Adventure Racer wrote:Good point. Even more importantly North lines shouldn't be parallel.
Quite right. Yet another reason why we should use East lines: this is orienteering not septentrienteering after all.
Magnetic North
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Re: Magnetic North
by graeme » Fri Oct 26, 2007 12:34 pm
Quite right. Yet another reason why we should use East lines: this is orienteering not septentrienteering after all.
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Re: Magnetic North
by Angry Haggis » Fri Oct 26, 2007 1:20 pm
Here's a nice little animation (from Wikipedia) - at least we weren't orienteering in 1820. Magnetic north was 30 degrees out in the UK back then - quite a rotation needed.
Also, see the world declanation as of 2005 - no adjustment needed for France at the moment.
Also, see the world declanation as of 2005 - no adjustment needed for France at the moment.
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