Tuesday, May 29, 2007

latitude longitude facts

1 minute of latitude = 1852 meters (very close approximation)
1 degree of latitude = 111.12 km
1 degree of longitude = (111.320 + 0.373sin²φ)cosφ km, where φ is latitude
(information from wikipedia)
For 21 points (last points overlap), each point is 18 degrees away from one another.

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