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THE TRANSMISSION GALLERY

Photos by Ben Smith Page last updated: 2016-01-09
Cwmafan Neath Port Talbot
NGR: SS798936 Maps: Google  Bing (Ord Surv) Site Height:       Structure Height: 35m
Digital TV: BBC A: 24 D3&4: 21 BBC B: 27
BBC Radio: Radio 1: 98.1 Radio 2: 88.5 Radio 3: 90.7 Radio 4: 92.9
  Radio Cymru: 104.5 
Ind. National Radio:
Ind. Local Radio:
Digital Radio:
Comments: Cwmafan is a relay of Wenvoe for both TV and network FM

The Cwmafan TX is located just to the south of Pontrhydyfen, and happily there is a public byway that runs right past it, although it's a very narrow, steep, rocky, twisty track - and I wouldn't advise using it unless you have a very capable off-road vehicle!

The site is pretty much tree-locked, and receives Wenvoe tv by means of a trough aerial and FM by a Band-II log periodic.

Unusually the relay transmits from a pair of vertically polarised trough antennas, one pointing at Cwnafan itself, the other at the town of Pontrhydyfen. FM is broadcast from a single dipole on the north face of the tower.

I wish I could give you a sense of the noise here - you can see how tall the trees are by the height of the receive trough and satellite dish, but it's still very windy. There was a loud, eerie, almost ethereal sound as the wind gusts and blows through the structure - could the wind be the reason for choosing troughs as TX arrays?

Originally an IBA landlord site, TV channels 1 - 3 entered service on 16th August 1974, with S4C available from the launch on 1st November 1982. DSO was on 3rd and 31st march 2010.

BBC FM radio was added on 19th August 1993.


















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