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Maidenhead Locator


The Maidenhead Locator System is a scheme used by amateur radio operators for identifying positions on the Earth. It was proposed by the British radio amateur Dr. John Morris (G4ANB), and later adopted by a group of VHF managers, meeting in Maidenhead, England in 1980. The Maidenhead Locator System supplants the older QRA locator system with one that is usable outside of Europe.

Maidenhead locators are also commonly referred to as grid locators or grid squares, despite having a non-square shape on almost any cartographic projection.

This information was copied from Wikipedia and the links in the text refer to relevant Wiki pages.

"Do you know exactly where you are...??"


This page provides a "quick and dirty" calculation of the distance between two locator points and the "initial bearing" (or beam heading) - on the short path - from the local station to the remote station.


Enter your locator to find out how far you are from my station and what short path beam heading you should use.


Optionally you can enter any other remote locator.


Both lower and upper case are accepted.

Enter your local QTH locator:



Enter the remote QTH locator:


  (shown value is the locator for VK2GWK)



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