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Hunting
Maps, GPS and Google Earth
compass use
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<blockquote data-quote="ntsqd" data-source="post: 1673689" data-attributes="member: 93138"><p>Declination adjustment was the very first thing the instructor checked. It was correct for the area, i.e. what the topo map we were using said it should be. Which as I recall was in the 15°-17° range.</p><p></p><p>Then he laid the college compass' out next to each other on a wood table and placed mine next to them. Mine pointed considerably West of their readings. We moved them around the table just in case something in it was influencing the reading. Didn't change.</p><p>FWIW he then plotted out where I should have landed with the erroneous compass readings and confirmed that those spots were where I had ended up. Got a B in class in spite of the bad compass.</p></blockquote><p></p>
[QUOTE="ntsqd, post: 1673689, member: 93138"] Declination adjustment was the very first thing the instructor checked. It was correct for the area, i.e. what the topo map we were using said it should be. Which as I recall was in the 15°-17° range. Then he laid the college compass' out next to each other on a wood table and placed mine next to them. Mine pointed considerably West of their readings. We moved them around the table just in case something in it was influencing the reading. Didn't change. FWIW he then plotted out where I should have landed with the erroneous compass readings and confirmed that those spots were where I had ended up. Got a B in class in spite of the bad compass. [/QUOTE]
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