GPS Receiver Module User's Guide
Contents
1. Name Example Units Description Message ID GPGGA GGA protocol header UTC Time 161229 487 Hhmmss sss Latitude 3723 2475 Ddmm mmmm N S Indicator N N north or S south Longitude 12158 3416 dddmm mmmm E W Indicator W E east or W west Position Fix Indicator 1 See Table 5 3 Satellites Used 07 Range 0 to 12 HDOP 1 0 Horizontal Dilution of Precision MSL Altitude 9 0 Meters Units M Meters Geoid Separation Meters Units M Meters Age of Diff Corr second __ Null fields when DGPS is not used Diff Ref Station ID 0000 Checksum 18 lt CR gt lt LF gt End of message termination Table 4 3 Position Fix Indicator Value Description 0 0 Fix not available or invalid 1 GPS SPS Mode fix valid 2 Differential GPS SPS Mode fix valid 3 GPS PPS Mode fix valid Rikaline Marketing Corp Specifications subject to change without prior notice 8 5F 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail infoOrikaline com tw Web www rikaline com tw 4 1 2 Geographic Position with Latitude Longitude GLL Table 4 4 contains the values for the following example GPGLL 3723 2475 N 12158 3416 W 161229 487 A 2C Table 4 4 GLL Data Format Rikaline Name Example Units Description Message ID GPGLL GLL protocol header Latitude 3723 2475 ddmm mmmm N S Indicator N N north or2. If this pin is pulled HIGH whenever a reset condition occurs or if it is turned HIGH during operating the GPS engine is turned ON If this pin is pulled LOW whenever a reset condition occurs the GPS engine is not started If this pin is turned LOW when in operating the GPS engine is turned OFF When ON OFF is LOW the on off state can be superseded with the PXEMaRT manufacturer specific NMEA sentence on RXA as defined below 3 USPED RXA and TXA The Serial NMEA data port RXA and TXA is an asynchronous serial port UART USPED HIGH 9600 Baud rate 8 bit data no parity check 1 stop bit and no flow control USPED LOW 4800 Baud rate 8 bit data no parity check 1 stop bit and no flow control This setting can be modified with the PXEMaPT manufacturer specific NMEA sentence defined below 4 PPS This is Pulse Per Second highly accurate timing signal generated by the on board GPS base band processor After a reset condition the default setting for this port is inactive This setting can be modified with the PXEMaPS manufacturer specific NMEA sentence defined below 5 The receiver has 2 reset conditions first on power on thanks to an on board Power On Reset circuitry and second an external reset when the RESETN pin is LOW 6 VCC The VCC core pin is connected to the on board regulated supply voltage that powers the MCU and GPS base band cores Specifications subject to c
3. 00 to 99 Beta version 03 Beta version number 00 to 99 Month 10 Month of the release 01 to 12 Day 27 Day of the release 01 to 31 Year 2002 Year of the release lt CR gt lt LF gt End of message termination Example PXEMSVR R 6E set PXEMSVR R nucleus 04 03 10 27 2000 6E response to query 4 3 2 8 TR Transparent Mode With this type of sentence an API function call as defined in the Standard and Advanced API Function Calls documents are passed thru the NMEA interface This can be a query set and response type of sentence PXEMaTR c c X XX X x hh Example PXEMSTR navGerBbAddr s798 6E set PXEMRVR 6E response to 4 4 DEFAULT Setting Details 4 4 1 Pulse Per Second Signal PPS output OFF 4 4 2 Receiver configuration Receiver Mode Automatic 2D 3D Automatic switch between 2D and 3D position fix depending on number of SV in view Specifications subject to change without prior notice 14 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Rikaline Max Oscillator Offset 6 5e 6 Limit the search range during cold start Must be larger than TCXO tolerance stability aging for ex 1 2 5 3 6 5 Elevation Mask in degrees 5 SVs for which elevation is lower are ignored to compute the solution Signal Level Mask AMU 2 SVs for which signal strength is lower are i
4. 35 HJORSEY 1955 Iceland 36 HONG KONG 1963 Hong Kong 37 INDIAN Bangladesh India Nepal 38 INDIAN Thailand Vietnam Specifications subject to change without prior notice 16 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Rikaline 39 IRELAND 1965 Ireland 40 ISTS 073 ASTRO 1969 Diego Garcia 41 JOHNSTON ISLAND Johnston Island 1961 42 KANDAWALA Sri Lanka 43 KERGUELEN ISLAND _ Kerguelen Island 44 KERTAU 1948 West Malaysia Singapore 45 L C 5 ASTRO Cayman Brac Island 46 LIBERIA 1964 Liberia 47 LUZON Mindanao Island 48 LUZON Philippines excluding Mindanao Island 49 MAHE 1971 Mahe Island 50 MARCO ASTRO Salvage Islands 51 MASSAWA Eritrea Ethiopia 52 MERCHICH Morocco 53 MIDWAY ASRTO 1961 Midway Island 54 MINNA Nigeria 55 NORTH AMERICAN Alaska 1927 56 NORTH AMERICAN Bahamas excluding San Salvador Island 1927 57 NORTH AMERICAN Central America Belize Costa Rica El Salvador Guatemala 1927 Honduras Nicaragua 58 NORTH AMERICAN Canal Zone 1927 59 NORTH AMERICAN Canada including Newfoundland Island 1927 60 NORTH AMERICAN Caribbean Barbados Caicos Islands Cuba Dominican 1927 Republic Grand Cayman Jamaic
5. lt LF gt End of message termination 1 All course over ground data are geodetic WGS84 directions 4 1 7 Time amp Date ZDA Table 4 11 contains the values for the following example GPVTG 114523 62 12 04 2001 10 34 6E Table 4 11 ZDA Data Format Name Example Units Description Message ID GPZDA ZDA protocol header Houn Mit SPa BUB EC vcr Hhmmss ss Day 12 Day in UTC O1to 12 Month 04 Month in UTC 01 to 12 Year 2001 Year in UTC Local Zone Hours 10 Local zone hours 13 hours Local Zone Minutes 34 Local zone minutes 0 to 59 Checksum 6E lt CR gt lt LF gt End of message termination 4 2 RTCM Received Data The default communication parameters for DGPS Input are 9600 baud 8 data bits stop bit and no parity Position accuracy of less than 5 meters can be achieved with the GPS 22 by using Differential GPS DGPS real time pseudo range correction data in RTCM SC 104 format with message types 1 5 or 9 As using DGPS receiver with different communication parameters GPS 22 may decode the data correctly to generate accurate messages and save them in battery back SRAM for later computing 4 3 Syntax Setting 4 3 1 Basic Manufacturing Default Datum WGS84 Baud Rate 9600 4800 Output GGA GSA GSV RMC or by demand Details please see paragraph 4 4 4 3 2 Output Setting 4 3 2 1 General Description The NMEA Standard v2 1 dictates that prop
6. response On Off 1 PPS output switch 1 ON O OFF lt CR gt lt LF gt End of message termination Example PXEMSPS 1 6E set PXEMSPS a 6E response to set a action status A success V failure 4 3 2 5 PT Port Configuration This sentence configures the application serial port communication parameters PXEMaPT xxxxxx x a x hh Name Example Units Description Message ID PXEMaPT Proprietary PT protocol header a mode S set R response Baud rate 009600 xxxxxx Baud rate 115200 057600 038400 019200 009600 004800 002400 Data Length 8 X of data bits 7 or 8 Parity N Parity N None O Odd E Even Stop bit 1 of stop bits 1 or 2 lt CR gt lt LF gt End of message termination Example PXEMSPT 009600 8 N 1 6E set PXEMSPT a 6E response to set a action status A success V failure 4 3 2 6 RT Reset the Receiver Start Stop FirstGPS This sentence forces the receiver to perform a software reset It also allows starting up and shutting down the FirstGPS library without performing a full software reset This is a set only sentence PXEMaRT a hh Name Example Units Description Message ID PXEMaRT Proprietary RT protocol header a mode S set R response Command S C cold sofrware reset W warm software reset H hot sofrware reset S start the FirstGPS
7. 8 GSV Data Format Name Example Units Description Specifications subject to change without prior notice 9 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Rikaline Message ID GPGSV GSV protocol header Number of Messages 2 Range 1 to 3 Message Number 1 Range 1 to 3 Satellites in View 07 Range 1 to 12 Satellite ID 07 Channel 1 Range 1 to 32 Elevation 79 degrees Channel 1 Maximum 90 Azimuth 048 degrees Channel 1 True Range 0 to 359 SNR C No 42 dBHz Range 0 to 99 null when not tracking Satellite ID 27 Channel 4 Range 1 to 32 Elevation 27 degrees Channel 4 Maximum 90 Azimuth 138 degrees Channel 4 True Range 0 to 359 SNR C No 42 dBHz Range 0 to 99 null when not tracking Checksum 71 lt CR gt lt LF gt End of message termination NOTE Items lt 4 gt lt 5 gt lt 6 gt and lt 7 gt repeat for each satellite in view to a maximum of four 4 satellites per sentence Additional satellites in view information must be sent in subsequent sentences These fields will be null if unused 4 1 5 Recommended Minimum Specific GNSS Data RMC Table 4 9 contains the values for the following example GPRMC 161229 487 A 3723 2475 N 12158 3416 W 0 13 309 62
8. S south Longitude 12158 3416 dddmm mmmm E W Indicator W E east or W west UTC Position 161229 487 hhmmss sss Status A A data valid or V data not valid Checksum 2C lt CR gt lt LF gt End of message termination 4 1 3 GNSS DOP and Active Satellites GSA Table 4 5 contains the values for the following example GPGSA A 3 07 02 26 27 09 04 15 1 8 1 0 1 5 33 Table 4 5 GSA Data Format Name Example Units Description Message ID GPGSA GSA protocol header Mode 1 A See Table 5 6 Mode 2 3 See Table 5 7 Satellite Used 1 07 Sv on Channel 1 Satellite Used 1 02 Sv on Channel 2 Satellite Used Sv on Channel 12 PDOP 1 8 Position Dilution of Precision HDOP 1 0 Horizontal Dilution of Precision VDOP 1 5 Vertical Dilution of Precision Checksum 33 lt CR gt lt LF gt End of message termination 1 Satellite used in solution Table 4 6 Mode 1 Value Description M Manual forced to operate in 2D or 3D mode A 2D Automatic allowed to automatically switch 2D 3D Table 4 7 Mode 2 Value Description 1 Fix Not Available 2 2D 3 3D 4 1 4 GNSS Satellites in View GSV Table 4 8 contains the values for the following example GPGSV 2 1 07 07 79 048 42 02 51 062 43 26 36 256 42 27 27 138 42 71 GPGSV 2 2 07 09 23 313 42 04 19 159 41 15 12 041 42 41 Table 4
9. library X shut down the FirstGPS library lt CR gt lt LF gt End of message termination Specifications subject to change without prior notice 13 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Rikaline Example PXEMSRT W 6E set PXEMSRT a 6E response to set a action status A success V failure 4 3 2 7 VR Version Information optional This sentence obtains software versions for the measurement platform MPM firmware FirstGPS API FirstGPS Library native RTOS and native processor CPU This is a query only sentence Note A complete VR sentence returns only the version of a particular product component one at a time either MPM firmware API library RTOS or CPU The sentence must include the component type for which to obtain the version for any given query PXEMaVR a cccccc xx xXx XX XX XX XXxx hh Name Example Units Description Message ID PXEMaVR Proprietary VR protocol header a mode Q set R response Component type A M measurement platform MPM firmware A FirstGPS API N FirstGPS Library R native RTOS U native processor CPU Name abcdef Variable length field may be up to 17 characters long Maj version 04 Major version number 00 to 99 Min version 02 Minor version number
10. 120598 10 Table 4 9 RMC Data Format Name Example Units Description Message ID GPRMC RMC protocol header UTC Time 161229 487 hhmmss sss Status A A data valid or V data not valid Latitude 3723 2475 ddmm mmmm N S Indicator N N north or S south Longitude 12158 3416 dddmm mmmm E W Indicator W E east or W west Speed Over Ground 0 13 Knots Course Over Ground 309 62 Degrees True Date 120598 ddmmyy Magnetic Variation Degrees E east or W west Checksum 10 lt CR gt lt LF gt End of message termination 4 1 6 Course Over Ground and Ground Speed VTG Table 4 10 contains the values for the following example GPVTG 309 62 T M 0 13 N 0 2 K 6E Table 4 10 VTG Data Format Name Example Units Description Message ID GPVTG VTG protocol header Course 309 62 Degrees Measured heading Reference T True Course Degrees Measured heading Reference M Magnetic 1 Speed 0 13 Knots Measured horizontal speed Units N Knots Speed 0 2 Km hr Measured horizontal speed Units K Kilometers per hour Checksum 6E Specifications subject to change without prior notice 10 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Rikaline lt CR gt
11. 86 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Rikaline 3 Hardware interface 3 1 Physical Characters 1 Size 31 59 W x 26 59 D x 11 20 H mm 1 24 W x 1 05 D x 0 44 H 2 Weight 25 g 3 1 1 Details Drawing 3 2 Pin Definition PIN NAME TYPE DESCRIPTION 1 GND Power and Signal Ground 2 ON OFF I ON Offcommand line 3 vcc 3 0to3 6 Volts DC Input Power Supply 4 USPED i 9600 4800 Bd UART Speed 5 RXA i Serial Receive Data Port A GPS NMEA Data 6 VRTCBK Back up supply for the RTC 7 TXA O Serial Transmit Data Port A GPS NMEA Data 8 PPS O One Pulse Per Second timing output 9 GND _ Power and Signal Ground 10 RESETN __ Manual Reset Active low 11 ALMANAC 1 high almanac valid O low almanac not valid 12 STY1 I For future use connected to GPIO 1 13 Po NC 14 sTYO For future use connected to GPIO 0 15 Po NC 16 OSCSTOPN MCU oscillator is stopped Active Low Specifications subject to change without prior notice 6 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Rikaline 1 All I Os on the Data Interface are related to VCC 3 to 3 6 Volts and GND levels 2 ON OFF control the GPS engine ON or OFF
12. Rikaline GPS 22 GPS Receiver Module Oct 06 2002 Positioning Accuracy 3m CEP 50 or lt 5m CEP 90 Low Power 17mA typical tracking at 3 3 Volts full power Rikaline Marketing Corp 5F 1 125 Roosevelt Rd Sec 5 Taipei 116 Taiwan R O C Phone 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw All Right Reserved Rikaline TABLE OF CONTENTS 1 INtroduction Bss eed edd okie a bee ited cigs oi ia 3 TA A e E ia 3 12 FOatures sist id iii ina 3 1 3 FirstGPS Architecture HighlightS ooooooonnnocococococincnanincncoconononananananinnnroroninananins 3 TAApplication ri AAA A oddeures 3 1 3 Technology Specifications ooocccionicinonccananina naar rante da 3 2 Operational Characteristic oooooocccoooocccccncnnnonocccncnnnonnccnnnncnnonannnnannnos 4 ZA NMIIANZATION ica A A tie 4 2 2 NAVIG AU OM is a A e eb 4 3 Hardware Interface oia ida in a a a ad aaa 6 3 1 PhysicaliCharacters inicia pas 6 3 2 PIN DENON cio ii id ai AA a a o aa a Dad 6 4 Software Interface inician is 8 4 1 NMEA Transmitted Messages iccscysisensasiccaisesisdusranewsinends dais 8 A 2 RICM Received Data airrcthe aniisi 11 4 3 Syntax Setting erran nea aa a aE frio a a a 11 4 4 Defaulting Setting Details soria A 14 4 5 Application Information 2 2 2 0 2 c cece cece eee ce ee ee eee e eee eect eens ee ea eee eeeeaeneeeeeeaeeeaeees 15 9 Earth Datums sesionar anwar Shand
13. a Leeward Islands Turks Islands 61 NORTH AMERICAN Mean Value CONUS 1927 62 NORTH AMERICAN Cuba 1927 63 NORTH AMERICAN Greenland Hayes Peninsula 1927 64 NORTH AMERICAN Mexico 1927 65 NORTH AMERICAN San Salvador Island 1927 66 NORTH AMERICAN Alaska Canada Central America CONUS Mexico 1983 67 NAPARIMA BWI Trinidad and Tobago 68 NAHRWAN Masirah Island Oman 69 NAHRWAN Saudi Arabia 70 NAHRWAN United Arab Emirates 71 OBSERVATORIO 1966 Corvo and Flores Islands Azores 72 OLD EGYPTIAN Egypt 73 OLD HAWAIIAN Mean Value 74 OMAN Oman 75 PICODE LAS NIEVES Canary Islands 76 PITCAIRN ASTRO 1967 Pitcairn Island 77 PUERTO RICO Puerto Rico Virgin Islands 78 QATAR NATIONAL Qatar 79 QORNOQ South Greenland 80 REUNION Mascarene Island 81 ROME 1940 Sardinia Island 82 IRT 90 Sweden 83 PROVISIONAL SOUTH Bolivia Chile Colombia Ecuador Guyana Peru Venezuela AMERICAN 1956 Rikaline Marketing Corp Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Specifications subject to change without prior notice 17 5F 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Rikaline 84 SOUTH AMERICAN Argentina Bolivia Brazil Chile Colombia Ecuador Guyana 1969 Paraguay Peru Venezuela Trinidad and Tobago 85 SOUTH ASIA Singapore 86 PROVISIONAL SOUTH South Chile CHILEAN 1963 87 SANTO DOS Espiri
14. a ii ld 16 5J Earth DANOS eiii 16 6 Ordering Information iiooccooimiaciontasinitaric oscar neoeddandsanandeendnucaadascaanecaas 19 6 1 Products Options ooococcccccnccnnccnncnnncnnnonnnonn con cnn non nn nn nn nro nn nn nono E EELEE EEEE nenn ninos 19 6 2 ACCC SCONES ia alada 19 a AA nn en ee eee eee eer Pree 19 T Warranty ii A A aia TE 19 Specifications subject to change without prior notice 2 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Rikaline 1 Introduction 1 1 Overview The Rikaline GPS 22 GPS Receiver is a GPS receiver featuring the revolutionary FirstGPS architecture This complete enabled GPS receiver module provides high position and speed accuracy performances as well as high sensitivity and tracking capabilities in urban canyon conditions The solution enables small form factor package The GPS 22 delivers major advancements in GPS performances accuracy integration computing power and flexibility It is designed to simplify the embedded system integration process This positioning application meets strict needs such as car navigation mapping surveying agriculture and so on Only clear view of sky and certain power supply are necessary to the unit GPS 22 communicates with other electronic utilities via compatible dual channel through RS 232 or TTL and saves critica
15. d with a checksum delimiter character e QUERY sentence to send a query sentence no data fields are transmitted The following format is used PXEMQaa hh RESPONSE sentence to QUERY for a query sentence a response sentence with all fields is transmitted The following format is used PXEMRaa x1 x2 x3 x4 xXN hh e SET sentence to send a set sentence x1 xN must contain valid values The following format is used PXEMSaa x1 x2 x3 x4 xN hh RESPONSE sentence to SET for a set sentence a status response sentence is transmitted The following format is used PXEMRaa s hh where s is the status of the requested action A if the action was successful V otherwise The following proprietary NMEA sentence identifiers are implemented 4 3 2 2 DI Diagnostic Message optional This sentence outputs a diagnostic string It is used to report various error conditions This is a response only sentence PXEMRDI ccccccc hh where ccccccc is a diagnostic string up to 50 characteristics 4 3 2 3 NM Sentence Mask and Automatic Output Rate This sentence configures the application to automatically output standard NMEA sentences at a specified time interval PXEMaNM xxxx xx hh Name Example Units Description Message ID PXEMaNM Proprietary NM protocol header a mode S set R response Mask 0008 xxxx Output sentence mask hex value see Notes belo
16. e year from the date of purchase Any failure of this product within this period under normal conditions will be replaced art no charge to the customers Specifications subject to change without prior notice 19 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw
17. gnored to compute the solution DOP Mask 12 Max Dilution Of Precision to accept the solution PDOP Switch 6 Max Position DOP 4 4 3 FILTER configuration Kalman Filter 4 4 4 OFFSET configuration 4 4 5 NMEA configuration NMEA sentences GGA GSA GSV RMC 4 4 6 APPlication settings Protocol Output Port 9600 bauds 8 bits data 1 start 1 stop no parity Week epoch 1024 The offset number of 1024 week periods since 6 January 1980 Setting to 1024 includes all dates between August 22 1999 and March 2019 4 5 Application Information 4 5 1 Antenna recommendation Power supply voltage 2 7 3 6 V Frequency range 1 575 42 1 023MHz LNA Gain 27 dB at 3 0 V LNA NF 1 1 dB at 3 0 V Antenna and LNA total Gain 25 dBi Max at 3 0 V Specifications subject to change without prior notice 15 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Rikaline 5 Earth Datums 5 1 Earth Datums The following is a list of the GPS 22 earth datum index and the corresponding earth datum name Item Datum Reference Ellipsoid O ADINDAN Ethiopia Mali Senegal Sudan 1 AFGOOYE Somalia 2 JAIN EL ABD 1970 Bahrain Island Saudi Arabia 3 ANNA 1 ASTRO 1965 Cocos Island 4 ARC 1950 Botswana Lesotho Malawi Swaziland Zaire Zaire Zambia Zimbab
18. hange without prior notice 7 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Rikaline 4 Software Interface The GPS 22 interface protocol is based on the National Marine Electronics Association s NMEA 0183 ASC Il interface specification which is defined in NMEA 0183 Version 2 1 and the Radio Technical Commission for Maritime Services RTCM Recommended Standards For Differential Navstar GPS Service Version 2 1 RTCM Special Committee No 104 4 1 NMEA Transmitted Messages The GPS 22 outputs data in NMEA 0183 format as defined by the National Marine Electronics Association NMEA Standard The default communication parameters for NMEA output are 9600 4800 baud 8 data bits stop bit and no parity Table 4 1 NMEA 0183 Output Messages NMEA Record Description GPGGA Global positioning system fixed data GPGLL Geographic position latitude longitude GPGSA GNSS DOP and active satellites GPGSV GNSS satellites in view GPRMC Recommended minimum specific GNSS data GPVTG Course over ground and ground speed GPZDA Date amp Time 4 1 1 Global Positioning System Fix Data GGA GPGGA 161229 487 3723 2475 N 12158 3416 W 1 07 1 0 9 0 M 0000 18 Table 4 2 GGA Data Format
19. ion fix has been calculated information about valid position velocity and time is transmitted over the output channel The GPS 22 utilizes initial data such as last stored position date time and satellite orbital data to achieve maximum acquisition performance If significant inaccuracy exists in the initial data or the orbital data is obsolete it may take more time to achieve a navigation solution The FirstGPS architecture provides superior performance However acquisition performance can be improved as the host system initializes the GPS 22 in the following situation 1 Moving further than 500 kilometers 2 Failure of Data storage due to the inactive memory power back up 2 2 Navigation After the acquisition process is complete the GPS 22 sends valid navigation information over output channels These data include Latitude longitude altitude Velocity Date time Error estimates Satellite and receiver status aRWN The GPS 22 sets the default of auto searching for real time differential corrections in RTCM SC 104 standard format with the message types 1 2 or 9 It accomplishes the satellite data to generate a differential DGPS solution The host system at its option may also command the GPS 22 to output a position whenever a differential solution is available Specifications subject to change without prior notice 5 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 8
20. l satellite data in built in memory backup With low power consumption the GPS 22 tracks up to 8 satellites at a time re acquires satellite signals in 100 ms and updates position data every second 1 2 Features The GPS 22 provides a host of features that make it easy for integration and use Position accuracy in lt 3m CEP 50 or lt 5m CEP 90 without SA horizontal Ultra low power 17mA typical tracking at 3 3 Volts full power High sensitivity to 173 dBW tracking superior urban canyon performances Small form factor and low cost solution Ready to plug solution Easily integrated into existing systems On board RAM for GPS navigation data PPS output User may have different interval setting from 1 second to 1 minute Differential capability utilizes real time RTCM corrections producing lt 1 meter position accuracy FLASH based program memory New setting is stored permanently 0 Positioning display status A LED indicator could be installed to provides users visible positioning status LED ON when power connected and BLINKING when positioned No more extra device needed SOONOORWN gt 1 3 FirstGPS Architecture Highlights 1 3 1 a ndustry Leading GPS Performance Builds on high performance FirstGPS core Satellite signal tracking engine to perform GPS acquisition and tracking functions without CPU intervention High sensitivity to 143 dBm tracking superior urban canyon performances Position accu
21. pdate rate 1 second 3 Acquisition time Reacquisition 0 1 sec 90 Hot start 10 sec 90 Warm start 42 sec 90 Cold start 120 sec 90 4 Position accuracy Non DGPS Differential GPS Position lt 3m CEP 50 or lt 5 m CEP 90 Velocity 0 1 meters second Time 1 microsecond synchronized GPS time DGPS Differential GPS Position lt 1 m typical Velocity 0 05 meters second typical 5 Dynamic Conditions Altitude 18 000 meters 60 000 feet max Velocity 515 meters second 1000 knots max Acceleration 4 G max Jerk 20 meters second max 1 5 6 Interfaces 1 Dual communication channel TTL or RS232 levels with user selectable baud rate 2400 4800 Default 9600 19200 38400 57600 115200 2 NMEA 0183 Version 2 1 ASCII output GGA GLL GSV GSA RMC VTG ZDA 3 Real time Differential Correction input RTCM SC 104 message types 1 2 and 9 Specifications subject to change without prior notice 4 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Rikaline 2 Operational characteristics 2 1 Initialization As soon as the initial self test is complete the GPS 22 begins the process of satellite acquisition and tracking automatically Under normal circumstances it takes approximately 120 seconds to achieve a position fix 42 seconds if ephemeris data is known After a posit
22. racy lt 3m CEP 50 without SA horizontal Warm Start is under 42 seconds 90 Hot Start is under 10 seconds 90 1 3 2 Low Power Ultra low power integrated circuit design optimized RF and DSP architectures Further power saving thanks to 4 different power down mode 1 4 Application 1 Car Navigation 2 Mapping 3 Surveying 4 Agriculture 5 Palmtop Laptop PDA 6 Location Based Services enabled devices 7 Asset management tracking 8 Handheld receivers 1 5 Technology specifications 1 5 1 Physical Dimension Remark FirstGPS is the trademark from Trimble Specifications subject to change without prior notice 3 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Rikaline 1 Size 31 59 W x 26 59 D x 11 20 H mm 1 24 W x 1 05 D x 0 44 H 2 Weight 25g 1 5 2 Environmental Characteristics 1 Operating temperature 40 C to 85 C internal temperature 2 Storage temperature 55 C to 100 C 1 5 3 Electrical Characteristics 1 Input voltage 3 0 3 65 VDC 2 HFL antenna connector Active or patch 3 0V antenna is recommended 1 5 4 Functional Block Diagram PVT BOARD INTERFACE APPLICATION RF PQ dl GPS API DOWN BASEBAND CONVERTER PROCESSOR FirstGPS SOFTWARE Active Antenna 1 5 5 Performance 1 Tracks up to 8 satellites 2 U
23. rietary NMEA sentences have the following structure Paaaxxxxxxxxxxxxx hh where aaa mnemonic code XEM in our case xxxxxxxxx data hh sentence checksum Two types of input sentences are defined query and set Query sentences request certain information from the receiver Set sentences allow configuring the receiver with certain configuration parameters or forcing the receiver to perform a specific action For each type of input sentences a corresponding output response sentence is defined For a query sentence the response sentence contains requested data For a set sentence the response sentence contains the status of the action requested in the set sentence Taking these aspects into account the following is the general structure of the specific NMEA sentence PXEMmaa x1 x2 x3 x4 xN hh Specifications subject to change without prior notice 11 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Rikaline where m sentence type Q for query S for set R for response aa proprietary sentence identifier see below x1 xN data parameters only for set and query response sentences hh sentence checksum NOTE Each of the data parameters must be preceded with a comma except for the aa sentence identifier Ow and the checksum which is precede
24. to Santo Island 88 ISAO BRAZ Sao Miguel Santa Maria Islands Azores 89 SAPPER HILL1943 East Falkland Island 90 SCHWARZECK Namibia 91 SOUTHEAST BASE Porto Santo and Madeira Islands 92 SOUTHWEST BASE Faial Graciosa Pico Sao Jorge and Terceira Islands Azores 93 TIMBALAI 1948 Brunei and East Malaysia Sarawak and Sabah 94 TOKYO Japan Korea Okinawa 95 TRISTAN ASTRO 1968 Tristan da Cunha 96 JUSER DEFINED EARTH DATUM 97 VITILEVU 1916 Viti Levu Island Fiji Islands 98 WAKE ENIWETOK 1960 Marshall Islands 99 WORLD GEODETIC SYSTEM 1972 100 WORLD GEODETIC SYSTEM 1984 101 ZANDERIJ Surinam 102 CH 1903 Switzerland 103 HU TZU Shan 104 INDONESIA 74 105 AUSTRIA 106 POTSDAM 107 TAIWAN Modified Hu Tzu Shan Specifications subject to change without prior notice 18 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Rikaline 6 Ordering Information 6 1 Products Options 6 1 1 GPS Receiver Module GPS 22 6 2 Accessories A 10302 F FHL Active Antenna 2M A 10305 F FHL Active Antenna 5M 6 3 Other Products CF GPS GPS 6020 GPS Receiver GPS 6010 GPS 6010 E 705 EM 9090 7 Warranty The GPS 22 series products are warranted to be free from defects in material and functions for on
25. w Rate 01 sec xx Automatic output sentence rate 00 to 99 lt CR gt lt LF gt End of message termination Notes xxxx is a hexadecimal value representing a 2 byte bit mask where a specific bit sets or clears automatic output of a particular NMEA sentence according to the table below The mask is derived by combining all bits which represents the NMEA sentences which will be automatically output For example to automatically output GGA GSA ZDA and RMC the bits 0 4 5 and 8 are set to 1 in a 2 byte mask resulting in a hex value 0x131 0x1 0x10 0x20 0x100 This value is sent as an ASCII string 0131 in the xxxx field of the NM sentence NMEA XXXX Sentence _ Bit Field value GGA 0 0001 GLL 1 0002 VTG 2 0004 GSV 3 0008 Specifications subject to change without prior notice 12 Rikaline Marketing Corp SF 1 125 Roosevelt Road Sec 5 Taipei Taiwan 116 Tel 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rikaline com tw Rikaline GSA 4 0010 ZDA 5 0020 RMC 8 0100 TF 9 0200 Example PXEMSNM 0008 01 6E set PXEMSNM a 6E response to set a action status A success V failure 4 3 2 4 PS Pulse Per Second Configuration This sentence sets the pulse per second PPS output on or off This is a set only sentence PXEMaPS x hh Name Example Units Description Message ID PXEMaPS Proprietary PS protocol header a mode S set R
26. we 5 IARC 1960 Kenya Tanzania 6 Ascension Island 1958 Ascension Island 7 ASTRO BEACON E Iwo Jima Island 8 AUSTRALIAN Australia Tasmania Island GEODETIC 1966 9 AUSTRALIAN Australia Tasmania Island GEODETIC 1984 10 ASTRO DOS 71 4 St Helena Island 11 ASTRONOMIC Marcus Island STATION 1952 12 ASTRO B4 SOROL Tern Island ATOLL 13 BELLEVUE IGN Efate and Erromango Islands 14 BERMUDA 1957 Bermuda Islands 15 BOGOTA Colombia OBSERVATORY 16 CAMPO INCHAUSPE Argentina 17 CANTON ASTRO 1966 Phoenix Islands 18 CAPE CANAVERAL Florida Bahama Islands 19 CAPE South Africa 20 CARTHAGE Tunisia 21 CHATHAM 1971 Chatham Island New Zealand 22 CHUA ASTRO Paraguay 23 CORREGO ALEGRE Brazil 24 DJAKARTA BATAVIA Sumatra Island Indonesia 25 DOS 1968 Gizo Island New Georgia Islands 26 EASTER ISLAND 1967 Easter Island 27 EUROPEAN 1950 Austria Belgium Denmark Finland France Germany Gibraltar Greece Italy Luxembourg Netherlands Norway Portugal Spain Sweden Switzerland 28 EUROPEAN 1979 Austria Finland Netherlands Norway Spain Sweden Switzerland 29 FINLAND HAYFORD Finland 1910 30 GANDAJIKA BASE Republic of Maldives 31 GEODETIC DATUM New Zealand 1949 32 ORDNANCE SURVEY Englanad Isle of Man Scotland Shetland Islands Wales OF GREAT BRITAIN 1936 33 GUAM 1963 Guam Island 34 GUX 1 ASTRO Guadalcanal Island
Download Pdf Manuals
Related Search