Navigating Officer always need to know how accurate
Compasses on his vessels by taking bearing on the Planets or Stars and calculating true bearing. CoNav can do this job for you.
Set date and time, input coordinates, gyro compass bearing, gyro and magnetic compass course and take from chart magnetic variation and CoNav will give you:
Gyro Compass error
Magnetic Compass error
Magnetic Compass Deviation
This app will save your time, give you the opportunity to control the ship even safer.
CoNav - app for Deck Officers. Compass error calculation. itunes.apple.com/app/conav/id1456729642?mt=8.
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