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GPS Product series With HOLUX, You never lose the way! GR-87 GPS Engine Board User’s Guide Feb. 21, 2006 Version A O UX Technology Inc. 1F, No. 30, R&D Rd. II, Hsinchu City 300, Science-based Indu...
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GPS Product series With HOLUX, You never lose the way! TABLE OF CONTENTS 1.Introduction ...................................................................................................3 2. Main Fea...
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GPS Product series With HOLUX, You never lose the way! 1.Introduction The GR-87 series consists of Si RF star III chipsets technology, LNA and proprietary software. The system function block is descri...
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GPS Product series With HOLUX, You never lose the way! 2. Main Feature Build on high performance Si RF Star III chipset. Average Cold Start time and under 45 seconds. Low power consumption 20 channels...
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GPS Product series With HOLUX, You never lose the way! 3. Technical Specifications 3.1. Electrical Characteristics 3.1.1 General 1). Frequency：L1, 1575.42 MHz. 2). C/A code：1.023 MHz chip rate. 3). Ch...
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GPS Product series With HOLUX, You never lose the way! 3.1.7 RF interface 1). Antenna connector type: MMCX, 2.8 VDC output. (optional output VCC_IN) 2). Minimum signal tracked: -159 d Bm. 3.1.8 Serial...
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GPS Product series With HOLUX, You never lose the way! 4. Software Interface The GR-87 interface protocol is based on the National Marine Electronics Association's NMEA 0183 ASC interface specificatio...
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GPS Product series With HOLUX, You never lose the way! GPVTG Course over ground and ground speed Radio-beacon Signal-to-noise ratio, signal strength, GPMSS frequency, etc. GPZDA PPS timing message (sy...
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GPS Product series With HOLUX, You never lose the way! 3 GPS PPS Mode, fix valid 4.1.2 Geographic Position with Latitude/Longitude(GLL) Table 4-4 contains the values for the following example: $GPGLL,...
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GPS Product series With HOLUX, You never lose the way! Checksum *33 <CR> <LF> End of message termination 1. Satellite used in solution. Table 4-6 Mode 1 Value Description M Manual—forced t...
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GPS Product series With HOLUX, You never lose the way! SNR (C/No) 42 d BHz Range 0 to 99, null when not tracking Checksum *71 <CR> <LF> End of message termination (1). Depending on the num...
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GPS Product series With HOLUX, You never lose the way! Table 4-10 VTG Data Format Name Example Units Description Message ID $GPVTG VTG protocol header Course 309.62 degrees Measured heading Reference ...
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GPS Product series With HOLUX, You never lose the way! 4.1.8 ZDA—Si RF Timing Message Outputs the time associated with the current 1 PPS pulse. Each message will be output within a few hundred ms afte...
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GPS Product series With HOLUX, You never lose the way! 4.3 . Manufacturing Default: Parameter Com A Com B Input Protocol NMEA Binary RTCM SC-104 Output Protocol NMEA Binary None Baud Rate 4800 9600 Pa...
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GPS Product series With HOLUX, You never lose the way! 5. Mechanical Dimensions 5.1 . GR-87-T0A, GR-87-T0C outline: Picture MMCX Active Ant connector J1 Connector Pin 1 Design Layout Diagram: (unit mm...
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GPS Product series With HOLUX, You never lose the way! 5.2 . GR-87-T0B, GR-87-T0D outline: Picture MMCX Active Ant connector J1 Connector Pin 1 Design Layout Diagram: (unit mm) HOLUX Technology, Inc. ...
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GPS Product series With HOLUX, You never lose the way! 5.3 . Pin assignment of connector : Table 5-1 is pin list of the 6-Pin Interface Connector. Connector is Male header 1.25mm pitch DIP R/A type. A...
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GPS Product series With HOLUX, You never lose the way! 5.3.6 TIMEMARK (default)/ RESET (option) This pin default is provides 1 pulse per second output from the GR-87 engine board, which is synchronize...
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GPS Product series With HOLUX, You never lose the way! 6. Operation and Test The customers can use HOLUX GPSView.exe to test the engine board. GPSViewer.exe is compatible with Microsoft Pocket PC or o...
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GPS Product series With HOLUX, You never lose the way! 4) Open “GPSViewer” on PC, as Fig. 6.3. (Fig. 6.3) 5) The following window is show after executing 6) GPSViewer, as Fig. 6.4. (Fig. 6.4) 7) Setup...
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GPS Product series With HOLUX, You never lose the way! 8) Select “GPS Status” to show the satellite diagram like below, as Fig. 6.8. (Fig. 6.8) HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu ...
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GPS Product series With HOLUX, You never lose the way! 7. Ordering Information 7.1 Products Options Output Level RF interface Back-up battery RF Power Model No. (CMOS 3V or output voltage (V) (Recharg...
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GPS Product series With HOLUX, You never lose the way! Appendix A : Reference Design Fig A-1 is GR-87 connects to RS-232 transceiver solutions intended for portable or hand-held applications such as n...
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GPS Product series With HOLUX, You never lose the way! Interface connector: Male header 1.25mm pitch DIP R/A type. HOLUX Technology, Inc. 1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science ...
