True North Multi-Cache

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RCA777: Making room for Spring Fling 7! Thanks to the original CO!

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Hidden : 5/2/2009
Difficulty:
3 out of 5
Terrain:
1.5 out of 5

Size: Size: regular (regular)

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Geocache Description:


How to find True North

How to find True North


This 2 stages multicache will require you to learn about projected waypoints.


Important Instructions


Go to the posted coordinates above and gather the instructions. Using those instruction, program your GPS to project this waypoint. This will take you to the final stage. The final is a few steps away from the path, there were no Trilliums there when I placed the cache but if you see those beautiful flowers, it is illegal to step on them. (Garmin) Select the waypoint for the launchpad and hit menu, choose "projected waypoint", enter the bearing and distance (in meters) and Go! (these calculations were made using the true north method)



True North


(also known as Geographic North or Map North - marked as H on a topographic map) is the geographic north pole where all longitude lines meet. All maps are laid out with true north directly at the top. Unfortunately for the wilderness traveler, true north is not at the same point on the earth as the magnetic north Pole which is where your compass points.


Magnetic North


Think of the earth as a giant magnet (it is actually). The shape of the earth's magnetic field is roughly the same shape as the field of a bar magnet. However, the earth's magnetic field is inclined at about 11° from the axis of rotation of the earth, so this means that the earth's magnetic pole doesn't correspond to the Geographic North Pole and because the earth's core is molten, the magnetic field is always shifting slightly. The red end of your compass needle is magnetized and wherever you are, the earth's magnetic field causes the needle to rotate until it lies in the same direction as the earth's magnetic field. This is magnetic north (marked as MN on a topographic map). If you locate yourself at any point in Canada, your compass will orient itself parallel to the lines of magnetic force in that area.

 

Additional Hints (Decrypt)

Fgntr bar vf hcfvqr qbja

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)


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