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    Subterranean outdoor activities with Galileo

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    • Łukasz SzmigielŁ
      Łukasz Szmigiel
      last edited by

      There used to be a bug - a long time ago (fixed in some of the firmware updates) - that made a sudden drop (or rise, I can’t remember) in altitude on the start of the activity when using Galileo. I’ve been observing similar behavior for some time and was wondering if it’s firmware related or maybe there were some internal changes to GNSS itself?

      For example, I’ve started today’s run, according to SA at -36m and quickly (around 60s) went to nominal ~120m. What’s interesting - the track was acceptable - pretty typical for first few minutes, with some deviations but nothing bad like being 100m off the actual location.

      Apart from the start, the track was top notch, no signal losses or weird deviations.

      So I got an ascent of 162m when it should be around 10m.

      Screenshot_20210728-210636.png

      Screenshot_20210728-210718.png

      S9PP 2.30.32

      DMytroD 1 Reply Last reply Reply Quote 0
      • DMytroD
        DMytro @Łukasz Szmigiel
        last edited by

        @łukasz-szmigiel oh, I didn’t know it might be Galileo related. I get it almost every time of I start workout directly after arrow turns green, if you give it few more seconds it should be fine though.

        Łukasz SzmigielŁ 1 Reply Last reply Reply Quote 0
        • Łukasz SzmigielŁ
          Łukasz Szmigiel @DMytro
          last edited by

          @dmytro I usually wait a little longer or start running without actually starting the workout and it’s mostly OK but it goes bonkers from time to time (like today). I thought that this problem was sorted out but maybe not?

          S9PP 2.30.32

          DMytroD 1 Reply Last reply Reply Quote 0
          • DMytroD
            DMytro @Łukasz Szmigiel
            last edited by

            @łukasz-szmigiel I didn’t thought of it as a problem tbh. It’s just that GPS needs time to settle and the arrow turns green not when the signal is great but when it’s good enough.

            Łukasz SzmigielŁ 1 Reply Last reply Reply Quote 0
            • Łukasz SzmigielŁ
              Łukasz Szmigiel @DMytro
              last edited by

              @dmytro yeah it might be a matter of how it’s tuned in to show that the signal is good enough (and it doesn’t care about VDOP) but I haven’t seen it with other GNSS which is strange. Or maybe I’m not using other GNSS often enough to notice?

              S9PP 2.30.32

              Tomas5T DMytroD 2 Replies Last reply Reply Quote 0
              • Tomas5T
                Tomas5 @Łukasz Szmigiel
                last edited by Tomas5

                @łukasz-szmigiel i don’t have problem with altitude at all or at least i didn’t notice. For example from last bike. But i every time wait for GPS signal befor starting excercise. And it took usually longer. Around 20-30 seconds sometimes less or more. Maybe you just need to wait few seconds more before starting excercise.
                F1CB55B6-D649-4B8B-B131-44CF49340D00.jpeg
                And latest hike:
                17DEB04C-3724-41E5-8E89-F0BBF877BD52.jpeg

                1 Reply Last reply Reply Quote 1
                • DMytroD
                  DMytro @Łukasz Szmigiel
                  last edited by

                  @łukasz-szmigiel I use Galileo and it’s there every time I rush the wait. I’ll try other combinations out of interest.

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

                    @dmytro i use galileo too.

                    1 Reply Last reply Reply Quote 0
                    • Łukasz SzmigielŁ
                      Łukasz Szmigiel
                      last edited by

                      Just a friendly reminder that a gigantic drop of altitude at the beginning of the activity is still there, mostly when using two GNSS, oftentimes Galileo. This is very frustrating, especially now when we have a brand new ascent / descent algorithm. Any chances it’s going to get fixed?

                      S9PP 2.30.32

                      Tomas5T 1 Reply Last reply Reply Quote 1
                      • Tomas5T
                        Tomas5 @Łukasz Szmigiel
                        last edited by Tomas5

                        @łukasz-szmigiel did’t tried it yet with new firmware but since you mentioned it last time. I was looking at this and i have this issue too. Not every time but usualy it is few tenths or even hundreds meters. But there are some exceptions without any altitude drop. I use gps + galileo all the time. If weather stay good i will report tomorrow test with latest firmware. And in my case it starts on higher altitude and then drops down to real altitude. I just noticed you have it in oposite direction.

                        Łukasz SzmigielŁ 1 Reply Last reply Reply Quote 0
                        • Łukasz SzmigielŁ
                          Łukasz Szmigiel @Tomas5
                          last edited by

                          @tomas5 it typically drops from too high, approx 70 - 90 meters during first 30 - 60s of workout

                          S9PP 2.30.32

                          Tomas5T 1 Reply Last reply Reply Quote 0
                          • Tomas5T
                            Tomas5 @Łukasz Szmigiel
                            last edited by

                            @łukasz-szmigiel i been on bike today, no issue with altitude drop at begining. But before i pressed start i was waiting for another minute after green gps icon apeared because i was setting up navigation and suunto plus feature.

                            Łukasz SzmigielŁ 1 Reply Last reply Reply Quote 0
                            • Łukasz SzmigielŁ
                              Łukasz Szmigiel @Tomas5
                              last edited by

                              @tomas5 this is well known. Although I’d like to know whether I should wait for ten more seconds or two more minutes.

                              S9PP 2.30.32

                              freeheelerF 1 Reply Last reply Reply Quote 1
                              • freeheelerF
                                freeheeler @Łukasz Szmigiel
                                last edited by

                                @łukasz-szmigiel
                                it is the first time I see it that obvious since the campground is really flat.
                                in this case, yes it would be helpful to distinguish between satellite lock and “altitude lock” 🙂

                                Screenshot_20220417-140351~2.png

                                Screenshot_20220417-140335~2.png

                                freeheeler switched to flipflops

                                isaziI 1 Reply Last reply Reply Quote 0
                                • isaziI
                                  isazi Moderator @freeheeler
                                  last edited by

                                  @freeheeler for activities shorter than 15 minutes the issue is that fusedalti may not kick in.

                                  Watch: Suunto Vertical (titanium solar canyon)

                                  Blog: isazi's home

                                  freeheelerF 1 Reply Last reply Reply Quote 1
                                  • freeheelerF
                                    freeheeler @isazi
                                    last edited by

                                    @isazi
                                    I know, it was around 30mins

                                    freeheeler switched to flipflops

                                    Tomas5T 1 Reply Last reply Reply Quote 1
                                    • Tomas5T
                                      Tomas5 @freeheeler
                                      last edited by

                                      Today on bike i didn’t have problem with altitude at beginning. But it is funny that lowest point is 375m, highest point is 979m. But my ascent is only 557m which is less than difference between lowest and highest point. By suunto app map planer it should be around 800m. But without barometer i don’t have big expectations from this measurement.

                                      Łukasz SzmigielŁ isaziI 2 Replies Last reply Reply Quote 0
                                      • Łukasz SzmigielŁ
                                        Łukasz Szmigiel @Tomas5
                                        last edited by

                                        @tomas5 I don’t expect it to be perfect. I just want to know when to start the activity 😄 my experience when trekking is that I usually get 1 - 3m error in altitude when checking on marked peaks, with S5 and Galileo. And I find it remarkable.

                                        S9PP 2.30.32

                                        1 Reply Last reply Reply Quote 0
                                        • isaziI
                                          isazi Moderator @Tomas5
                                          last edited by

                                          @tomas5 yes depending on the route itself you may see less ascent with baroless devices because of the 7m threshold.

                                          Watch: Suunto Vertical (titanium solar canyon)

                                          Blog: isazi's home

                                          Tomas5T 1 Reply Last reply Reply Quote 2
                                          • Tomas5T
                                            Tomas5 @isazi
                                            last edited by

                                            @isazi yes probably this reason, when i checked altitude against marked peaks I have same result as @Łukasz-Szmigiel usually few meters difference, only rarely few tens of meters.

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

                                              I started to commute to work on bike sometimes. As i don’t have time at morning, i wait just for green icon to appear and last two rides i started at 450 altitude but graphs started on around 700 and dropped in few minutes. Now this issue starts to be more obvious for me.

                                              Is there any feature request i can vote for to fix this issue at least in app after sync ?

                                              freeheelerF 1 Reply Last reply Reply Quote 3
                                              • freeheelerF
                                                freeheeler @Tomas5
                                                last edited by

                                                @tomas5
                                                I support this feature request! we should be informed if

                                                1. the satellites are locked
                                                2. the precision is good enough to get the correct altitude (for baro versions also with FusedAlti)

                                                I have made various observations regarding start altitude but also alti change during an activity on a totally flat track, that I can not explain. It would be good to do some improvements here, or let’s say to inform the user by GUI improvements about the status of the watch.

                                                freeheeler switched to flipflops

                                                1 Reply Last reply Reply Quote 5
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