Maidenhead Locator System
The
Maidenhead Locator System is a system for locating positions on the globe commonly used by amateur radio enthusiasts or "hams". It is named after
Maidenhead, the town outside
London where it was first conceived by a meeting of European
VHF managers in 1980. A Maidenhead grid square measures 1ÃÂð latitude by 2ÃÂð longitude and measures about 70 ÃÂà100 miles in the continental
USA. The
American Radio Relay League uses the six digit form of the Maidenhead Locator System for its 10-GHz contest.
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