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[gpsd-dev] Querying for information available on GPGGA GPRMC

From: Eduardo Díaz Comellas
Subject: [gpsd-dev] Querying for information available on GPGGA GPRMC
Date: Fri, 05 Sep 2014 13:19:33 +0200
User-agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130106 Thunderbird/17.0.2


I'm using gpsd with a generig NMEA gps.  The gps is configured to output GPGGA and GPRMC frames each second. Using gpsmon I can see that frames are being received correctly. 

(71) $GPRMC,095843.50,V,4214.8592510,N,00842.5284740,W,,,050914,0.0,E,N*37\x0d\x0a
(79) $GPGGA,095844.00,4214.8585,N,00842.5285,W,2,04,9.9,12.75,M,55.80,M,01,0001*43\x0d\x0a

gpsmon is decoding the NMEA frames itself, not using the json interface to gpsd.

If I use the json interface (I've followed several examples in python), I loose some information (number of satellites, age of the differential corrections, name of the ), because that information is not sent in the TPV json message.

How can I query for that information?


Eduardo Diaz Comellas address@hidden -- Ultreia Comunicaciones S.L.
Tlf: 986243324 -- Skype: ultreiavigo

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