with 0 and not 1 The header of the trace record 1s shown in the table below Offset Parameter Parameter from length in recording beginning bytes format Commentary of trace record in bytes Trace sequence number within line Unused Original field record number Trace sequence number within original field record Unused CDP ensemble number int Trace sequence number within CDP ensemble short int Trace identification code 1 seismic data 2 dead 3 dummy 4 time break 5 uphole 6 sweep 7 timing 8 water break 9 optional use Number of vertically summed traces yielding this trace Number of horizontally summed traces yielding this trace short int Data use 1 production 2 test Receiver group elevation short int Scalar for coordinates DI DI DI DI 4 4 4 4 4 2 2 2 2 2 6 2 lt j multiplier divisor 4 X source coordinate 4 Y source coordinate Sa i DB Wl NI N Il e pl olf ON N OI al OI Di
13. A NI OD ool AI S SI N S RADA Systems Inc Ri 34 Coordinate units 1 length in meters or feet 2 arc seconds e Li PICOseconds Number of samples in this trace short int Sample interval of this reel s data in PICOseconds Marks indicator e e ____ RADA Systems Inc Contact Information We will be grateful for your feedback please inform us regarding any deficiencies you may find in functioning of our equipment or program and we also will appreciate any suggestions as how to improve their parameters and performance criteria If you find any difficulties in operating with equipment you can always contact us or our representatives by phone e mail or sending a letter We hope that using of the equipment manufactured by our company will help you achieve successful results in your business Software S Zelenkov Radar Systems Inc 1 105 Darzauglu Street Riga LV 1012 Latvia Tel fax 371 67141041 E mail radsys radsys lv Web www radsys lv RADA Systems Inc 36
14. RADA Systems Inc Software Package lt PrismMobile Version 1 059 User s Manual Riga 2010 Table of Contents Name of Chapter Page EROTELLA ela 2 2 Brie Intormation on GeOrad aL sessie E 3 DefnntionborTermssa lella Aaa 5 4 Examples of Displaying Radar Data cal 6 gt Computer Prostam Installation iatale liaison 7 5 1 PDA Configuration for Connection with Georadar i 11 5 2 PDA Configuration for Connection with External Bluetooth GPS Receiver 14 0 Programmi SPP 16 Tel GC OCAC AE Seba 18 SsRadariFrobinp hacia 27 D Addifional EUNcuons israel ae 29 l0 OurRecommendalons scs his te di eie 32 KL FormatorProbm Data Pies SEG Y lella 33 COMPACT nioma o iare a a E E eee sieuaeeaniecoerorcte 36 RADA Systems Inc 1 Introduction We thank you for having purchased the Ground Penetrating Radar Georadar manufactured by our company and or for your interest Our company has over 40 years of experience in this field of GPR The scientific research was initiated by the Problem Laboratory of Aviation Subsurface Radiolocation PLAPR whose successor is our research and production company Radar Systems Inc A modern georadar is a quite sophisticated radio engineering device However thanks to the application of the microprocessors and computing technologies to operate a georadar today is much easier than it was with its earlier models Actually to know how to
15. ata and waste of time As soon as you start data acquisition the Stop and Mark buttons on the control panel become available If during probing when passing reference points on the profile you need to insert special numbered marks into the data file all you need to do is to press the Mark button when the center of the antenna is passing the reference points Every time you press the button the computer gives a voice signal Mark and an aqua blue vertical line appears on the screen The first trace of the file is always automatically assigned the mark with 0 number while the last trace is assigned the maximum number To stop data acquisition press Stop The program gives a voice signal Stopped and Start Exit and SETUP buttons on the control panel become available Now if you have chosen saving of the profile to a file it 1s already saved on the data store in the folder you indicated SETUP Files Data Folder see chapter 7 Georadar Setup paragraph 5 The next file will be automatically saved with an indexed filename RADA Systems Inc 28 9 Additional Functions During the process of data acquisition the program offers to an operator a few additional functions Zero depth setting a possibility to correct the zero point position on the scale of depth Depending on the antenna time range ground permittivity the height to which the antenna is lifted above ground for aerial antennas and so forth
16. ation skip this step and proceed to the following one During the first installation of PrismMobile on your PDA you will see a window warning that you are about to install a program of an unknown publisher To continue press Yes Then proceed to point 7 During repeated installation of PrismMobile on your PDA you will see a message that the OS will remove the previous version of PS To allow that press OK Otherwise press Cancel Choose a location to install PS on your PDA Device RADA Systems Inc en QE 2 24 Installing PrismMobile CAB _ O O OOO PrismMobile CAB The program is from an unknown publisher You should install it only if you trust its publisher Do you want to continue Name PrismMobile CAB Location My Documents De i 5 06 The previous version of Radar Systems Inc PrismMobile will be removed before the new one is installed Select OK to continue or Cancel to quit d 5 06 Choose a location to install Radar Systems Inc PrismMobile Device O SD Card C iPAQ File Store Space Needed 785 KB Space Available 146746 KB Install Cancel 10 ii _ mmm _90 T m _____ _mmmm1nk le Start ee 25 07 lok PrismMobile CAB was successfully installed on your device The installation process will be shown as a running line Upon completion of installation a message will appear that PS If you need more storage space you can remove in
17. c permittivity of the medium that is being probed and horizontal showing distance both shown in meters A large guideline on the depth scale denotes one meter a medium one denotes 10 cm and a small one 5 cm On the RADA Systems Inc R4 27 distance scale 10 meters 1 meter and 0 5 meter respectively On a profile itself depth horizons are displayed by yellow lines with one meter intervals The name of the current file 1f the option of saving the profile to a file was selected and the current position in meters in relation to the beginning of the profile are shown under the profile provided that positioning includes the wheel If the wheel 1s not included in the positioning then the current number of traces is shown Above the profile GPS coordinates are displayed if the GPS option is selected for positioning and the battery status only for Zond 12e Advanced or Python3 We would like to remind you that if you carry out positioning using the wheel data acquisition to the current profile and respectively displaying thereof on the screen is performed only during rotation of the wheel In case of stop of the wheel data acquisition is also stopped and is resumed after beginning wheel rotation IMPORTANT It is necessary to pay attention to messages generated by the program and displayed at the bottom part of the profile especially to those highlighted in red It will help you avoid irretrievable loss of d
18. cal mark back over the profile This function of the wheel is very useful for precise location finding of underground utilities when a white vertical mark precisely coincides with a top of the hyperbola IMPORTANT It is recommended to set the minimal value of Stacking when positioning with a Wheel e GPS satellite positioning by an external GPS receiver via Bluetooth connection see paragraph 5 2 for PDA configuration of Bluetooth connection The following settings for using a GPS receiver are provided o GPSID using of a Windows Mobile 6 operating system internal GPS driver Turning on this option shuts down Bluetooth connection settings in this case internal settings of OS will be used which are adjusted in a respective OS window press Start select Settings go to the System tag and click on External GPS it s recommended to adjust further settings in accordance with the OS Windows Mobile 6 User s Manual This option allows that one GPS receiver could be used by several applications programs running simultaneously For example if you want to save GPS coordinates not only to the data profile but also by an external application for further data processing for the purpose of enhancing the accuracy of received coordinates o Bluetooth Outbound COM Port the number of this port is indicated in accordance with the option chosen in paragraph 5 2 of chapter 6 o COM Port Baud rate is selected according to the option specified in the
19. d 12e or Python em ew network you will see the word allzond 126 Connected Connecting Wait for the word DATORTEHNIKA Available 4 dlink308 Available l Norstat Riga Available Po Connected to appear The icon will appear at the top of the screen It means that you have successfully connected to the wireless network of the Zond 12e or Python3 georadar Networks to access 17 Press OK 18 Press Close vis Pegi dope Connect Menu RADA Systems Inc 14 5 2 PDA Configuration for Connection with External Bluetooth GPS Receiver To use GPS receiver for work with the georadar you have to make certain adjustments to your PDA For Windows Mobile 6 do the following steps 1 Press Start select Settings Start saturday June 19 2010 Wi Fi Zond 12e iPAQ Wireless gt Wy mi 100 81 69MB 3 70GB Calendar Contacts 2 Then select Connections aul etn te we ql 11 40 X 3 Press the Bluetooth icon a Ho o Bluetooth Connections HP iPAQ Wireless F USB to PC Wireless Manager Fassi RADA Systems Inc 4 Make sure that Bluetooth interface 1s on It means that in the Bluetooth Settings window in the General tag you should see a blue inscription Bluetooth is ON if you don t see it turn it on by pressing Turn on 5 Go to Services and select Serial Port from the list of service settings Check Enable service and press Advanced
20. ected signal should be counted from this sample As it was mentioned earlier an impulse of the transmitter is approximately a 1 5 cycle three lobe signal It means that the zero point should be aligned with the middle of the second lobe of the impulse of the transmitter The method of adjustment of the zero point is described in chapter 10 of this manual This is a very important parameter taken into account in the calculation of signal time delays to determine the depth of the target location in the probed medium Examples of the location of the zero point are shown on Fig 4 1 4 2 and 4 3 Wiggle plot a type of imaging a profile where traces are set vertically at some distance from one another Each trace is drawn as a curved line deflecting from the middle line to the left or to the right depending on the value of the sample in each point of the trace In addition positive signal lobes are highlighted with the color corresponding to the maximum positive level of the chosen color scale Examples of the wiggle plot are shown on Fig 4 2 Line scan a type of imaging a profile where traces are set vertically close to each other and they are drawn as vertical lines Color in every point of the line depends on the amplitude of a respective sample of traces according to the chosen color scale Examples of the line scan are shown on Fig 4 3 Mark a distinguishing feature of a profile trace which denotes some uniqueness of this trace and
21. ges Before you start working with the georadar on a separate task it is useful to create a separate folder where you will keep probing files in regard to this specific task versus having all your information in one pile RADA Systems Inc 32 11 Format of Probing Data Files SEG Y The program PrismMobile uses the international SEG Y format for geophysical data A name of a file starts with a 3200 byte EBCDIC descriptive reel header record containing file service information It 1s followed by a 400 byte binary reel header record containing information about data Offset Parameter Parameter from file length in recording Commentary start bytes format position in bytes 3216 short int Sample interval of this reel s data in PICOseconds 3220 short int Number of samples per trace for this reel s 3222 data 3224 3226 short int Data sample format code 2 meters sample format code from the binary reel header and takes 2 or 4 bytes Thus a trace 1 32 bit IBM floating point 3254 2 feet containing N samples is 2 or 4 N bytes long It is to be taken into account that samples 2 32 bit fixed point integer 3256 int int int 3 16 bit fixed point integer 4 16 bit fixed point with gain code integer per ensemble Further records of traces follow where each contains a 240 byte binary reel header and data on traces Offsetting from the file start point to record K equals 3
22. gram and instructions for the operating system to allocate them and register In Windows Mobile this type of file is an executable file 1 e when it is run the program installation module of the operating system is started In order to install SP you need to connect your PDA to your desktop computer PC that has a PDA connector for synchronizing data exchange and carry out the following operations IMPORTANT It is recommended to use PDA for work only when it is disconnected from PC because the programs used to do synchronizing data exchange Microsoft ActiveSync restrict the working capacity of the PDA wireless module 1 e they interrupt existing connection and disallow to connect to wireless LAN WiFi 1 Connect your PDA to PC using USB connector Wait until ActiveSync completes initialization and in the opened window press the Explorer button If ActiveSync has not started automatically you can start it by double clicking on the icon in the system tray bottom right part of the screen Explorer provides access to the entire file structure of PDA BEIB Microsoft ActiveSync Edit View Favorites cools Help Fia Search Wey Folders File Calendar E mail O Other Places My Windows Business My Music E Mobile Based 4 sli hse Device My Documents D O Gol Shared Documents a My Network Places My Pictures Personal Templates Details E Mobile
23. he subnet 192 168 0 xxx where XXX corresponds to any number from 1 to 255 except for 10 because 192 168 0 10 is the address of the Zond 12e or Python3 georadar for example 192 168 0 1 In the field Subnet mask enter code 255 255 255 0 Press OK If the Zond 12e for Zond 12e advanced or Zonde 12e WiFi Upgrade Kit or Python for Python3 network has already been configured proceed to point 15 Go to the Wireless tag and select the network Zond 12e or Python across from which you will see the word Available In the opened Zond 12e or Python settings window select Next Press Next 15 Press Finish RADA Systems Inc 12 Settings er 8 11 43 ok Configure Network Adapters My network card connects to ork Tap an adapter to modify settings NE2000 Compatible Ethernet Driver Bluetooth PAN User Driver Microsoft null Ethernet a Driver YUNIP Y eme EAR A Ha AsyncMac NDISWAN Miniport Remote NDIS Host Network Adapters Edit ne Settings er 11 50 ok C Use server assigned IP address Subnet mask Default gateway 192 168 0 100 Settings er 12 57 ok Add New i DATORTEHNIKA i dlink308 Available Available Networks to access All Available v Wireless Network Adapters Gi Connect Menu 13 16 Select Zond 12e or Python network iS Settings R A 12 05 ok and click on Connect Across from the Configure Wireless Networks name of the Zon
24. heoretical hyperbola with the selected signal hyperbola on the profile To begin with align tops of the hyperbolas for which double click on the top of the signal hyperbola and then by single taps by stylus on branches of the signal hyperbola adjust the slope of the branches If you are satisfied with how the aligned theoretical hyperbola looks press vi otherwise press gt When you confirm the theoretical hyperbola the depth scale is reconfigured to match the theoretical hyperbola The program memorizes this value and it will use it afterwards for next profiles If you are not satisfied with this value you can correct it at any time RADA Systems Inc 30 PrismMobile 1 059 10 16 ok Ei 73 12 73 V DAT_0005 SGY Position 10 00 m Start Stop Mark Exit SETUP Fig 9 3 Correction of the medium permittivity RADA Systems Inc 31 10 Our Recommendations In this chapter we offer several recommendations how to operate with the equipment and the software We do not claim that we have a monopoly on the truth but if you are new to working with this kind of equipment we recommend you to read this chapter In our opinion the line scan in the black and white color scale is the most informative type of displaying probing data see example on Fig 4 3 on the left It looks like three dimensional and weak signals are seen clearly Working with the program pay attention to tips and messa
25. n it moves through the ground the deeper the signal goes the stronger the amplifying of it must be Therefore amplifying of the signal at the end of the trace must be stronger than at the beginning of the trace You can apply any amplifying function representing a broken line connecting 2 3 5 or 9 points where in each of the points amplifying may be regulated with a slider within the range between 0 to 84 dB Under each slider its accurate amplifying value is indicated in dB For the most part it is sufficient to set 2 points with O dB at the beginning and 48 dB at the end If these settings are not optimal you can set other ones later IMPORTANT Amplifying is a purely program function and is used only when data is displayed The signal itself 1s digitized and recorded without amplification Pa 4 45 lok i COOL ong 4 45 lok 4 45 ok s M dB Si 8 67 O2 O5 O39 een tema cin Fosso SIP cain Fostoria FLAT Close Close EG Fig 7 6 Gain in 2 points Fig 7 7 Gain in 3 points RADA Systems Inc 21 P 4 45 ok Po Q 4 45 lok Ud dB 6 51 14 42 73 dB 6 13 24 36 43 58 46 38 27 O2 030 35 60 O2 0O O5 h cain Fosso ALT cain Fossa A TF Close p Close Fig 7 8 Gain in 5 points Fig 7 9 Gain in 9 points 4 Positioning choice of the method to be used to measure current coordinates of traces and the overall length of profile It is possible to use either one positioning method or
26. nection is not established automatically connect to the network manually see section 5 1 PDA Configuration for Connection with Georadar Start 9 ne Wireless Manager 23 59 X Saturday June 19 2010 Wi Fi Zond 12e iPAQ Wireless L E 7 a rA 100 81 69MB 3 70GB On Calendar Contacts Fig 7 1 PDA desktop Fig 7 2 Control of wireless networks 3 Start the program see chapter 6 Program Startup and after the startup dialog box has disappeared press the SETUP button in the control section of the main program window The window that appears is divided into three zones zone of trace displaying setup pages and tag box every tag corresponds to its own settings page Current trace and battery status for Zond 12e Advanced and Python3 are displayed in the zone of trace displaying The battery status is displayed graphically in percentage and voltage IMPORTANT Keep an eye on the georadar internal battery status and use external power resources 12 V DC when the internal battery is low because it may cause interruptions in georadar functioning such as untimely shutdown loss of the wireless network loss of antenna signal etc To extend the life span of the internal battery it is recommended to fully recharge it after work with the georadar is completed see Georadar User s Manual since partial charging regular use of the battery when it is low or incomplete charging result in its early failure R4
27. ng the probing see chapter 7 Georadar Setup paragraph 5 It is recommended to place profiles related to another separate work with the georadar in a separate folder in order to avoid any confusion in future Now place the antenna in the working position at the beginning of the area chosen for probing and exit the georadar settings dialog box After exiting the georadar settings dialog box you will automatically get into the main program window in the bottom part of which there is a control panel to maintain the process of data acquisition At this point only three lit buttons that are necessary will be available to you Start Exit and SETUP Press Start If the button Always save acquired data to file is not marked the program will ask if it needs to save a received profile to the file or not After a short delay about one second the computer will produce the sound signal Let s go and probing will start with displaying the radar line scan on the screen in real time It is important to note that data acquisition starts when the phrase Let s go is completed It is done intentionally taking into account the loss of time needed for an operator to get ready to start moving DAT_0005 SGY Position 10 00 m Start Stop Mark Exit SETUP Fig 8 1 The program main window reflecting receipt of data To visually control data there are two scales on the screen vertical showing depth calculated based on time and dielectri
28. ngs position Always save acquired data to file In this case every time before the data acquisition beginning the program will ask you should it save data of the current profile to the file or not P d 4 46 ok Kili 57 12 58 V Data folder Program Files PrismMobile E File mask DAT _0000 SGY Current file name DAT_0004 SGY Allways save acauired data to file Do not ask on start oning Close Eg Fig 7 12 File recording setup window 6 Palette choice and adjustment of the palette for displaying a profile Any palette is created from at least two maximum ten main colors For each color its location on the palette is indicated Intervals between the palettes are interpolated automatically This way a gradient palette is formed The first and the last colors always participate in forming of the palette Each following color that is added may have a position on the palette between the positions of two closest colors included Inclusion exclusion of a color is done by pressing the button with a respective number To change a color press the large button located between the position slider and color numbers You can change a color R4 RADA Systems Inc 25 location by using the slider The program saves all changes to the current palette and also provides an opportunity to save and retrieve six different previously saved palettes P d 4 46 ok Close Fig 7 13 Palette setup window 7 WiFi
29. nnection the program will give a respective warning and will restrict access to certain functions receipt of data alignment of the georadar etc PS PrismMobile will try to make a connection once more either after rebooting or when the WiFi settings are modified see chapter 7 Georadar Setup paragraph 7 The main window of the program is divided into two zones zone of data displaying and zone of control buttons such as Start Stop Mark Exit and SETUP PrismMobile 1 0 gt 2 5 27 Start Stop Mark Exit SETUP Fig 6 5 Main window of the program Start start of data acquisition Stop stop of data acquisition Mark put a marker in the profile Exit exit the program SETUP control of settings of the georadar Zond 12e or Python3 and PS PrismMobile IMPORTANT Any actions in the program are made with the help of Stylus RADA Systems Inc 7 Georadar Setup Before you start probing it 1s necessary to set up working modes of the georadar and PS PrismMobile 1 Assemble georadar Zond 12e Advanced or Python3 as explained in the User s Manual and turn it on When using Zond 12e WiFi Upgrade Kit assemble WiFi Upgrade Kit according to Zond 12e WiFi Upgrade Kit User s Manual and turn it on 2 Turn on PDA and make sure that it is connected to the wireless network Zond 12e or Python The name of the network should appear on your PDA or in the dialog box Wireless Manager If con
30. s 512 and cannot be changed e Stacking setting of the number of traces which will be summarized during probing Stacking helps suppress noises and interferences and increase the depth of probing But it should be remembered that it reduces the rate of traces acquisition by PDA proportionally to the number of stackings and may require slowing down of the movement of the antenna in order to avoid loss of information The minimum stacking possible is 2 because the capability of today s PDA does not support simultaneous acquisition display and saving of data without stacking e Channel applies only to the Dual Channel radar choice of a georadar channel Channel 1 a single channel operation mode with the antenna R4 RADA Systems Inc 19 20 connected to channel No 1 Channel 2 a single channel operation mode with the antenna connected to channel No 2 Dual channel operation mode is not presented in this version of sotware e Show Battery turn on off the display of the status of the internal battery only in case with Zond 12e Advanced or Python3 2 Antenna settings of a connected antenna Po 4 45 ok Pa 4 47 ok im 57 12 58 V Kill 56 12 57 V Antenna 1500 MHz shielded v Time Range 50 w ns Depth 5 74 m i E Please wait while adjusting ih Pas E ulse delay Pulse Delay 322 alv AutoDelay EG ea inne a n ALD mierna Gan estos Fes Poa E ESE Close Close Fig 7
31. stalled programs has been installed successfully IMPORTANT If for some reason to increase the storage space on the data carrier or to install a newer version you need to uninstall PS PrismMobile from your PDA do the following Start gt Remove programs from the Settings bar System tag RADA Systems Inc 11 5 1 PDA Configuration for Connection with Georadar In order for your PDA to be able to work as part of the georadar Zond 12e advanced Zonde 12e WiFi Upgrade Kit or Python3 you need to connect your PDA with the georadar wireless network For Windows Mobile 6 do the following steps Start a EY saturday September 01 2007 1 Press Start select Settings Wi Fi Available iPAQ Wireless mi rh A T wa 8 80 14MB 3 70GB Calendar Contacts e n A aAat _ Tm r rePrPr 2 Then select Connections Settings a 2 11 40 X 3 Press the Wi Fi icon a Bluetooth Connectidy HP iPAQ Wireless a USB to PC Wireless Manager letta na I 4 If you have the IP address set proceed to point 11 RADA Systems Inc 10 11 12 13 14 In the opened window Configure Network Adapters select Network Adapters Select a respective wireless network card from the list of devices in case with HP iPAQ 214 it should be Marvell SDIO8686 Wireless Card Select Use specific IP Address In the field IP Address enter any address for your PDA from t
32. t that the transmitting antenna emits ultrabroadband 1 5 period electromagnetic waves the approximate shape of which is shown on Fig 2 2 Fig 2 2 Shape of an emitted electromagnetic wave The electromagnetic waves propagate in the medium that is probed reflecting from various inhomogeneities metals voids different subjects borders of strata with different parameters etc Reflected waves are received by the receiver through the receiving antenna and these waves carry information about the medium probed Apart from the reflected wave by all means there is also a direct wave traveling from the transmitting antenna to the receiving antenna along the shortest possible route Therefore an output signal of the receiver represents an impulse of the transmitter as shown on Fig 2 2 and subsequent reflected impulses In order to determine the depth of the target location in the medium the reflected signal delay time is to be measured from the transmitter s impulse Fig 2 3 Example of an output signal of the receiver The transmitter s impulse is well seen on the left The process presented on Fig 2 3 is extremely fast it lasts dozens to hundreds of nanoseconds and is technically difficult to process A stroboscopic converter is used to stretch this process The synchronizer controls all units of the georadar and in its turn is controlled by PDA and the Software For the purpose of analysis of information received it is necessar
33. the direct surface wave can change its position in relation to the beginning of the trace what consequently has an impact on the measured depth To incorporate these changes the option provides correction of position of the zero point on the scale of depth To utilize it double click on the depth scale You will see that a frame will appear around the scale Press on the depth scale and move the stylus up or down the scale will move along with it When you withdraw the stylus a new value for the zero depth will be displayed The program will remember this value and it will use it afterwards for next profiles If you are not satisfied with this value you can adjust it at any time F PrismMobile 1 059 2 10 16 ok Emi 73 12 73 V DAT_0005 SGY Position 10 00 m Start Stop Mark Exit SETUP Fig 9 1 Zero depth setting Determining precise depth of point target a possibility to determine precise adjusted depth of the point target Because the georadar uses two separated antennas receiving antenna and transmitting antenna simple recalculation of the time scale into the depth scale gives an error The error results from the fact that when the antennas are separated by a gap a distance measured is slanting not vertical and the time of a direct signal propagation from the transmitting antenna to the receiving antenna is not taken into account see Fig 2 1 Ignoring these parameters may lead to substantial errors
34. u can turn off the filter this way you can eliminate some slight signal distortions caused by the filter e Pulse Delay this option is meant for aligning a probing signal with the probing time range Initial pulse delay values are entered in the program during its installation and do not reflect the optimal adjustment The setup should be done when the georadar 1s first turned on with this antenna for R4 RADA Systems Inc this particular Time Range The adjustment may be done either automatically or manually When using the automatic mode after you press the AutoDelay button the probing signal will be automatically aligned with the beginning of the probing time range see Fig 7 5 To cancel or stop automatic setup press Cancel in the window that has appeared When setting in the manual mode set the probing signal at the desired position in the probing time range by using buttons SF The optimal position is such position of the probing impulse in the probing time interval when the first lobe is off from the beginning of the time axis by approximately 1 20 of its length see Fig 7 15 After the initial adjustment values of Pulse Delay will be saved for each combination Antenna Time Range and every time you turn on the georadar henceforth you do not need to do this adjustment again 3 Gain digital amplifying of received signals when they are displayed on the screen as a radar profile Since a signal weakens quickly whe
35. y to take into consideration that the velocity of propagation of electromagnetic waves in the probed medium other than air is not equal to and is less than the speed of light by the coefficient of retardation The coefficient of retardation equals the square root of the dielectric permittivity of the medium The program automatically discounts this factor RADA Systems Inc 3 Definition of Terms Here is a list of terms used in this text whereas different resources give different interpretation of these terms and some of them are not explained elsewhere l Zi gt Sample unit value reflecting the amplitude of the signal at any given moment of time Trace an aggregate of samples containing one dimensional information on reflected signals Examples of traces are shown on Fig 2 3 and 4 1 Profile an aggregate of traces containing two dimensional information on reflected signals received as a result of some routing Profile can consist of any number of traces Examples of a profile are shown on Fig 4 2 and 4 3 The profile per say or a number of profiles in the form of a file files is the end result of the probing After that follows processing if necessary printing if necessary and interpretation of data Zero point Trace sample corresponding to the transmitter s emission maximum instant It is this very sample whereto the scale numbering zero falls along traces 1 e the delay time of a refl
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