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Great Circle maps
These sites all have versions of Great Circle map generating software which may be centered upon your location. The last site also has a wealth of additional free software for many, many radio applications.

Your geographical coordinates
Lyn, W4WDN, QTH Antenna mail list, March 13, 2000

The following web sites helps you to determine your latitude and longitude coordinates, the distance and direction from most any place to most any other place, and the difference between true North and what your accurate compass shows.

US latitude and longitude coordinates

Distance and direction in the world

Difference between true North and an accurate compass
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