GPS bugs on Suunto9
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@bastpp then it’s not a bug, it’s just how GPS works, and it does not work well in small spaces. When the lockdown will be over, you’ll see that everything works well again.
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@bastpp
Did you try to use glonass too ?
Maybe it can helps a little -
@sartoric Yes I tried all the GPS options…
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among the options I have not seen gps + beidou. Have you tried that?
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as @Saketo-Nemo mentioned - Beidou is definitely a chance for improvement.
Additionally I found an article about GPS on a french website, even if your issue might not be solved by it, it might nevertheless give a explanation. In case you don’t like direct links, the website is www.montre-cardio-gps.fr -
@Saketo-Nemo said in GPS bugs on Suunto9:
gps + beidou
Yes, the GPS (with all other systems) is not good, it is a hit or miss. Sometimes it is OK, sometimes way off even with GPS + Beidou. Totally unreliable.
I use my old trusty SirfStar powered GPS watch and waiting to sell S9B.
Waiting for more GPS reviews of Polar Grit X to get that one or to stay with V800 until the manufacturers start to put in something better than the latest Sony’s GPS solution…which is crappy, but it saves the battery…which on the other hand Firstbeats features drain insanely:) -
@Cuba1hr I agree with you. But I am not sure it is just the Sony chip, Suunto dropped the external antenna on the Ambit as well, except in the S5, which does get the best tracks of the S series watches for me. I would love an S5 with a barometer. Suunto does work to improve the GPS and I think it is reasonable, but not as good as the Ambit.
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@Brad_Olwin when I bought my S9 last August my tracks were okay, but nothing better than that. Since the last update I had almost only amazing tracks, and I mean in normal suburban to urban environment. When I am out in the open, it’s even better. Nowadays I really can’t ask much more in terms of tracks.
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@isazi I totally agree…
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@Cuba1hr I’m now on GPS+Beidou all the time. I got pretty nice tracks with GPS only too, but simply I don’t want to play change settings often so I haven’t gone back.
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@Cuba1hr since the last update Beidou only, walks are most challenging, arm movement and slow speed… when your amr is in the pocket the results are better. Tracks when cycling are great. Haven’t hike yet, COVID lockdown…
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Thank you both, I have to test GPS+Beidou for a run session. Soon…
I know, but to miss that much, even with waiting after acquiring the signal.
GPS+Beidou
BTW, I was moving on that road most to the right, not the road nearest to the buildings.
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@Cuba1hr it could drift on the watch wearing side… and I think it is normal when the watch is, lets say, in this position /- for a longer time, if you look at the watch more often and the watch is leveled you will be back on track…
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@nseslija
I know, but that is too much…for 2020 and such amount of $$$. Then the watch I bought for GPS and OHR is practically trash and I am (along with others) a sucker in the end. It is not worth that kind of money for such performance. For 600-700$ watch I would expect the spot on positioning and heart rate monitoring.I had never such thing on any of my previous (cheaper) GPS devices. That “middle of the building” is …I guess more than 20 meters away from the second road where I was. On the way back, couple of hours later, it was better, but not perfect.
If it acts like that here and there…it just cannot be used for data comparisons. -
@Cuba1hr I totally disagree, the watch is great, and I don’t think that I am a sucker
. The S9B is really good for everything I am using it for, cycling, hiking (with route navigation), pool swimming, indoor cycling and walking. It is accurate and reliable. Maybe you expecting to much for such a small device. -
@nseslija
my tracks are also very good! (GPS+QZSS by default, but I’m not in Japan
) very slow cycling uphills in the forest… the precision is sometimes a bit off the road, maybe 3-4m, not more and for sure nothing to complain about. Suunto team did a great job on that 
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@TELE-HO qzss is visible also in eu
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@Cuba1hr that doesn’t look well not sure what to say here but it looks like indeed you don’t get good accuracy here. I would like to see the complete picture though.
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I went for a short walk by the sea to calibrate the altitude, it was 10m off - 2m above the sea it was showing 12m.
So, short walk (about 300 m), synced with app, waited after signal acquiring, again GPS + Beidou, unfortunately I didn’t go back to check only GPS + QZSS.
It is again way off on the first walk, then better on the second, but it missed the turn on the road completely to the finish on the second image.
The start on the first is on the left side of that road (not on the building more than 10 meters away), just like the line on the second image just before the end.
I said, it is a hit or miss.
