GPS bugs on Suunto9
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@zhang965
Almost half the retail price
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@Cuba1hr said in GPS bugs on Suunto9:
@zhang965
Almost half the retail priceyep, I tried bid a watch on this forum for 5 euros, but the topic has been blocked.
our community had became more and more humor less.
I hope you find a good way to start a new adventure.
Winners Wear Winners
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@zhang965 said in GPS bugs on Suunto9:
our community had became more and more humor less.
We missed your humour (at least me
), i was used to it. -
@zhang965 it wasnât about having fun, it was just decided that the forum is not a marketplace. Thereâs hundreds of places on the internet where to sell used stuff.
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@zhang965 Sorry I had to cut you off with that one. We did not want the marketplace issue to get started. I was a funny comment. We wonât remove it from this thread:)
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@Saketo-Nemo I just tried GPS + Beidou today and indeed it was really more precise :
So I will keep this configuration and I hope it will work well again !
(but the elevation was still very underestimated thoughâŠ)Thanks for your help !
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@bastpp
Happy to see that! -
Hi guys, I came to check the new posts here, not much was happening. I was thinking (hard) about Fenix 6 Pro and Grit X for a replacement for my ex S9B. I was also looking at S7 at one point, but even shorter battery life and 2 platforms (Suunto and GoogleFit)âŠit is a nice watch but not replacement for S9.
I went the same road for a walk yesterday again for the first time with the Grit X, and results were almost perfect, following the road with the same Sony GPS chipset S9B has. V800 and Grit X were within 10 meters out of each other in total distance in shorter and longer walk, with nicely laid track. Thatâs with Galileo, maybe even better results Iâll get with Glonass next time as I read. No Beidou available for now.
So far, so good, but now I miss a couple of things from S9B. I knew that when I didnât opt for F6Pro - compass and altimeter outside activity, temperature visible on the watch, sunset time, goal with calories set, backlight completely off (during buttons presses), etc.
Most of those things can be sorted out with the updates and I will keep watching which Finnish team, if and how soon, will bring some news and updates on those watchesâŠor just offer a new one. G2, S11 or SX in case of SuuntoâŠI am also interested if the Polarâs Vantage series will get any more updates. Everyoneâs so mysterious about the updates suddenly.
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Hey, since my topic was closed for creating another âbad gpsâ topic, I will ask for help here. Please find my route attached. Red is how it is supposed to be - blue is what suunto 9 baro has measured. I run this one 3 times per week and tested every possible gps setting. It is always updated and I huse the best performance setting. I have it paired with suunto HR strap - but doubt it is the problem.
This example shows around 400 meters being cut from my route.
Any suggestions? -
This is forest, how the hell you know how it should be :)? Do this, run 5 time in the sam track and if tracks are the same, then your red is wrong
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@Lukasz-Berdowski What satellites are on? There are some experiencing issues with Beidou.
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@Lukasz-Berdowski
is your watch on the latest fw, too?living sideways
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@zvonejan I run this route 3 times per week for 5 years now⊠I know where I run
See those semi transparent lines? Those are paths. The same paths are below the red line. I attach a screenshot from my run with different watch (tomtom spark) whitch was almost perfect. I havt lots of those. The only tracker that does weird shit is Suunto 9 Baro⊠
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Brad & Tele-Ho, thank you for your answers!
My current firmware is: 2.11.38
I tried beidou, galileo, glonass but all of them are performing poorly
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@Lukasz-Berdowski Do all/most of the tracks (from whatever tracker) have the NE deflection from that first RH bend through to around the 2km mark?
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yes, while being less notable than suuntoâs, it exists. The Entire area between 1 and 2,5 km gives trouble.
One thing I want to stress - suunto is very accurate on runs/walks/bike trainings in the city. The issue exists when being around trees. I did couple of runs in another city - the tracking was great up until i hit a park. Then it went haywire -
@Lukasz-Berdowski Right. So. Going by your summary of repeated observations and perhaps as many as four Google Streetview shots âŠ
Clearly each watch is happier with tree-partheid. From the tracks shown, both devices lose it in areas of mixed deciduous (light green in sat pic. Ash? Birch?) and evergreen (dark green: a fir of some sort?). Without the mix (NE), or with the species segregated (SE), they do better/fine. The TomTom is obviously less disconcerted by arboreal mixing. The Suunto freaks out when almost wholly surrounded by evergreens and takes some time to recover.
Different tree typesâ interference may be a thing. If the S9B has a clever compensatory algorithm for adjusting to/anticipating GNSS signal quality, the varying mixture might cause more knock-on problems than the clear division.
(Or it might be track width and overhead foliage density. Or something else entirely.)
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@Fenr1r trees are always problematic in terms of GNSS accuracy but Iâve
never(well once the watch got completely bananas but it was with older FW) observed such problems in my S5. If there is a problem it typically manifests itself with offset which is pretty much constant (ie. 10 - 20 meters off) untill I change direction or signal improves (opening in the tree line, etc.) and this is ok.But the image attached by @Lukasz-Berdowski indicates a rather big error in first 2 km of run.
@Lukasz-Berdowski have you tried soft reset, fresh AGPS sync, 15 minutes to unpack AGPS and then ~60 seconds on open area after acquiring fix?
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@Ćukasz-Szmigiel Could the S5 be dumber? Presumably (a tiny bit) more like the TomTom? The S9 suffers from its own post-processing cleverness?
Trees - yup. In the image, the wild errors really correlate with the tracksâ (in-)visibility to Googleâs aerial photography (whenever in 2020 that happened): i.e., sufficient overhead coverage. That might be enough.
A bit boring and perhaps not applicable to that SE stretch from 4km, so I added the tree type factor. The SE track is partially visible but thatâs still sort of a canyon effect so sat geometry is trickier for a regularly acquired series of good fixes.
Again: might be utterly irrelevant.
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@Fenr1r S5 / S9 use the same GNSS chip donât they? S5 is supposed to be better in terms of signal reception due to external antenna but itâs hard to judge without debug data (raw data from sensor).
Also, could it be related to FusedTrack? Or is it deactivated in performance mode?
