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Altitude in Flight Records
535 3 2021-10-5
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Captn_Kex
lvl.1

Germany
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Hello everyone,
I am trying to understand the different altitude-measurements/calculations from the flight record, does anybody know the differences? I found 5 columns which have something to do with height:

IMU_ATTI(0):press: D
IMU_ATTI(0):alti: D
IMUCalcs(0):height:C
GPS:heightMSL
osd_data:relativeHeight

When I plot them there are visibible differences (look attachment if this is too small).

DifferentHeights.png

What I know:
IMU_ATTI(0):press: D   → the height derived from barometric pressure
GPS:heightMSL            → the height above mean sea level.


I'm not sure how the other altitudes are being calculated and how exact they are, respectively. if anybody knows, please let me know!


Greetings

Captn_Kex





Different Heights

Different Heights
2021-10-5
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Montfrooij
Captain
Flight distance : 2164990 ft
Netherlands
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Hi!
You might be better off posting your question in the 'products' section of this forum.
That is way more active.
Just create a new thread here : https://forum.dji.com/forum-129-1.html and select the right category / subcategory.
2021-10-5
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Captn_Kex
lvl.1

Germany
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Montfrooij Posted at 10-5 22:47
Hi!
You might be better off posting your question in the 'products' section of this forum.
That is way more active.

Thank you very much!
2021-10-5
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Montfrooij
Captain
Flight distance : 2164990 ft
Netherlands
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Captn_Kex Posted at 10-5 23:26
Thank you very much!

My pleasure!
2021-10-6
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