Suunto 9 baro very low elevation gain vs other brands
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@Dimitrios-Kanellopoulos oh wow. I see it now.
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I went backcountry skiing with my friend who has well deserved and honourable inherited my A3PS. Of course the watches were not on the same arm, hence a comparison with the slightest scientific touch isn’t possible. However I would like to mention here that we went in the exactly same ascent track and his A3PS recorded around 100m less total ascent plus had issues with the track on the first few meters.
My takeaway is that S9B is not inaccurate at all.
Plus: it’s crazy good to enjoy sports without having issues like these in mind
life is easier when we don’t worry -
@TELE-HO Can it be that his jacket blocked the barometer hole for a small period of time, and yours didnt?
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@Oktan
no, not on A3PS and also not possible when I check the graph -
Interesting one for me today…S9 more than doubled the ascent/descent on my route. Green graph is a lot more jagged than the typical results.
Pouring down rain today but it was constant the whole time.
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 :)
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@stromdiddily so light green is today, dark green is a track from the same route ran in the past? I see this sort of delay with FusedAlti, @Brad_Olwin has as well.
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@fazel green is today, yellow-ish is from three months ago on the same 7 mile route. The start looks ok tbh but the green is reporting over 1k feet of climbing and the yellow is correctly showing 500ish feet.
Edit - QS feature request, ability to assign colors to merged tracks
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@stromdiddily
the spike-ish graph looks like hydraulics did magic on the sensor… it’s a wild guess, but possible -
@TELE-HO hydraulics = water?
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@fazel
my assumption… pouring rain and the baro holes right next to the wrist… it seals great and the movement could create pressure that causes a down spike. once relieved it shows an up spike.
for our luck the recording is not set to every second as it was possible with Ambits, hence it’s somehow equalling out a bit… or let’s say it would be worse -
@TELE-HO Sleeve pump effect?
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@Fenr1r That’s how I normally wear it, but you’re probably right
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@stromdiddily said in Suunto 9 baro very low elevation gain vs other brands:
That’s how I normally wear it
But you don’t normally get this distorted result in the same conditions?
Unless you’ve changed jacket materials or the rain on that run was unusually chubby, my beautiful theory has probably been slain by ugly fact. I’d like to be at least plausible but some other variable(s) must be at work.
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@Fenr1r new shake dry jacket (is quite nice actually lol)
Honestly it’s a one off, so not too concerned about it. I just thought it was interesting as I expected to see a super human type jump but instead saw fairly reasonable up/downs on the graph.
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@stromdiddily Hmm.
Maybe less chubby rain, more beady jacket. Anyway, you’re right: add it to the PNW’s supply of post-X-Files/Twin Peaks Things Of Interest.
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I don’t believe that S9B has very low elevation gain… I went from about 730m to about 1’250m and the total ascent is 721m. Ok there were small dips, very very small dips. But not to a sum of 200m.
living sideways
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@freeheeler what type of activity was this?
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@freeheeler not sure its a good example because you went up once and went down once. in hilly routes (many ups & downs like all my routes are) I see the differences. I guess each up I loose some elevation gain.
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@freeheeler thanks. I was wondering if the hand motions were different (I assume they are) and that might have caused some discrepancy? It sounds like the accelerometer data is considered along with the barometer measurements when calculating accent. Others will know more.
