Mini iosd vs Flytrex data

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Good morning, I have done some digging around and I'm curious about these two numbers being so far apart. I have the DJI mini iOSD installed with my full FPV system. I made a little cheat sheet with converting meters to feet so I can understand where I am in the air. Today I did a test run at home and I did not cross 100 m in the air when referencing my screen data.(which should roughly be 330 ft) Upon uploading my Flytrex data, it says my peak height was 744 feet. I am not sure why these are so different. I understand the flytrex has a barometer and today was a bit overcast and storm imminent, Could this be the reason for the difference? It is the new FlightTrack Core 2 model.

Thanks!
 

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OSD shows relative height. So if you take off from the top of a 100ft building and it shows 200ft on the OSD, you're 300ft above the ground.

Flytrex, I have no idea what it tells you. It could be showing you height above sea level (height of the ground + height above the ground) but without a calibrated input for sea level pressure on the day, your measurement could be far off.
 
Fdnyfish said:
Max ascent is your ground based altitude. Max alt is sea level

Ok, That makes it all really click. Thanks guys!
 

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