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    Suunto 9 Highly inaccurate speed readings

    Scheduled Pinned Locked Moved Suunto 9
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    • freeheelerF Offline
      freeheeler @surfboomerang
      last edited by freeheeler

      @surfboomerang
      I just compared my recordings from a3p to s9b within SA… s9b indeed gives a spikier graph… strange!

      a3p: https://app.suunto.com/move/skiingone/5d836edd58e211b5ae86859e

      s9b:
      https://app.suunto.com/move/skiingone/5d921b3c58e2111193c1ec1c

      living sideways

      surfboomerangS 1 Reply Last reply Reply Quote 0
      • freeheelerF Offline
        freeheeler
        last edited by

        and just noticed that the exported link displays my highest point of 948m as ascent… 👎

        living sideways

        fejkerF 1 Reply Last reply Reply Quote 0
        • surfboomerangS Offline
          surfboomerang @freeheeler
          last edited by

          @TELE-HO I haven’t seen those spikes with my old a3p either. Only with my s9 baro.

          Suunto Vertical Titanium Solar
          OnePlus Nord 4

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          • Dimitrios KanellopoulosD Offline
            Dimitrios Kanellopoulos Community Manager @surfboomerang
            last edited by

            @surfboomerang should be. Wait for end Oct

            Community Manager / Admin @Suunto
            Creator of Quantified-Self.io
            youtube.com/c/dimitrioskanellopoulos
            https://instagram.com/dimitrioskanellopoulos
            https://www.strava.com/athletes/7586105

            surfboomerangS 2 Replies Last reply Reply Quote 1
            • surfboomerangS Offline
              surfboomerang @Dimitrios Kanellopoulos
              last edited by

              @Dimitrios-Kanellopoulos That would be great! Thanks!

              Suunto Vertical Titanium Solar
              OnePlus Nord 4

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              • freeheelerF Offline
                freeheeler
                last edited by

                @solid_dd
                it’s like a good wine, it takes time but then it’s great ☺

                living sideways

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                • fejkerF Offline
                  fejker Gold Members @freeheeler
                  last edited by

                  @TELE-HO said in Suunto 9 Highly inaccurate speed readings:

                  and just noticed that the exported link displays my highest point of 948m as ascent… 👎

                  It has been like this since I can remember and I have reported this many times and nothing has happened since at least January 2019 … and I bet you all my tech gear that it has been like this longer than that. Here we are nine months later and still nothing.

                  SHUT UP LEGS!
                  -Jens Voigt

                  freeheelerF 1 Reply Last reply Reply Quote 2
                  • freeheelerF Offline
                    freeheeler @fejker
                    last edited by

                    @fejker
                    I’m glad it’s on the export file only that I actually don’t need… it’s correct for Strava…
                    the pain is: when @Dimitrios-Kanellopoulos wants to see our files and asks for the shared link… he does not see what we see…
                    I noticed the wrong total ascent but more mistakes could be hidden anywhere…

                    living sideways

                    Dimitrios KanellopoulosD 1 Reply Last reply Reply Quote 0
                    • Dimitrios KanellopoulosD Offline
                      Dimitrios Kanellopoulos Community Manager @freeheeler
                      last edited by

                      @TELE-HO I dont look at the link data. As @fejker mentioned this is pretty much an old issue.

                      With the link you provide I open the activity with the Suunto app

                      Community Manager / Admin @Suunto
                      Creator of Quantified-Self.io
                      youtube.com/c/dimitrioskanellopoulos
                      https://instagram.com/dimitrioskanellopoulos
                      https://www.strava.com/athletes/7586105

                      freeheelerF 1 Reply Last reply Reply Quote 1
                      • freeheelerF Offline
                        freeheeler @Dimitrios Kanellopoulos
                        last edited by

                        @Dimitrios-Kanellopoulos
                        and within SA it is correct I assume 👍

                        living sideways

                        Dimitrios KanellopoulosD 1 Reply Last reply Reply Quote 0
                        • Dimitrios KanellopoulosD Offline
                          Dimitrios Kanellopoulos Community Manager @freeheeler
                          last edited by

                          @TELE-HO yes correct

                          Community Manager / Admin @Suunto
                          Creator of Quantified-Self.io
                          youtube.com/c/dimitrioskanellopoulos
                          https://instagram.com/dimitrioskanellopoulos
                          https://www.strava.com/athletes/7586105

                          1 Reply Last reply Reply Quote 0
                          • surfboomerangS Offline
                            surfboomerang @Dimitrios Kanellopoulos
                            last edited by surfboomerang

                            @Dimitrios-Kanellopoulos Just a small update/test after the latest firmware update:

                            I exported the FIT files of two moves from Runalyze and used GPXSee to analyze the fit files. The tool has 2 ways to calculate the speed: “By distance/time” or “Recorded by device”

                            Unfortunately the speed with GPS only didn’t improved very much after the latest firmware update if I calculate the speed by distance/time:
                            1.png

                            If I calculate the speed by “Recorded by device” it started to look a bit better:
                            2.png

                            The move with GPS+GLONASS however looks much cleaner if the speed is recorded by distance/time. Especially the second half
                            3.png

                            Is this because of a better/stronger signal if I combine GPS+GLONASS?

                            So it looks like the firmware update solved the speed wobble a little bit, but not quite like the Ambit 3 Peak. The speed spikes are also visible on the watch screen during the move, so it isn’t only the FIT file.

                            Suunto Vertical Titanium Solar
                            OnePlus Nord 4

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