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    GPS accuracy - track and field

    Scheduled Pinned Locked Moved Suunto 9
    32 Posts 14 Posters 2.4k Views 14 Watching
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    • zhang965Z Offline
      zhang965
      last edited by

      Did you stop your move during your run?

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      • K Offline
        kamarasm Bronze Member @surfboomerang
        last edited by

        @surfboomerang Hell yeah, I experienced some bouncing in GPS signal yesterday, however there was never problem like this before.
        Interesting 🙂

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        • Mff73M Offline
          Mff73 @TM0702
          last edited by

          @thomas-ma
          It doesn’t really look like non accuracy, as it is really “geometrical” 🙂
          Have you eventually transfered the same workout to another plateform to compare the representation ?
          SA activity link or fit file may help to see what is inside (wrong data, wrong representation, raw data behind for suuntoguys).

          Suunto Spartan Ultra (since 2016) FW: 2.8.24 (retired)
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          • T Offline
            TM0702
            last edited by

            Thanks all. So I followed the instruction above and switched to another GPS system to “Galileo.” Attached is the tracking map.

            My next question is the accuracy: I ran 12.5 laps, which should end up equal to be 5k. However, the Suunto shows 5.38km. I ran on Lane 4 which is 423m per lap, and it should equal to 5.28m, I know 100m discrepancy is not huge but my friend is using another brand, Coros and his watch’s discrepancy is only 10m. We ran side by side as well.Screenshot_20210221-203740.png

            DMytroD 1 Reply Last reply Reply Quote 0
            • DMytroD Offline
              DMytro @TM0702
              last edited by

              @thomas-ma i think coros has a special feature for lap running where it averages out gps descrepancies so you get nicer track + more reliable distance.

              T 1 Reply Last reply Reply Quote 1
              • T Offline
                TM0702 @DMytro
                last edited by

                @дима-мельниченко Agree. In general I am quite happy with my Suunto 9 tracking.

                Does anyone know if there is any different GPS tracking function between “Track and Field” vs “Running” function? If no, should I just use “running” function for running at the sports ground going forward?

                surfboomerangS zadowZ 2 Replies Last reply Reply Quote 0
                • surfboomerangS Offline
                  surfboomerang @TM0702
                  last edited by

                  @thomas-ma I noticed running profile does not record GPS every second, but a random interval between 1-4 seconds. On road races with distance of half a marathon I noticed the watch is always spot on in distance, but on a 400m track I can imagine it cuts the corners less accurate then it should do.

                  Maybe that explains the difference.

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                  • isaziI Online
                    isazi Moderator
                    last edited by

                    This is from this morning in Amsterdam. Standard running profile, GPS+Beidou.

                    track.png

                    Watch: Suunto Vertical Ti

                    Blog: isazi's home

                    Dimitrios KanellopoulosD DMytroD T 3 Replies Last reply Reply Quote 0
                    • Dimitrios KanellopoulosD Offline
                      Dimitrios Kanellopoulos Community Manager @isazi
                      last edited by

                      @isazi I know the place well 👌

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                      • DMytroD Offline
                        DMytro @isazi
                        last edited by

                        @isazi image isn’t from SA, right?

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                        • isaziI Online
                          isazi Moderator @DMytro
                          last edited by

                          @дима-мельниченко Runalyze with ESRI satellites view.

                          Watch: Suunto Vertical Ti

                          Blog: isazi's home

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                          • T Offline
                            TM0702 @isazi
                            last edited by TM0702

                            @isazi said in GPS accuracy - track and field:

                            Interesting. Next time I will try the GPBeidou system and see if it reports better result.

                            And you can tell from the screenshot (from Strava) my GPS is completely off track.pic.png

                            Dimitrios KanellopoulosD 1 Reply Last reply Reply Quote 0
                            • zadowZ Offline
                              zadow @TM0702
                              last edited by

                              @thomas-ma
                              Hi, have you tried “Track and Field” Sport mode for running on track? I can remember that I read somewhere that it (should) has some special setting for tracking running on Track. I have never tried it by myself. It just rang the bell for me, when I read your post…

                              0d745b27-bc2d-4537-b3ba-1ad031f51315-image.png

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                              • Dimitrios KanellopoulosD Offline
                                Dimitrios Kanellopoulos Community Manager @TM0702
                                last edited by

                                @thomas-ma keep in mind that the satelite overlay isnt always 1:1.

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                                • T Offline
                                  TM0702
                                  last edited by

                                  Thanks. i understand it is not always 1:1.

                                  May be next time I will try the normal “running” mode while running on track and see if there is any difference.

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                                  • T Offline
                                    TM0702
                                    last edited by TM0702

                                    So I run another 10k using the regular run function, and here is the map from Strava. 10k should be 25 laps, but I think I ran 24 laps + 250m(?) from the map.run.png

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                                    • zhang965Z Offline
                                      zhang965
                                      last edited by

                                      10k.JPG

                                      my 10k, it’s quite accuracy

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                                      BulkanB 1 Reply Last reply Reply Quote 1
                                      • BulkanB Offline
                                        Bulkan Moderator @zhang965
                                        last edited by

                                        @zhang965 Did you use loop? just curious if work well in a track.

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                                        • S Offline
                                          Shrek3k @TM0702
                                          last edited by Shrek3k

                                          @thomas-ma 24 laps + 250m would be rather outstanding and excellent in terms of accuracy.
                                          Just check how and where the 400m lap really is 400m long … I think it is nearly impossible to run the ‘perfect line’ for so long.

                                          using a Suunto Vertical & Suunto Wings; mostly running (AKA stomping around) and cycling mostly through the northern german "wilderness"
                                          OS - Android 15/Pixel Pro 7

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                                          • zhang965Z Offline
                                            zhang965 @Bulkan
                                            last edited by

                                            @bulkan said in GPS accuracy - track and field:

                                            @zhang965 Did you use loop? just curious if work well in a track.

                                            auto lap 1k

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