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Altitude Issue in Exif Data

M.B.

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May 22, 2022
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I'm playing with the new Anafi-AI and comparing it with the old Anafi.
I prepared a photogrammetry mission to map the runway of a local rc-model club: flying altitude 100m, camera tilt 70deg.
For the Anafi-AI I used Freeflight7, for the Anafi I used Pix4Dcapture.
The runway is 82.5 long (Google Earth and personally measured) and 22m above sea level (Google Earth).
During the flight both controllers report the correct altitude of 100m (if I've understood correcty, the difference between the absolute altitude and the takeoff altitude).
So I'm expecting that the exif data of each photo reports around 122m above sea level. Below the results:
- Anafi: 123m
- Anafi-AI: 175m

Is it an error or a bad setting?
Maybe is the Anafi-AI writing the EXIF data using raw data coming out from the GPS module and not after k-filter and barometer data fusion ?
 
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