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Compass calibration longevitiy
500 4 2017-9-18
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Kneepuck
Captain
Flight distance : 275102 ft
United States
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After nearly a year of flying quite often, usually within 50 miles of home, my Phantom would not track a straight line yesterday.  So, I calibrated the compass and everything was fine after that.  The last calibration lasted nearly a year with no issues.  I live in a remote area, and the places I fly are also not developed at all, so I don't get much in the way of electromagnetic interference.  Still, I thought it was a remarkable stretch of time to go without calibration.  In addition, I have not needed to calibrated the IMU in probably 6 or 8 months.  I expect others will have different results, but this illustrates what is possible.  I have had that particular Phantom for 2 years, so it is getting a bit aged.  I'm still quite happy with it.


2017-9-18
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DJI Susan
Administrator

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Thanks for sharing with us your experience. Wish you have a great time on flying the drone.
2017-9-18
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RedHotPoker
Captain
Flight distance : 165105 ft
Canada
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Normally I only recalibrate my compass after firmware updates.

I like to do the IMU and Gimbal first, then take the drone out of doors and do the compass drone dance.

I haven't traveled with my drone, over two hundred kilometers from home, to let that be of a calibration concern, otherwise.


RedHotPoker
2017-9-18
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Nigel_
Captain
Flight distance : 388642 ft
United Kingdom
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Are you sure that you didn't take off from near some iron yesterday?
Or maybe the aircraft has been modified or repaired before yesterdays flight?
Or maybe the aircraft has been near some big magnets?
2017-9-19
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ALABAMA
Captain
Flight distance : 10356965 ft
United States
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A perfect example of why sometimes less is better.
2017-9-19
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