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    GPS Troubleshooting

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    • S
      Stefan Amundarain
      last edited by Stefan Amundarain 27 Mar 2025, 17:16 27 Mar 2025, 17:15

      We recently connected a Matek M10Q GNSS/Compass to the J19 port of our voxl2. we have a green light on the GPS, and when in the window a blinking Green to indicate GPS fix. We are able to calibrate the compass in PX4, but no GPS data is being recieved. We have the GPS wired correctly. based in the docs.modalai voxl2 onboard sensor user guide. what other steps can we take to troubleshoot? I have also checked voxl-px4.conf and GPS= AUTODETECT
      Screenshot from 2025-03-27 13-11-18.png Screenshot from 2025-03-27 13-06-09.png

      T 1 Reply Last reply 27 Mar 2025, 17:34 Reply Quote 0
      • T
        tom admin @Stefan Amundarain
        last edited by 27 Mar 2025, 17:34

        @Stefan-Amundarain First GPS lock takes a lot longer than subsequent locks. I'd recommend taking the GPS outside for 15 minutes or so for initial lock.

        S 1 Reply Last reply 27 Mar 2025, 18:12 Reply Quote 1
        • S
          Stefan Amundarain @tom
          last edited by 27 Mar 2025, 18:12

          @tom just spent about 20 minutes outside with it, no luck. We will try a different GNSS module and see if its the equipment or the setup.

          E 1 Reply Last reply 28 Mar 2025, 16:15 Reply Quote 0
          • E
            Eric Katzfey ModalAI Team @Stefan Amundarain
            last edited by 28 Mar 2025, 16:15

            @Stefan-Amundarain What version of VOXL SDK are you running? Can you provide the output of voxl-version?

            R 1 Reply Last reply 28 Mar 2025, 17:38 Reply Quote 0
            • R
              rdjarvis @Eric Katzfey
              last edited by 28 Mar 2025, 17:38

              @Eric-Katzfey we were on 1.3.2, flashed 1.3.5 and had success!

              E 1 Reply Last reply 28 Mar 2025, 18:41 Reply Quote 0
              • E
                Eric Katzfey ModalAI Team @rdjarvis
                last edited by 28 Mar 2025, 18:41

                @rdjarvis Okay, great! Instead of starting voxl-px4 with systemctl start voxl-px4 can you start it as a foreground process using voxl-px4 -d and then capture the output and paste as a response? I'd like to see if there are any error messages printed that could help determine why it isn't seeing your GPS unit.

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