Spey …
YAWN! how many people have you heard about being given the correct directions by their satnav? Exactly everyones got an urbanmyth about things they dont like/need/agree with.
As for the comments about the maps, its the same as the ‘what watch for£?’ you get some numpty saying use the position of the sun, your mobile etc. The thing is, the OP asked a sensible and reasonable question, if you cant give the guy a relevant answer, dont post.
(Mild rant over)