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Re: [gpsd-dev] PPS over USB

From: Chris Kuethe
Subject: Re: [gpsd-dev] PPS over USB
Date: Wed, 2 May 2012 13:07:36 -0700

On Wed, May 2, 2012 at 12:53 PM, Gary E. Miller <address@hidden> wrote:
> On Wed, 2 May 2012 07:11:07 -0500 Jim Thompson <address@hidden> wrote:
>> tl;dr: One bird won't do.
> And in fact gpsd knows this and refuses to use the time until several
> 2D fixes have been sent from the GPS.  That is per the Garmin
> recommendation.

I should probably test gpsd's opinion on this.

I have a few timing receivers that will, after running a site survey,
operate with only a single PRN in track. I believe the NMEA output
claims it's operating in 3D mode, and there's some status bit in the
binary protocol to say "well, actually it's in fixed-position timing

GDB has a 'break' feature; why doesn't it have 'fix' too?

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