I was wondering if anyone has a decent interface to the Adafruit and related receivers for Linux? By that, i mean something like the Windows tools that Globaltop provides, or even just the ability to separate out the responses to the PMTK commands from the NMEA traffic.
Bob - AE6RV >________________________________ > From: Jim Harman <j99har...@gmail.com> >To: Discussion of precise time and frequency measurement <time-nuts@febo.com> >Sent: Monday, April 28, 2014 2:45 PM >Subject: Re: [time-nuts] New timing receivers? > > >On Mon, Apr 28, 2014 at 1:08 AM, Mark Sims <hol...@hotmail.com> wrote: > >> When I was playing with an Adafruit GPS, it appeared that if it thought >> you were not moving it would go into a pseudo-position-hold mode and the >> output coords would not change. It took it a while to start outputting new >> coords when you started moving again. This test was at walking speeds. I >> had to walk maybe 100 feet before it started sending new coords. > > >The 3339 chip has a command PMTK386 to set its "Nav Speed Threshold." This >is intended to prevent the position from drifting if the unit is >stationary. You can also query the current setting with the PMTK447 >command, and it should respond with a PMTK527. > > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.