Marsden square
http://en.wikipedia.org/wiki/Marsden_Square
Marsden Square covers from Latitude south 70 degree to North 80 degree, and stretched in latitude direction. Divide area described above into 10° latitude by 10° longitude areas. Each area has unique ID number from 1 to 288 and from 300 to 551. Each area can be divided into 100, one-degree squares numbered from 00 to 99.

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