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Position Fix Indicator = 6 in GGA / $GPGGA sentences

Started by Horsa, November 02, 2010, 09:21:53 AM

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Horsa

I get Position Fix Indicator = 6 in GGA / $GPGGA sentences: what does it mean?

As of NMEA version 2.3 (and later), the Position Fix Indicator field in NMEA GGA / $GPGGA sentences can also take the value of 6 = "Dead Reckoning Mode, fix valid".

See here for further reference:
  http://www.gpsinformation.org/dale/nmea.htm#GGA
 
Quote
   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