Longwave transmitter Clarkestown

From Wikipedia, the free encyclopedia

The longwave transmitter Clarkestown is a longwave transmitter near Clarkestown, County Meath, Ireland (see http://tx.mb21.co.uk/features/252/summerhill.asp for pictures). It was built in 1988 for the transmission of "Atlantic 252" on 252 kHz. The site has an ITU-cleared daytime transmission power of 500 kilowatts (100 Kw at night). It uses one 248-metre-high guyed steel framework mast with triangular cross section, which is insulated against ground. The transmitters are 2x300 kilowatt Continental Solid State built by Varian Associates of Dallas. The ground around the mast and the entire transmission site bed is lined with copper for conductivity.

Atlantic 252 was closed down on December 20th, 2001 and the transmitter was later taken over by RTÉ, the Irish national radio station. 252 kHz is now used for the AM version of RTE Radio 1, and will likely be the sole source of this after Q4 2008 [1], as the higher power, but lower range Tullamore transmitter on 567kHz is planned to be taken off air at that stage.

List of masts

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