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Altitude data in the subtitle video

Discussion in 'Pro/Adv Discussion' started by hog guts, Nov 27, 2015.

  1. hog guts

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    When using program that can show subtitle flight info like VLC it shows altitude barometer data instead of feet. How do I change to feet or convert the barometer pressure to feet? Thanks


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  2. bbfpv

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  3. physalus

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    I am a nubie and may have wrong thread. Apologies first.
    I really need to know "correct" above sea level altitude in order to "measure objects at sea level.
    Can someone please tell me where I can get DJI documentation that advises:
    1. How altitude is determined in the P3 Professional ( using the Barometer or GPS Z value .. or both as a DJI rep said on a thread somewhere) ?; and
    2. the error margin on vertical data ?

    Without accurate altitude data - or a accurate error margin, my project is nonexistent.

    Thanking you so much