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    inaccurate track recording

    Scheduled Pinned Locked Moved Suunto 5
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    • S Offline
      smc123
      last edited by

      Does anyone else find the Suunto 5 measures tracks about 5% too long? This seems to be because it is consistently poor, rather than being widely out in a particular spot. For example, here’s a section from a recent route tracked on the Suunto 5 and Ambit 3. Both were had navigation set up to follow a pre-plan route and both had a confirmed GPS lock before starting.
      I’m surprised the Suunto 5 is so much worse than the older Ambit. It isn’t something specific to my watch - this is the second Suunto 5 I’ve had (first returned due to faulty battery), and both have this issue.
      tracks.png

      Tomas5T 1 Reply Last reply Reply Quote 0
      • Tomas5T Offline
        Tomas5 @smc123
        last edited by Tomas5

        @smc123 i have this problem too. But it is more like 10-20% percent for me while hiking.

        Today, by official map it is around 7,9km long. By my father xiaomi phone it was 7.5km long with mapy.cz and 8.54km with locus (without autopause). By my Suunto 5 it is 9.23km with manual pause.

        60bb61b2cc6ae71479c84f74.fit

        And it is almost every time i do some hiking in hills.

        (Snímka obrazovky 2021-06-05 o 13.49.40.png

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        • Tomas5T Offline
          Tomas5
          last edited by

          Here is my thread related to this problem.
          https://forum.suunto.com/topic/6421/incorrect-distance-when-hiking/21

          Sadly my last suunto watch. I had no issue with ambit 2s accuracy but this is not good at all.

          S 1 Reply Last reply Reply Quote 0
          • S Offline
            smc123 @Tomas5
            last edited by

            @tomas5 looks like a few people have this problem with the Suunto 9 as well as 5. It’s a shame as previously I would have recommended Suunto without hesitation, but the Suunto 5 seems a step backwards from the Ambit.

            EgikaE 1 Reply Last reply Reply Quote 0
            • EgikaE Offline
              Egika Platinum Member @smc123
              last edited by

              @smc123 said in inaccurate track recording:

              @tomas5 looks like a few people have this problem with the Suunto 9 as well as 5. It’s a shame as previously I would have recommended Suunto without hesitation, but the Suunto 5 seems a step backwards from the Ambit.

              there is no way of comparing GPS accuracy when not done under the same conditions (location, satellite constellation, view of the sky etc.
              Small variations can have big effects here.

              Suunto 5 and 9 have been available and tested thoroughly for quite some time. I cannot think that they have a systematic issue.

              t6, S6, Elementum Terra, Ambit 3 Sapphire, Spartan Ultra Copper, Traverse Alpha, S7 Graphite LE, S9B Ambassador, S9P Granite Blue Titanium, S9PP Titanium Sand, Vertical All Black, Race Titanium Charcoal,
              Race S All Black - TI Canary - Titanium Courtney

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              • Dimitrios KanellopoulosD Offline
                Dimitrios Kanellopoulos Community Manager
                last edited by

                The Suunto 5 should have quite a great accuracy also according to most reviews (so to let out personal experiences or misluck of a faulty unit).

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

                S 1 Reply Last reply Reply Quote 1
                • S Offline
                  smc123 @Dimitrios Kanellopoulos
                  last edited by

                  I’d hoped it was a faulty unit, but have had exactly the same issue with two different Suunto 5s (first one was returned because the battery life was only 10hrs).

                  Comparing the Suunto 5 and Ambit 3, both were set up as closely as possible the same, both with GPS on best accuracy, both with navigation screens on, both carried in same place (attached to waist belt of rucksack as both are too big to wear on my wrist) on the same trips.

                  Tomas5T 1 Reply Last reply Reply Quote 0
                  • Tomas5T Offline
                    Tomas5 @smc123
                    last edited by

                    @smc123 I am almost sure that my watch are not faulty, because on bike I get really good accuracy. Only while hiking when there are hills and trees around, accuracy is worst. Maybe Ambit 2s was better thanks to compass ? If there was some algorithm to smooth track recording based on compass too ? It is just my guess.

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