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1:01
CoNav Android - Compass Error Calculation app for android.
4:16
Easy calculation of Magnetic & Gyro compas ERROR, deviation.
0:27
How to calculate Compass Error for 5 seconds
6:41
Easiest Compass error finding off line software makes your job easy II Sailor 360
0:12
Compass error calculation. CoNav iOS/Android app #compass #marine
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CoNav Compass Error
4:10
Smart Tools : Compass, Calculator, Ruler, Bar Code, Unit converter, Battery, Text converter.
1:35
smart tool for android all in one apps. compass,calculator,rular,barcode,piano,flashlight
