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Photos by Jordy Lyons Page last updated: 2021-10-12
Killowen Mountain Co. Down
NGR: J207174 Maps: Google  Bing (Ord Surv)   Site Height: 326.7m      Structure Height: 10m
Digital TV: BBC A: 27   D3&4: 21   BBC B: 24  
Analogue TV: BBC1: 31   BBC2: 27   ITV1: 24   Ch4: 21  
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Digital Radio:
Comments: Killowen Mountain is an active deflector of Divis

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January 2006

Killowen Mountain, which sits at the top of Slieve Martin, high above Rostrevor (not far from the Rostrevor Forest relay). The RTE site at Clermont Cairn is also visible from here, sitting just across Carlingford Lough.

Killowen Mountain is an active reflector, which means it rebroadcasts its parent station (in this case Divis) on the same channel allocations. This is why the receive and transmit aerials (both trough types) are mounted a short distance apart on separate structures.

It seems that the main purpose of this site is to provide a useable feed to the Kilkeel relay.

It was a beautiful clear day until I reached the summit so please forgive the amount of cloud cover.

Originally a BBC landlord site, TV channels 1 - 3 entered service on 2nd September 1977, with Channel 4 from March 1984. DSO was on 10th and 24th October 2012.

There are also two other masts at this site, the largest of these, built recently, has no antennas fitted yet. The smaller mast seems to carry the usual array of mobile phone equipment.

Carlingford Lough (Northern Ireland to the left and the Irish Republic on the right).

Kilkeel | Rostrevor Forest

This site is now included in the Update List for the following reason:
Photos on a clear day would be good, inc. new mast

Please let us know if you think there is another reason photos should be updated.
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