Re: Maps! (let's have a seperate thread, instead of using roll call)


I currently use 2deg, and current rate of change is about 1/4deg per
year.

In 5 years time I might enquire if the rate of change has altered
significantly.

I dont need the very latest map in my possesion to know what the
current magnetic deviation is, do I ?

Hang-on a minute!

Is all this precise magnetic variation really nessessary?
I've been telling my scouts "4 divisions anti-clockwise" for 30 years or
more.

The most I could ever imagine walking on a compass bearing with my scouts is
maybe one field in the fog, yomping through a wood for a short-cut for half
a mile. On very rare occasions I have been on a misty hill-top in Wales and
walked for a mile, but I doubt f I would ever get the chance again...
So come-on you experts....
If I set a compass at 4 div ( 8 deg ) anti clockwise.
How far out would I be from where I should be after walking 1 mile?

I would be more than happy, indeed extatic, if my scouts ( and Explorers)
used their compasses to check the direction of ROADS; to turn left or right
and more seriously to decide on the correct fork of paths in a forest.
Should I really care tuppence about magnetic variation?
Eddie Langdown GSL 16th Bermondsey, London
http://bermondseyscout.co.uk/


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