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

From: Aranza Shaccid Leon
Subject: Re: COEX GPS (model UBX-M8030 IC) on Raspberry Pi 4 Model B 2018 connection issues
Date: Tue, 20 Jul 2021 01:24:19 -0500

Hello and good afternoon sir,

Thank you very much for the advice. I’m afraid I’m a bit confused by the instructions though and if I may, I have a few questions:

1) Updating the GPSD version, what new changes would there be and what version should I be changing too?

2) I was reading the update file that was sent where it states : “import gps;print(gps._version_)” I’m assuming if I want gpsd version 3.22, I type  “import gps;print(gps.3version22)”?

3)May I ask what the differences are for system d(root), system d(ilbert), system d(rippy), or system d(dnk)? I’ve attempted to search for this, but I’ve only found information on system d and nothing this specific.

4)Is the older model of gpsd, in any way imposing on its ability to receive GPS data from the connection between the flight controller to the GPS and flight controller to the RPi? If not, is there a way to configure the GPSD to recognize the other devices in ttyACM0 (usb connection of flight controller and RPi). 

5) I will be removing system d by using systemctl as recommending, but may I ask what gpsd docs for the nonsystemd-parts I should use? Is it similar to the bottom portion of this link I found or should the instruction be present in  

I apologize for still not having the gpsdebuginfo,
I’m not sure how to get to root on the RPi as I only ever enter as a normal user. I understand that in some cases sudo should not used, but some instructions I found say that using sudo gpsdebuginfo could work as a root command?

Thank you for your time and consideration,


Sent from my iPhone

On Jul 13, 2021, at 9:13 PM, Gary E. Miller <> wrote:

Yo Charles!

On Tue, 13 Jul 2021 20:05:26 -0600
Charles Curley <> wrote:

As I said, I despise systemd(ilbert).  I have no idea how to
configure it.

Maybe someone else can help with that.  

There is some information on using systemd with gpsd in the gpsd docs.

You do not want to disable systemd, despite Gary's disdain for it.

Sorry I was not clear.  You are stuck with sysmted(rippy).  What
I intended to say was disable gpsd running under systemd(dnk).

Doing so will leave you with a massive mess and may render your
system unbootable.

Yes.  A bit worse than the mess you get when you do run systemd(reamon).

What you want to do is either 1) remove gpsd from
systemd's control or 2) get the systemd configuration working to suit
your application.

I vote for 1).

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

       Veritas liberabit vos. -- Quid est veritas?
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