Using GPS and Map and Compass together! - ClubTread Community

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post #1 of (permalink) Old 08-08-2014, 10:13 AM Thread Starter
Scaling New Heights
 
Join Date: Jan 2011
Location: Labrador City, NFLD, Canada.
Posts: 69
Default Using GPS and Map and Compass together!

Hi All

Like to make sure I have got it right any help, ideas would be great!

My GPs 62st and Map,Compass together going to set my GPS to UTM (find it easy to read off the map) set the gps to read map which is NAD27 Canada

Do I set the GPS to Magnetic has well! to match my compass?

If I use Garmin Basecamp software can it be set to NAD27?

So if I plot on the software then download to GPS it should be all the same?

And so if I plot waypoints, camping areas and so on the basecamp and then draw, mark onto on the map?

It should all work?

I think I have it all right did I miss anything?

This is all if my gps dies. I can carry on with my map and compass

Thanks

Labrador Man
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post #2 of (permalink) Old 08-08-2014, 10:44 AM
Off the Beaten Path
 
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Quote:
quote:Originally posted by Labrador Wild Man

Do I set the GPS to Magnetic has well! to match my compass?
Well, you can't make the map itself magnetic. I would recommend keeping North to True North, and if possible, set the declination on your compass.

Quote:
quote:Originally posted by Labrador Wild Man

And so if I plot waypoints, camping areas and so on the basecamp and then draw, mark onto on the map? It should all work?
Probably. There's some skill involved to the whole operation. Routes don't usually go in a straight line. Generally, I find that out on a glacier, being able to navigate by dead reckoning is important, while in the forest being able to read terrain and have a good sense of things is more important.
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post #3 of (permalink) Old 08-08-2014, 11:01 AM Thread Starter
Scaling New Heights
 
Join Date: Jan 2011
Location: Labrador City, NFLD, Canada.
Posts: 69
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thanks good info

will keep the gps true North

thanks

LWM
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post #4 of (permalink) Old 08-08-2014, 02:47 PM
Headed for the Mountains
 
Join Date: Jan 2010
Location: Brentwood Bay, BC, .
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with my gps when I set it to magnetic north, the map keeps true north to the top (if set to north up) but the bearings, etc. are in magnetic north. So the maps are the same.

If I was using a compass where I can't offset the declination I would consider setting the gps to magnetic north so bearings off of the gps and compass were more or less the same. I'm not sure how accurate the gps magnetic variation is, but even if it's off my a degree or two that's closer (in my part of the world) than miscalculating or forgetting to calculate the difference between a true bearing vrs magnetic bearing.
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