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Emergency gear to keep in Back Pack
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<blockquote data-quote="dfanonymous" data-source="post: 2698494" data-attributes="member: 97050"><p>How do you calibrate the earths magnetic field. Some of non toy like compasses have declination adjustment on them.</p><p></p><p>The only compasses that needed to be calibrated are digital, and analog that are in certain planes and ships. If a compass is broke, or simply loses magnetism for whatever reason, then it's of no use unless it can be fixed or replaced. </p><p></p><p>Even so, say you have a particular place to go on a map full of terrrain. How do you get you bearing? Do you use grid north or magnetic north? Do you plot points, and have a protractor with the correct scale for your map? </p><p></p><p>Again, this thread is beyond the scope of the forum. Most people who know how to navigate like this aren't the ones getting into problems from lack preparedness or knowledge. Unless maybe we have some 1stLTs on here…</p></blockquote><p></p>
[QUOTE="dfanonymous, post: 2698494, member: 97050"] How do you calibrate the earths magnetic field. Some of non toy like compasses have declination adjustment on them. The only compasses that needed to be calibrated are digital, and analog that are in certain planes and ships. If a compass is broke, or simply loses magnetism for whatever reason, then it’s of no use unless it can be fixed or replaced. Even so, say you have a particular place to go on a map full of terrrain. How do you get you bearing? Do you use grid north or magnetic north? Do you plot points, and have a protractor with the correct scale for your map? Again, this thread is beyond the scope of the forum. Most people who know how to navigate like this aren’t the ones getting into problems from lack preparedness or knowledge. Unless maybe we have some 1stLTs on here… [/QUOTE]
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