Map cal?

[TurboDave]

Anyone have an idea how I can get an accurate baro pressure so that I can decide which of my two devices is closest to correct?? For example my iPhone might read 97.5 on a given day, at the same time my 3 bar map will read 98.8. So I'd like to know which is correct.


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[TurboBob]

gm 3bar MAP sensors are terrible. iphone is probably getting the MAP info from the nearest airport? otherwise, a barometer?

 

[TurboDave]

gm 3bar MAP sensors are terrible. iphone is probably getting the MAP info from the nearest airport? otherwise, a barometer?

The new iPhones have their own onboard baro sensor. Something I wish my Android tablet had.


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[dank GN]

It's funny u bring this up as I just downloaded a app on my iPhone

 

[TurboDave]

It's funny u bring this up as I just downloaded a app on my iPhone View attachment 303253

Yes, that's the app I use. You have your display set to show sea level pressure instead of station pressure.


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[TurboDave]

Any ideas?

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