GB3NGI Radio Beacons

Amateur Radio beacons GB3NGI

This site contains information on the GB3NGI Amateur Radio Beacon cluster.

The beacons are located 500 metres above sea level atop Slieve Anorra Mountain in County Antrim, Northern Ireland - Maidenhead Grid Locator IO65VB.

Slieve Anorra Mountain is about 15 miles south of the town of Ballycastle close to the Giant Causeway Tourist attraction -

The beacons serve as a useful indicator of the various propagation modes and also provide a useful frequency reference.

The first GB3NGI beacon was the 144 MHz beacon and it came into operation on the 15th December 1995.

There are currently five beacons licenced for the site: -

Beacon Status
50.006 MHz Operational
50.462 MHz Operational
144.482 MHz Operational
432.482 MHz Operational
1296.905 MHz Operational
10386.895 MHz Off Air


The GB3NGI Team comprises Gordon GI6ATZ, Jim GI1CET, Geoff GI0GDP and Gerry GI4MHD.


The installation, maintenance and operation of the GB3NGI beacons would not be possible without the help and support of the following people: -

, Ian GI6PLO, Ian GM3SEK, Mike GD6ICR, Roger GW4WND, John GI4BWM, David GI4SNA, John G4BAO, Andy G4JNT, James G3RUH, Dave G4HUP, Sam G4DDK, Murray G6JYB and COBRAS

If you would like to contribute to the upkeep of the GB3NGI Beacon Cluster then please click on the link below