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Re: [gpsd-dev] gpsmon flickering when using ntrip and serial gps in gpsd


From: Hal Murray
Subject: Re: [gpsd-dev] gpsmon flickering when using ntrip and serial gps in gpsd
Date: Wed, 25 May 2016 00:38:29 -0700

address@hidden said:
> when using a gps attached over serial and a ntrip source for correctional
> data, gpsmon shows roughly half a second the actual position information,
> etc. and then it shows only the field names, not the values.

> I guess this is because it cannot display the messages from the ntrip (which
> it is only relaying to the gps over serial), and they are "disturbing".

I'm not a wizard, but I've seen similar quirks when gpsmon had two normal GPS 
devices.  One was running in binary mode the other in NMEA mode.  The display 
would alternate between the two.

I think you can select the device you want to watch with something like:
   $ gpsmon localhost:/dev/ttyS1
where the ttyS1 has to match one of the devices on the gpsd command line.

The details are in the gpsmon man page.



-- 
These are my opinions.  I hate spam.






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