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Re: COEX GPS (model UBX-M8030 IC) on Raspberry Pi 4 Model B 2018 connect

From: Gary E. Miller
Subject: Re: COEX GPS (model UBX-M8030 IC) on Raspberry Pi 4 Model B 2018 connection issues
Date: Thu, 5 Aug 2021 12:26:51 -0700

Yo Aranza!

On Thu, 5 Aug 2021 01:10:28 -0500
Aranza Shaccid Leon <> wrote:

> I’ve downloaded the gpsd version 3.23~rc1 and I’ve built and
> installed it so I can access it in any shell.

Good.  Did you actually run gpsd?  If so how?

> Cgps, gpscsv, and
> gpsmon do show up but no information is gathered into these programs.

Sounds like you forgot to run gpsd.  Check this way, as root:

    ps ax | sed -nE '1p;/gpsd/p'
> I have waited until they have timed out, but the issue is that I have
> no device attached to the gpsd.

gpsd will not start without a connected GNSS receiver.

> I’ve checked that /dev/gps0 is
> producing NMEA sentences which it does and I’ve also attempted to use
> gpsd -n /dev/gps0 but this still did not attach to the gpsd program.

Run that with debug enabled, as root, it will tell you the problem:

        gpsd -nND 4 /dev/gps0

> May I ask for any suggestions on how I should connect gpsd to the
> port /dev/gps0?

This way, as root: gpsd -n /dev/gps0

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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