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Search: Posts Made By: ittiandro
Forum: Maps, GPS, Orienteering   06-11-2016, 04:16 PM
Replies: 10
Views: 3,327
Posted By ittiandro
You are absolutely right. I overlooked the...

You are absolutely right. I overlooked the yearly variation in the magnetic declination. The area is 4640' N Lat and 7335' W Long.The map showing a magnetic declination of 1635'dates back to...
Forum: Maps, GPS, Orienteering   06-10-2016, 07:04 PM
Replies: 10
Views: 3,327
Posted By ittiandro
The topographic map I have for a local area here...

The topographic map I have for a local area here in Quebec shows the Magnetic North shifted to the West ( left) in relation to the True North, but the angle is 1635', not 14. Any comments on this?...
Forum: Maps, GPS, Orienteering   06-10-2016, 10:52 AM
Replies: 10
Views: 3,327
Posted By ittiandro
Thank you so much I probably made a...

Thank you so much

I probably made a mistake: my orienteering skills must have become a bit rusty with time !

I am a windsurfer and the reason for my question was to visualize on the...
Forum: Maps, GPS, Orienteering   06-09-2016, 05:56 PM
Replies: 10
Views: 3,327
Posted By ittiandro
Weird answer, too ! I posted my question to have...

Weird answer, too ! I posted my question to have an answer, not to be rated in terms of weirdness !

I may have made a mistake in my calculations, all right, but hoped this Forum would be here...
Forum: Maps, GPS, Orienteering   06-09-2016, 04:38 PM
Replies: 10
Views: 3,327
Posted By ittiandro
North on compass-oriented map does not coincide with Google North

Hi
I have oriented a Google Earth Map printout for a certain location with a compass, but the compass North ( supposedly the magnetic North) on the oriented map points to a direction which is...
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