Quote:
| Originally Posted by Capt J Compasses should be adjusted for deviation for the area you're in otherwise they will be off slightly but have never seen one off more then 10 degrees |
Hi,
I think you should brush up on your navigation theory before giving out advice like this.
It is the Variation that changes annually and from area to area not the deviation.
Deviation is affected by the irons and structure in the boat the compass is on not by the area it is in.