+ or - Deviation
E H. Alex is RIGHT you are WRONG
Quotes
"The angle between Magnetic North and the direction indicated by a compass needle is called the angle of DEVIATION"
"Deviation is the angle between Magnetic North and Compass North measured in degrees East or West FROM Magnetic North"
"The signs for plus and minus are sometimes used as a prefix instead of the suffixes East or West, in which case you will see that the rule to apply the deviation (as stated) to the compass heading to obtain the Magnetic headin"
Compass 195º Deviation -2º = Magnetic 193º
Hope that clears things up.
EH is it different in helios????????????????
Unowho