The result shows the latitude and longitude of the Maidenhead Grid Square calculated to be in QF22mg. In this case I have entered an address of 1018 Plenty Road, Bundoora, Vicoria, 3083. You can enter an address, city, state and postcode, or a callsign (the callsign address information is extracted from QRZ.COM). The first calculates your grid locator based on an address or latitude/longitude. If you want to know what grid square represents your location, I recommend two references on the net. In New Zealand only two grids cover the country, RF and RI. For Australia the first two grid square letters range from OH at the top western extreme of Australia to QE for Tasmania and to the east. The whole world has been divided into grid squares. The actual grid locator for a station’s location is derived from their latitude and longitude on the earth and generally consists of 2 letters, 2 numbers and 2 letters. Many VHF and above contests, such as the John Moyle Field Day, rely on stations knowing their grid locator so that points can be allocated based on the distance between stations. The grid locator system comes into its own particularly on VHF and above where stations are keen to record contact (QSO) distances. John Morris, G4ANB, is accredited with developing the Maidenhead (Grid) Locator system in 1980, which has been adopted worldwide by radio amateurs.
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