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Inaccurate distance S9PP?

Scheduled Pinned Locked Moved Suunto 9 Peak Pro
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  • Ł Offline
    Łukasz Szmigiel @SuperD
    last edited by 18 Sept 2023, 12:26

    @SuperD in my experience suunto is great at filtering fake motion when stationary. I haven’t seen anything like in your example for a long time.

    However, it might happen in places where there’s plenty of rocky walls or dense tree canopy.

    Also, there would have to be a pattern of such bad track happening over and over again in case for it to be statistically relevant. Sometimes it’s just bad gps day.

    Did you by any chance soft reset the watch prior to the workout so that it had no chance to extract and prepare AGPS?

    S9PP 2.40.44

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    • B Offline
      babychai Silver Members
      last edited by 18 Sept 2023, 16:39

      @SuperD
      Based on my experience, if i resting at the waterfall area and big river the track will show a bit zig zag and added few more distance. Got happen to my SV but already greatly improved compared to my S9P. my S9P show the distance and zig zag track are even more worst.

      I noticed the track that you shared got nearby river/waterfall area. So i guess could be this issue too.

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      S 1 Reply Last reply 18 Sept 2023, 17:16 Reply Quote 0
      • S Offline
        sartoric Moderator @babychai
        last edited by 18 Sept 2023, 17:16

        @babychai said in Inaccurate distance S9PP?:

        Based on my experience, if i resting at the waterfall area and big river the track will show a bit zig zag

        Water does it to gps signal

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        B 1 Reply Last reply 18 Sept 2023, 17:31 Reply Quote 0
        • B Offline
          babychai Silver Members @sartoric
          last edited by 18 Sept 2023, 17:31

          @sartoric
          Most likely. My watch are always stays above water surface.
          My friend told me waterfall will produce ions that will affect the GPS signal. But i not able to Google this information to proof my friend is right though 😄

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          • S Offline
            SuperD
            last edited by 18 Sept 2023, 17:58

            IMG_1038.jpeg

            This is the same spot with a Garmin Fenix 6x, not having multi-band and it’s smooth track

            Z 1 Reply Last reply 19 Sept 2023, 05:08 Reply Quote 0
            • Z Offline
              zhang965 @SuperD
              last edited by zhang965 19 Sept 2023, 05:08

              @SuperD said in Inaccurate distance S9PP?:

              IMG_1038.jpeg

              This is the same spot with a Garmin Fenix 6x, not having multi-band and it’s smooth track

              What is the pace are you running?

              Suunto watch has better GPS performance with 16min/km which is proved by some tester.

              Have you tried in 16min/km to get better results?

              Winners Wear Winners

              S 2 Replies Last reply 19 Sept 2023, 09:09 Reply Quote -1
              • S Offline
                SuperD @zhang965
                last edited by 19 Sept 2023, 09:09

                @zhang965

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                • S Offline
                  SuperD @zhang965
                  last edited by 19 Sept 2023, 09:11

                  @zhang965

                  We were standing still filling water 😀

                  Here’s the same spot with the SV
                  403b1974-0dbc-4e09-8711-c7b43718386f-image.png

                  S 1 Reply Last reply 20 Sept 2023, 19:41 Reply Quote 0
                  • S Offline
                    SuperD @SuperD
                    last edited by 20 Sept 2023, 19:41

                    Here’s another example of a trail run. Not that rocky and running all the time the same path. 11,32k for me (S9PP) and 10,88k for the Garmin 935

                    https://www.strava.com/activities/9544029425

                    https://www.strava.com/activities/9544029705

                    F 1 Reply Last reply 20 Sept 2023, 20:30 Reply Quote 0
                    • F Offline
                      freeheeler @SuperD
                      last edited by 20 Sept 2023, 20:30

                      @SuperD
                      I know I repeat myself. but direct comparison is only possible when worn by one person and even then left and right wrist can give minor differences.

                      if you could do overlaying tracks it would make the differences visible.
                      I’ve spotted already a difference in one curve where the garmin went significantly on the inside, almost took a shortcut. sum all of those up and it might explain the difference

                      living sideways

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