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excersize:m_r:nmea_strings [2012/09/11 17:20] karina |
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====== NMEA Strings ====== | |
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=== GGA - essential fix data which provide 3D location and accuracy data === | |
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$GPGGA,123519,4807.038,N,01131.000,E,1,08,0.9,545.4,M,46.9,M,,*47 | |
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| GGA | Global Positioning System Fix Data|| | |
| 123519 | Fix taken at 12:35:19 UTC|| | |
| 4807.038,N | Latitude 48 deg 07.038' N|| | |
| 01131.000,E | Longitude 11 deg 31.000' E|| | |
| 1 | Fix quality| 0 = invalid| | |
| |::: | 1 = GPS fix (SPS)| | |
| |::: | 2 = DGPS fix| | |
| |::: | 3 = PPS fix| | |
| |::: | 4 = Real Time Kinematic| | |
| |::: | 5 = Float RTK| | |
| |::: | 6 = estimated (dead reckoning) (2.3 feature)| | |
| |::: | 7 = Manual input mode| | |
| |::: | 8 = Simulation mode| | |
| 08 |Number of satellites being tracked|| | |
| 0.9 |Horizontal dilution of position|| | |
| 545.4,M |Altitude, Meters, above mean sea level|| | |
| 46.9,M |Height of geoid (mean sea level) above WGS84 ellipsoid|| | |
| (empty field)|time in seconds since last DGPS update|| | |
| (empty field)|DGPS station ID number|| | |
| *47 |the checksum data, always begins with *|| | |
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=== All Strings === | |
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|[[http://www.gpsinformation.org/dale/nmea.htm#AAM|AAM]] - Waypoint Arrival Alarm| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#ALM|ALM]] - Almanac data| | |
|APA - Auto Pilot A sentence| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#APB|APB]] - Auto Pilot B sentence| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#BOD|BOD]] - Bearing Origin to Destination| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#BWC|BWC]] - Bearing using Great Circle route| | |
|DTM - Datum being used| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#GGA|GGA]] - Fix information| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#GLL|GLL]] - Lat/Lon data| | |
|GRS - GPS Range Residuals| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#GSA|GSA]] - Overall Satellite data| | |
|GST - GPS Pseudorange Noise Statistics| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#GSV|GSV]] - Detailed Satellite data| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#MSK|MSK]] - send control for a beacon receiver| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#MSS|MSS]] - Beacon receiver status information| | |
|RMA - recommended Loran data| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#RMB|RMB]] - recommended navigation data for gps| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#RMC|RMC]] - recommended minimum data for gps| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#RTE|RTE]] - route message| | |
|TRF - Transit Fix Data| | |
|STN - Multiple Data ID| | |
|VBW - dual Ground / Water Spped| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#VTG|VTG]] - Vector track an Speed over the Ground| | |
|WCV - Waypoint closure velocity (Velocity Made Good)| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#WPL|WPL]] - Waypoint Location information| | |
|XTC - cross track error| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#XTE|XTE]] - measured cross track error| | |
|ZTG - Zulu (UTC) time and time to go (to destination)| | |
|[[http://www.gpsinformation.org/dale/nmea.htm#ZDA|ZDA]] - Date and Time | | |