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Re: GPSD doesn't report signal dropout

From: Gary E. Miller
Subject: Re: GPSD doesn't report signal dropout
Date: Tue, 13 Oct 2020 17:15:04 -0700

Yo Tom!

On Wed, 14 Oct 2020 13:04:57 +1300
Tom Isaacson <> wrote:

> You asked me to raise an issue with Quectel, I'm just trying to
> understand what problems there are.

Well, that was a different, earlier, question.  They have a ton of
problems.  But since their NMEA is totally undocumented it is pretty
hard to pin that down.

> So far it just seems to be that
> they're using an old version of NMEA0183

I never said that.  You have said that.  How would you know that?

All I said is that their NMEA is weird, unlike anyone else's NMEA.  So
far it does not look to conform to any NMEA version.

> and not specifying which one? 

They have specified NOTHING about their NMEA.  The NMEA version is just
the smallest starting point.

I do not have a sample, and without doc I'm just guressing by the strange
NMEA sample you sent.

Without doc I can't really say what they are doing correctly or incorrectly.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703  Tel:+1 541 382 8588

            Veritas liberabit vos. -- Quid est veritas?
    "If you can't measure it, you can't improve it." - Lord Kelvin

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