Suunto 7 Altitude Issues
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@mikulass I think it’s the S7 update, seems to be a watch issue.
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@isazi Thanks. And is there any date for this update already confirmed or early estimate? Thanks.
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@mikulass well. There tends to be about 4 updates a year and last update was second week of January (I think). So hopefully soon-ish.
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So did a new 1 hours test in a ventilated plastic container on the balcony today (to protect from wind).
Still a bumpy ride for the elevation. At one point it falls 5 meters and then relatively quickly makes a 10 meter jump, followed by a slow recovery down at the end there.
Not really sure what to do now (if anything). Not really sure how stable a result I can reasonably expect from a watch.
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@aleksander-h
I would contact support and check with them. -
@aleksander-h I guess the question is how the altimeter works during an exercise given that the 0 meter ascent bug will be fixed in the next update. As you could see from my balcony test, my watch went crazy when I left it on the balcony, but when strapped on my wrist it’s working okay at the moment. And I did buy it to wear it on my wrist and not to leave it on my balcony.
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@aeroild My main reason for putting it on the balcony in the first place was to check if clothing was causing the issues. When I went snowshoeing I got quite a few false up and downs on the elevation which really added up. Claimed over 900 m ascent which it most certainly wasn’t. I thought maybe my clothing was pumping air into the hole, if that makes sense.
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@aleksander-h - I know its jumping around a bit, which could be due to temperature / GPS moving when fixing etc, however from what I see there overall variation is approx 20m, and if exlcude original is closer to 10m; is that really an issue? Its not like we are piloting planes etc and its critical the alititude is correct.
I also understand that you have seen much larger variances, but from above there really aren’t any showing, which suggests that it may not be watch.
Would tend to agree with others, that may be best to wait for fix, and then reassess - especially as from above can’t see anything majorly wrong (from my point of view).
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Just for fun, a balcony test with old SSU, and QS altitude graph for 25min
With 3m filtering --> 0m ascent = 0m descent
But my SSU moved about 200m horizontally
but with house+moutain behind 
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Android 13, Galaxy S205G -
@jamie-bg problem is that on a 4 hour hike, these up-and-downs quickly accumulated to a few hundred meters extra ascent. If the suunto app was able to correct elevation I probably wouldn’t care much, but right now I have activities with ascents so high I feel like I’m 10x fitter than I actually am
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@mff73 Tried the same thing a while back with SSU. 48 hrs outside window: 0m ascent/descent (MC) throughout - albeit at the wrong altitude - “28km” horizontally (house, no mountain).
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@fenr1r I guess I could just take my SSU for long(ish) hikes rather than the S7 in future :p.
Either way, I won’t be doing anything about it until I see how things fare once the 0m bug is patched.
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@aleksander-h
maybe I missed it or forgot already: during your hike or run, does the total ascent exaggerate already or do you only see it after the hike?
I assume it happens on the go, right?
Because I rely on the ascent to some extend. If this is not correct the ascent rate can’t be right, either. It’s not life threatening, but good to know by the rule of thumb if it’s still 1 or 2 hours to the summit by the values on your screen.living sideways
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@fenr1r
how far can my watch go without me
living sideways
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@freeheeler not really sure. I was intending on checking during my last run. Then I realized the run workout doesn’t have an elevation graph
. So I’ll have to check next time. -
@freeheeler I got an answer to that on another test, full battery to 1%: 37.29km, 3m desc., 69hrs, 55mins (rather than the 140hrs specced for the settings - high sky mask).
Less “Who Am I From My Heatmap” than “What The Hell Is My Watch From Its Rorschach”:
Sorry, OT.
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GOOD NEW !
Suunto Service Request replace my S7 by a new one and the ascent is now working perfectly. You can compare the high precision !
Suunto App (from watch) : 1079 m ascent
https://www.suunto.com/move/cedric13/604a274ef8691e13f8a16ca9
Strava (map recalculated) : 1080 m ascent
https://strava.app.link/w7gI9G3FxebI’m reassured to continue the S7 adventure
The Suunto support is very fast : 2 days to ship from France to Finland, 2 days of treatment and 2 days to comeback. Thanks Suunto ! -
@fenr1r
seems your watch is also painting mandalas to calm itself down@cedric13
nice to hear! …but this might make @Aleksander-H change his mind in doing nothing for the moment
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@freeheeler said in Suunto 7 Altitude Issues:
@cedric13
nice to hear! …but this might make @Aleksander-H change his mind in doing nothing for the momentI think I like it to much to send it in to be honest
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@cedric13 lucky, i don’t think my 2nd Suunto 7 watch altitudes are correct while hiking. I’ve only tested on 1 trail and it’s doubling elevation for me atm.
My alpine ski day altitudes (with a lot more wind) seem to be correct though.
