HedgeTrimmer
First Officer
United States
Offline
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"What apps do you use to fly?"
If I have doubts about location (new takeoff location) in regards to possible source(s) of magnetic interference; I use one of 3rd-party iPhone Apps which show Gauss or microTessla field strength being picked up by iPhone's X,Y,&Z magnetic field sensors.
Looking for a change from Earth's normal magnetic field strength for area. Change can be a decrease, when ferrous metal is acting like a shield, or an increase when there is a magnetized source or source generating magnetic field.
For me it is easier than setting Mavic down, powering it up, checking magnetic field interference bars, powering drone off, moving to a new location, then starting over with setting Mavic down, ...
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