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post #1 of (permalink) Old 11-08-2013, 11:03 PM Thread Starter
Join Date: Jul 2004
Location: BC
Posts: 422
Default Declination calculator

Useful declination calculator. I'm probably not the only one who forgets to update declination on paper maps and compasses. Surprising how much it changes over time and space.

At the moment, for ex., 49 / 122 near Cultus Lake is 16.61° E changing by 0.19° W per year.

Vancouver's declination is 16° 52' 12" E changing by 11.9' W per year.

Victoria's is 16° 42' 58" E changing by 11.3' W per year.

Calgary's is 14° 38' 29" E changing by 12.6' W per year.

Seattle's is 16° 17' 36" E changing by 10.8' W per year.
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post #2 of (permalink) Old 11-09-2013, 01:58 PM
High on the Mountain Top
Join Date: Jul 2005
Location: north van, bc, Canada.
Interest: hiking / camping
Posts: 1,093

I have an iphone app that gives current declination for current area based on phone gps. or can select other areas on world map for current declination anywhere.

though mine says vancovuer is 17.08...
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post #3 of (permalink) Old 11-09-2013, 02:06 PM
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Join Date: May 2008
Location: Van, BC, Canada.
Posts: 3,231 is offline  
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post #4 of (permalink) Old 11-10-2013, 07:56 AM
Headed for the Mountains
Join Date: Aug 2008
Location: Calgary, Alberta, Canada.
Interest: Hiking, diving, snowshoeing, kayaking
Posts: 324

Thank you for posting those links. Good reminder to update one's maps, given those rates of change. Happy Trails
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