GC21VCN Halfway North 3rd Option (Traditional Cache) in Ontario, Canada created by RickOnTheRange

GC21VCN ▼

A cache by RickOnTheRange Message this owner

Hidden : 7/11/2010

Difficulty:

Terrain:

Size: Size: regular (regular)

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Geocache Description:

Halfway between the Equator and the North Pole - It all depends on definitions. This is Definition 3 - Halfway is N 5,000,983 meters UTM

While you are on the Peninsula, please be sure to check out the "1st Option", along with the "2nd Option" for a greater understanding of this simple question.

Why not N 45° ? The Observer's Handbook gives the relationship to calculate the distance required to change 1 degree of latitude at any longitude. (see p28 2004, Ed. The Royal Astronomical Society of Canada)

Technical definition is the distance in kilometers between 1 degree latitude = 111.13295 - 0.55982 km cosine(2 x latitude)+ 0.00117 cosine(4 x latitude). So the distance from the Equator to a pole is 90 x 111,132.95 m = 10,001,966 meters. To be halfway between the equator and the pole you must be 5,000,983 meters from the equator (or the pole).

A clear 800ml lock'n'lock box containing log book, pencil, regular trading items. It is best to go in behind, and look toward the road, in order to spot this one.

RubberRabbit's parents live close to here, and Gram lived just a mile farther up Dorcas Bay Road. Tobermory is always a great place to visit.

Yes, I know that we could discuss datums and mapping errors, but that just proves there is no perfect answer. Special thanks to Professor Steve Dutch at University of Wisconsin for adding to my understanding of an apparently simple question.

FTF congratulations go to The J Girls

Happy Hunting

Additional Hints (Decrypt)

arne gur fghzc, haqre ybt, oruvaq gnznenp.

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)