Discussions

nmea sentences

Posted by Napoleon on July 22, 2014 at 1:02pm

Hello,

I am planning to use a novatel oemv receiver as the GPS for my plane. I am using arduplane 2.78 and APM 2.5

I know that ardupilot is happy even with nmea. The question is which $gp... Sentences are enough to be activated in order to do the job.

Thank you

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gps, nmea, sentences

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Replies

- - John Hutchison > Matt Elias November 6, 2014 at 7:37am
    
    What are you using if not NMEA?
    - Matt Elias > John Hutchison November 6, 2014 at 7:42am
      
      I'm using a uBlox M8N Concurrent GNSS set for UBX messages instead.
      - John Hutchison > Matt Elias November 6, 2014 at 7:47am
        
        I don't run beta/rc, can you still select between GPS format in the parameters screen on 3.2rc11?
John Hutchison July 27, 2014 at 11:51am

I once used the APM2 / Ublox .hex in uCenter to see what the default ardupilot settings were and remember seeing the enabled sentences. I will look again when I get home as navspark is sending me a free gnss/glonass receiver that I want to use for the 2nd gps on my pixhawk and will need to also know this info. Does that receiver do glonass as well? And do you know if the pix/apm2 can use gngsa, glgsa, and glgsv?
- John Hutchison > John Hutchison October 5, 2014 at 7:46pm
  
  I got the g2m1 glonass/gnss receiver from navspark. Haven't tried my ns gl or ns raw units. The g2m1 worked flawlessly, locking in > 20s and hdop lower than 1 with > 15 sv.
- Matt Elias > John Hutchison October 3, 2014 at 4:30pm
  
  I'm interested if you got your NavSpark going. I have two NavSpark GL units and when set to use both GPS and Glonass, it cold boots to a HDOP of 1.4 in 32s. Wait 10s more and I've got a HDOP of 0.6/0.7. I've just started looking into whether or not ArduCopter can connect to a NavSpark.

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