chib
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Hi all,
How do you work out true North using a magnetic compass. I know there is a deviation value but is this value always constant or does it vary. If it does where can I find the latest value
Cheers All
Chib
How do you work out true North using a magnetic compass. I know there is a deviation value but is this value always constant or does it vary. If it does where can I find the latest value
Cheers All
Chib