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    Firmware Rollback - Firmware with best GPS

    Scheduled Pinned Locked Moved Suunto 9
    37 Posts 12 Posters 2.0k Views 11 Watching
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    • stromdiddilyS Offline
      stromdiddily Gold Members @Brad_Olwin
      last edited by

      @brad_olwin can’t be any worse than what they think watching you run with 7 different watches on 😄 😄

      Always carry a flaggon of whiskey for snakebite; and furthermore, always carry a small snake.

      User of pretty much every watch since the Ambit 3 Peak. Now back in the family w SV :)

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

        @brad_olwin
        too old for a stroller, too young for a rollator 😜

        living sideways

        1 Reply Last reply Reply Quote 1
        • MRonyM Offline
          MRony @surfboomerang
          last edited by MRony

          @surfboomerang Hello, I also have the topic of GPS measurement (Baro 9) in the vertical segment! Sunny weather, on different days and different time (same tour and new tours), deviations never less than 9m! on my last 15 tours there were about 2 peaks where I was at 3m deviation! I am not satisfied with these values! BG

          DMytroD surfboomerangS Mff73M 3 Replies Last reply Reply Quote 0
          • DMytroD Offline
            DMytro @MRony
            last edited by

            @mrony it’s not gps but barometer that gives you this values. Difference of 3m is totally tollerable for s9b if I know correctly.

            MRonyM 1 Reply Last reply Reply Quote 0
            • MRonyM Offline
              MRony @DMytro
              last edited by

              @дима-мельниченко +|-3m ok, but Not +9m and More at every Tour!

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

                @mrony I would say it’s ok as well. But I have a non baro version, so others could validate your conserns better. For me same peak may be +/- 20m ( and it’s still ok in my opinion).

                1 Reply Last reply Reply Quote 0
                • zhang965Z Offline
                  zhang965
                  last edited by

                  For me the last firmware is not getting better.
                  Screenshot_20210214-213508.png

                  Winners Wear Winners

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

                    @mrony do you have the Baro version of a watch?
                    Also I noticed sunny weather is not a guarantee for good GPS reception.

                    Suunto Vertical Titanium Solar
                    OnePlus Nord 4

                    1 Reply Last reply Reply Quote 0
                    • MRonyM Offline
                      MRony
                      last edited by

                      @surfboomerang s9 baro

                      1 Reply Last reply Reply Quote 0
                      • Mff73M Offline
                        Mff73 @MRony
                        last edited by

                        @mrony said in Firmware Rollback - Firmware with best GPS:

                        @surfboomerang Hello, I also have the topic of GPS measurement (Baro 9) in the vertical segment! Sunny weather, on different days and different time (same tour and new tours), deviations never less than 9m! on my last 15 tours there were about 2 peaks where I was at 3m deviation! I am not satisfied with these values! BG

                        does the watch records always the same altitude for the same peaks ? and are you sure of those peaks real altitude ?
                        also consider that altitude is a matter of reference
                        Not to say you are wrong, but to more understand. And with no data to look at, it is difficult to debate.

                        Suunto Spartan Ultra (since 2016) FW: 2.8.24 (retired)
                        Suunto Vertical all black
                        Wife : S9PP
                        SA: Always the latest beta :)
                        Android 13, Galaxy S205G

                        surfboomerangS 1 Reply Last reply Reply Quote 1
                        • surfboomerangS Offline
                          surfboomerang @Mff73
                          last edited by

                          @MRony Like @Mff73 said.
                          Some examples would be helpful then.

                          Suunto Vertical Titanium Solar
                          OnePlus Nord 4

                          MRonyM 1 Reply Last reply Reply Quote 0
                          • MRonyM Offline
                            MRony @surfboomerang
                            last edited by

                            @surfboomerang IMG_E5535 (Large).JPG IMG_E5534 (Large).JPG IMG_E5533 (Large).JPG IMG_E5532 (Large).JPG IMG_E5531 (Large).JPG IMG_E5530 (Large).JPG IMG_E5529 (Large).JPG IMG_E5537 (Large).JPG

                            Mff73M surfboomerangS 2 Replies Last reply Reply Quote 0
                            • Mff73M Offline
                              Mff73 @MRony
                              last edited by

                              @mrony
                              do you have already tried to clean your baro sensor ?
                              have you tried the fridge test ? https://forum.suunto.com/topic/3519/alti-baro-fridge-test

                              Suunto Spartan Ultra (since 2016) FW: 2.8.24 (retired)
                              Suunto Vertical all black
                              Wife : S9PP
                              SA: Always the latest beta :)
                              Android 13, Galaxy S205G

                              1 Reply Last reply Reply Quote 2
                              • surfboomerangS Offline
                                surfboomerang @MRony
                                last edited by

                                @mrony
                                Try the suggestions of @Mff73.

                                To be honest, I think the numbers you see are well within the margin.
                                I mean elevation lines on maps aren’t 100% accurate as well as I learned the hard way: https://forum.suunto.com/topic/5234/route-altitude-bug?_=1613401264400

                                Even the same map provider isn’t consistent
                                5a6ac98f-a031-478c-bbfb-1667d9dc3279-image.png

                                Furthermore a 2-3m difference can almost be achieved by putting the watch on the ground or waving your arm in the air. So unless you have your watch on the exact same spot from the official measurement it’s really hard to compare.

                                Suunto Vertical Titanium Solar
                                OnePlus Nord 4

                                MRonyM 1 Reply Last reply Reply Quote 5
                                • MRonyM Offline
                                  MRony @surfboomerang
                                  last edited by

                                  @surfboomerang hello, peaks usually have the correct elevation on the maps. the app “peakhunter” confirms this. a deviation of about 3m would be ok, but I can’t understand that this is not possible on a single tour!

                                  Brad_OlwinB 1 Reply Last reply Reply Quote 0
                                  • Brad_OlwinB Offline
                                    Brad_Olwin Moderator @MRony
                                    last edited by

                                    @mrony said in Firmware Rollback - Firmware with best GPS:

                                    @surfboomerang hello, peaks usually have the correct elevation on the maps. the app “peakhunter” confirms this. a deviation of about 3m would be ok, but I can’t understand that this is not possible on a single tour!

                                    This is possible because the watch is assessing elevation using a barometer that is pressure sensitive and attempting to correct this with a GPS measurement. Our estimates of peak heights are simply not exact. For example, Colorado, USA just revised its estimates of peak elevations with a new reference standard and we are going to have one less 4267m (14,000 foot) peak. So the accuracy you are seeking is not in the reference data you are referring to as @surfboomerang eloquently stated.
                                    Second, changes in barometric pressure will affect the elevation even with GPS correction, this can easily occur. Third, depending on where the watch is placed and how you are moving, this will affect elevation measurements and there are algorithms built in to deal with this. The watch is not a precision elevation measurement instrument.

                                    IMHO there is nothing wrong with your watch or the elevation values you are getting.

                                    Vector/T6c/Ambit 3 Peak/S5 Copper/S3/S7 Ti/S9 baro Ti/S9P Ti/S9PP Ti/Vertical Ti/Race Ti/RaceS/Ocean/Wing

                                    ? 1 Reply Last reply Reply Quote 4
                                    • ? Offline
                                      A Former User @Brad_Olwin
                                      last edited by

                                      @brad_olwin the only who can show error is this one
                                      Screenshot_20210215-191335.jpg

                                      Brad_OlwinB 1 Reply Last reply Reply Quote 0
                                      • Brad_OlwinB Offline
                                        Brad_Olwin Moderator @Guest
                                        last edited by

                                        @g287-sf That one is further off, I agree but the GPS point may or may not be at the true summit, the map could be off or I have had occasional elevation readings that are off. Typically, this is due to rapid changes in weather. More often, my watch is very close (within 3-6m), which I think is fantastic.

                                        Vector/T6c/Ambit 3 Peak/S5 Copper/S3/S7 Ti/S9 baro Ti/S9P Ti/S9PP Ti/Vertical Ti/Race Ti/RaceS/Ocean/Wing

                                        ? 1 Reply Last reply Reply Quote 2
                                        • ? Offline
                                          A Former User @Brad_Olwin
                                          last edited by

                                          @brad_olwin honestly for me 10meters in X and Y is normal.

                                          1 Reply Last reply Reply Quote 3
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