1 OVERVIEW Congratulation on your purchase of Altina, which manufacture and provide various GPS applications. Altina’s GGM308 GPS Receiver provides you various applications such as car navigation, marine navigation, mapping, surveying, security, agriculture and so It communicates with device (such as PocketPC or notebook) via compatible dual-channel through RS-232 or TTL and saves satellite data by built–in backup memory.
Differential capability utilizes real-time RTCM corrections to provide 1-5 meter precise position accuracy. FLASH base program memory 3 SPECIFICATION Key Feture Frequency L1, 1575.42 MHz C/A Code 1.023 MHz chip rate Channels Sensitivity -173 dBW Non DGPS (Differential GPS) Position Horizontal 5 to 25 meter CEP, without SA Velocity 0.1 meter/second, without SA...
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Storage Input Voltage +4.75 ~ 5.5 VDC without accessories. Power consumption <80mA at 4.5- 5.5V input Dimension 2.32" x 1.85" x 0.82" (59.32mm x 51.28mm x 20.3mm) Cable Length 60" (1500mm) C to +100...
5. SOFTWARE DATA NMEA 0183 V2.2 Protocol Use RS-232 interface:4800 bps, 8 bit data, 1 stop bit and no parity. 5.1. NMEA Output Message Table 5-1 NMEA-0183 Output Messages NMEA Record GPGGA Global positioning system fixed data GPGLL Geographic position: latitude/longitude GPGSA GNSS DOP and active satellites GPGSV...
Table 5-2 GGA Data Format-continue Name Example Units Geoid Separation Units Age of Diff. Corr. Diff. Ref. Station ID 0000 Checksum <CR> <LF> Table 5-3 Position Fix Indicator Value 0 Fix not available or invalid GPS SPS Mode, fix valid Differential GPS, SPS Mode, fix valid GPS PPS Mode, fix valid 5.3.
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5.4. GNSS DOP and Active Satellites (GSA) Table 5-4 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 Name Example Message ID $GPGSA Mode 1 Mode 2 Satellite Used(1) Satellite Used(1) Satellite Used PDOP HDOP...
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5.5. 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 Message ID $GPGSV Number of Messages Message Number Satellites in View Satellite ID Elevation Azimuth SNR (C/No) Satellite ID Elevation Azimuth...
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Table 5-9 RMC Data Format Name Example Message ID $GPRMC UTC Time 161229.487 Status Latitude 3723.2475 N/S Indicator Longitude 12158.3416 E/W Indicator Speed Over 0.13 Ground Course Over 309.62 Ground Date 120598 Magnetic Variation(1) Checksum <CR> <LF> NOTE: SiRF Technology Inc. does not support magnetic declination. All “course over ground” data are geodetic WGS84 directions.
(3) damage caused by accident, fire, power changes, other hazards, or acts of God; or (4) use of the product with any non-Altina device or service if such device or service caused the problem.
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D) Obtaining warranty service: Dated proof of original purchase will be required. Products or parts shipped by Customer to Altina must be sent postage-paid and packaged appropriately for safe shipment. Altina is not responsible for Customer products received without a warranty service authorization and may be rejected. Repaired or replacement products become the property of Altina.
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