Holux GR-213U User's Manual
Contents
1. 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 20 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 5 6 Mode 1 Value Description M Manual forced to operate in 2D or 3D mode A 2DAutomatic allowed to automatically switch 2D 3D Table 5 7 Mode 2 Value Description 1 Fix Not Available 2 2D 3 3D 5 1 4 GNSS Satellites in View GSV Table 5 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 5 8 GSV Data Format Name Example Units Description 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 JRangeO to 99 null when not tracking Satellite ID 27 Channel 4 Range 1 to 32 Elevation 22. Backup power 3V Rechargeable Lithium cell battery up to 500 hours discharge 1 3 4 Performance 1 Tracks up to 20 satellites 2 Update rate 1 second 3 Acquisition time Reacquisition 0 1 sec averaged Hot start 8 sec averaged Warm start 38 sec averaged Cold start 42 sec averaged 4 Position accuracy A Non DGPS Differential GPS Position 5 25 meter CEP without SA Velocity 0 1 meters second without SA Time 1 microsecond synchronized GPS time HOLUX B EGNOS WAAS Beacon Position lt 2 2 meters horizontal 95 of time lt 5 meters vertical 95 of time 5 Dynamic Conditions Altitude 18 000 meters 60 000 feet max Velocity 515 meters second 700 knots max Acceleration 4 G max Jerk 20 meters second max 1 3 5 USB Interfaces 1 USB interface with user selectable baud rate 4800 Default 9600 19200 38400 2 NMEA 0183 Version 2 2 ASCII output GGA GSA GSV RMC option GLL VTG ZDA 3 SiRF binary protocol 2 Operational characteristics 2 1 Initialization As soon as the initial self test is complete the GR 213U begins the process of satellite acquisition and tracking automatically Under normal circumstances it takes approximately 42 seconds to achieve a position fix 38 seconds if ephemeris data is known After a position fix has been calculated information about valid position velocity and time is transmitted over the output channel The GR 213U utilizes initial data such as
3. 7 degrees Channel 4 Maximum 90 Azimuth 138 degrees Channel 4 True Range 0 to 359 SNR C No 42 dBHz JRangeO to 99 null when not tracking Checksum 71 lt CR gt lt LF gt End of message termination HOLUX 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 m fields will be null if unused 5 1 5 Recommended Minimum Specific GNSS Data RMC Table 5 9 contains the values for the following example GPRMC 161229 487 A 3723 2475 N 12158 3416 W 0 13 309 62 120598 10 Table 5 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 1 degrees E east or W west Checksum 10 lt CR gt lt LF gt End of message termination 1 SIRF Technology Inc does not support magnetic declination All course over ground data are geodetic WGS84 directions 5 1 6 Course Over Ground and Ground Speed VTG Table 5 10 contains the values for the following example G
4. HOI UX GR 213U GPS Receiver Dec 25 2005 Rev A HOLUX Technology Inc 1F No 30 R amp D Rd Il Hsinchu City Science based Industrial Park Taiwan Phone 886 3 6687000 Fax 886 3 6687111 E Mail info holux com tw Web www holux com All Right Reserved 1 Introduction 1 1 Overview e eennnnezennnnnnenznznn 1 2 Features 1 3 Technology specifications 2 Operational characteristics 2 1 Initialization 0 nn 2 2 Navigation miksi ia iikiaz sirena 3 Hardware interface 3 1 DIMENSION eee nnnnnn 3 2 Hardware Connection 4 USB Driver 4 1 System Requirements 4 2 Installation 4 3 Important 5 Software Interface 5 1 NMEA Transmitted Messages 6 Warranty i uruna ant oibianani HOLUX 1 Introduction 1 1 Overview HOLUX GR 213U Smart GPS Receiver is a total solution GPS receiver designed based on SiRF Star III Architecture This positioning application meets strict needs such as car navigation mapping surveving security agriculture and so on Only clear view of sky and certain power supply are necessary to the unit It communicates with other electronic utilities via compatible dual channel through USB interface and saves critical satellite data by built in backup memory With low power consumption the GR 213U tracks up to 20 satellites at a time re ac
5. PVTG 309 62 T M 0 13 N 0 2 K 6E Table 5 10 VTG Data Format Name Example Units Description Message ID GPVTG VTG protocol header Course 309 62 degrees jMeasured heading Reference T True Course degrees jMeasured heading Reference M Magnetic 1 Speed 0 13 knots JMeasured horizontal speed Units N Knots Speed 0 2 km hr Measured horizontal speed Units K Kilometers per hour Checksum 6E lt CR gt lt LF gt End of message termination 1 SIRF Technology Inc does not support magnetic declination All course over ground data are geodetic WGS84 directions 5 1 7 ZDA SiRF Timing Message Outputs the time associated with the current 1 PPS pulse Each message will be output within a few hundred ms after the 1 PPS pulse is output and will tell the time of the pulse that just occurred Table 5 11 contains the values for the following example GPZDA 181813 14 10 2003 00 00 4F HOLUX Table 5 11 ZDA Data Format Name Example Units Description Message ID GPZDA ZDA protocol header UTC Time 181813 Either using valid IONO UTC or estimated from default leap seconds Day 14 01 TO 31 Month 10 01 TO 12 Year 2003 1980 to 2079 Local zone hour 00 knots _ Offset from UTC set to 00 Local zone hour 00 Offset from UTC set to 00 Checksum 4F lt CR gt lt LF gt End of message termination 6 Warranty The GR 213U is warranted t
6. ace The GR 213U interface protocol is based on the National Marine Electronics Association s NMEA 0183 ASC II interface specification which is defined in NMEA 0183 Version 2 2 and the Radio Technical Commission for Maritime Services RTCM Recommended Standards For Differential Navstar GPS Service Version 2 1 RTCM Special Committee No 104 Type 1 2 9 or WAAS in USA area or EGNOS in European area 5 1 NMEA Transmitted Messages The GR 213U supported by SIRF Technology Inc also outputs data in NMEA 0183 format as defined by the National Marine Electronics Association NMEA Standard The default communication parameters for NMEA output are 4800 baud 8 data bits stop bit and no parity Table 5 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 IRecommended minimum specific GNSS data GPVTG Course over ground and ground speed 5 1 1 Global Positioning Svstem Fix Data GGA Table 5 2 contains the values for the following example GPGGA 161229 487 3723 2475 N 12158 3416 W 1 07 1 0 9 0 M 0000 18 Table 5 2 GGA Data Format HOLUX Name Example Units Description Message ID GPGGA GGA protocol header UTC Time 161229 487 hhmmss sss La
7. 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 GR 213U Auto locate feature is capable of automatically determining a navigation solution without intervention from the host system However acquisition performance can be improved as the host system initializes the GR 213U in the following situation 1 Moving further than 500 kilometers 2 Failure of data storage due to the inactive internal memory battery 2 2 Navigation After the acquisition process is complete the GR 213U sends valid navigation information over output channels These data include Latitude longitude altitude Velocity Date time Error estimates Satellite and receiver status IDUS HOLUX 3 Hardware interface 3 1 Dimension a _ i are qa o SEE N gt mM 0 i USB A j CT W LL Ji a q t 3 2 Hardware Connection 1 The GR 213U includes an antenna in a unique style waterproof gadget With the USB connector you can easily access to your notebook PC or other USB devices 2 USB connector The USB A Type is equipped with GR 213U The function definition is as follows Pin Signal Name 1 5V 2 D 3 D 4 Ground HOLUX 4 USB Driver 4 1 System Requirements IBM Penti
8. o be free from defects in material and functions for one year from the date of purchase Any failure of this product within this period under normal conditions will be replaced at no charge to the customers 10
9. quires satellite signals in 100 ms and updates position data every second Trickle Power allows the unit operates a fraction of the time and Push to Fix permits user to have a quick position fix even though the receiver usually stays off 1 2 Features The GR 213U provides a host of features that make it easy for integration and use 1 SiRFstarlll chipset with embedded ARM7TDMI CPU available for customized applications in firmware 2 High performance receiver tracks up to 20 satellites while providing first fast fix and low power consumption 3 Compact design ideal for applications with minimal space 4 A rechargeable battery sustains internal clock and memory The battery is recharged during normal operation Users can adjust power saving percentage 20 80 which achieves the best power efficiency User initialization is not required LED display status The LED provides users visible positioning status LED ON when power connected and BLINKING when GR 213U got positioned 8 Water proof design for industry standard NON 1 3 Technology specifications 1 3 1 Physical Dimension Single construction integrated antenna receiver Size 64 5 x 42 x 17 8 mm 2 54 x 1 65 x 0 7 Inch 1 3 2 Environmental Characteristics 1 Operating temperature 40 C to 80 C internal temperature 2 Storage temperature 45 C to 100 C 1 3 3 Electrical Characteristics 1 Input voltage 4 5 5 5 VDC without accessories 2
10. titude 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 20 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 JNull fields when DGPS is not used Diff Ref Station ID 0000 Checksum 18 lt CR gt lt LF gt End of message termination Table 5 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 5 1 2 Geographic Position with Latitude Longitude GLL Table 5 4 contains the values for the following example GPGLL 3723 2475 N 12158 3416 W 161229 487 A 2C Table 5 4 GLL Data Format Name Example Units Description Message ID GPGLL GLL protocol header Latitude 3723 2475 ddmm mmmm N S Indicator N N S Indicator N N north or 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 5 1 3 GNSS DOP and Active Satellites GSA Table 5 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 5 5 GSA Data Format HOLUX
11. um compatible PC and above 16 MB memory and above Windows 98 Me 2000 XP VGA Graphic Adapter 4 2 Installation 1 Copy the lt GR 213U gt English gt USB Driver PWin98 2k XP gt USB V2 1 0 exe from CD to hard disk 2 Install USB V2 1 0 exe 3 Plug the GR 213U USB connector into the computer the computer will search plug and play P amp P device automatically and the installation of GR 213U USB Driver is complete 4 3 Important Verify the COM port to start using your own navigating software 1 Click lt Start gt menu select lt Settings gt then enter lt Control Panel gt 2 After entering lt Control Panel gt select lt System gt 3 Select lt Device Manager gt 4 Find the lt Connect port gt and check the Virtual COM Port which was created by the USB driver Please note that the Virtual COM Port number might be different from every computer Before using navigating software please confirm the COM Port numbers created by your computer and provided by your navigation software Otherwise the navigating software won t receive the satellite signal because of the un match COM Port setting sign represents the COM port number that being created by USB port Usually the value will be COMI in normal navigation software So the correct COM port of the navigation software needs to be the same as the one in PC that created by USB port and then the navigation is able to receive correct data 5 Software Interf
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