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Compas Calibration
602 6 2018-2-22
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rustydiver
lvl.4
Flight distance : 419659 ft
United Kingdom
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Whats the right way of doing it.
1. Move the drone on the piviot so you move around the drone as you spin it around
or
2. You are the pin in the middle and the drone spins around you.

Ive always done my Mavic with option 1, but watched a DJI tutorial and he does it stood in the middle moving around him.
2018-2-22
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Rodger8
Captain
Flight distance : 15812070 ft
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United States
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Stand in one spot and rotate the drone in front of you.
2018-2-22
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Mullheliflier
Captain
Flight distance : 11392493 ft
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United Kingdom
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I tend to hold the drone in one spot and walk around it.
2018-2-22
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RichJ53
Captain
Flight distance : 1837356 ft
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United States
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Hold the drone over one clear spot and carefully walk around it.  This works for me but I am pretty sure that either method will work equally well.

Rich
2018-2-22
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rustydiver
lvl.4
Flight distance : 419659 ft
United Kingdom
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Thanks guys. Ive always done the mavic on the spot. done the inspire with me in the middle and in airdata I get


Found rate of change in the compass of 25 degrees or more per 0.1 seconds.
That's about a 90 degree turn in a third of a second, which is not normal.
This can be a result of extremly strong winds, a crash into an object or a bad compass.

Will try recalibration different next time.
2018-2-22
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Henry M.Y.
First Officer
Flight distance : 10094199 ft
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Hong Kong
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Compass calibration should only be done when needed. That is to say, after you've done it perfectly for the first time at your region you should rarely need to calibrate it again. The earth's magnetic field flux should be uniform locally in terms of flux direction and dip and if you are prompted to do a compass calibration you should first ask yourself whether or not there exists ferrous material nearly that fooled the compass. Try moving around to see if compass readings are good again. Steel reinforcement in concrete pavement, underground steel pipes, power lines and etc cannot be easily seen but they do affect the compass.

Not back to your question, since earth's magnetic field flux should be uniform locally in terms of flux and dip, as Richard said either method will work equally well.

Henry
2018-2-22
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rustydiver
lvl.4
Flight distance : 419659 ft
United Kingdom
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I was in my normal flying field, phantom 3 and mavic all fine. I wonder if the compass is more sensitive on the I2? there is a mobile phone mast in one corner of the field, but it still shows at the far end.
2018-2-22
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