THE TRANSMISSION GALLERY
|Photos by Mark Bridgewater and Anthony Rowlands, info from Mike Pratt||Page last updated: 2015-11-30|
|Ffestiniog entered service with 405-line ITV, VHF channel 13, on 28th February 1969. 405-line BBC 1, on VHF channel 5 and BBC FM radio were added in May 1969. Both 405-line TV services closed on 6th July 1982.|
UHF TV channels 1 - 3 were added on 1st October 1976, with S4C available from the start on 1st November 1982. DSO was on the 21st October and 18th November 2009.
The BBC FM radio channels were converted to stereo in the spring of 1983 and re-engineered for mixed polarisation in November 1993. Radio's 1 & 4 were added on 2nd December 1993.
The aerials on the tower are (from the top):
Analogue TV (six enclosed antennas pointing north toward Ffestiniog and Blaenau Ffestiniog, and four antennas pointing south toward Trawsfynydd).
Unidentified UHF dipoles
T-Mobile sector antennas
Two VHF/FM yagis, both slant polarisation, one slant pointing south, one pointing north (opposite slant)
BT Cellnet (O2) sector antennas, Vodafone sector antennas
TV receive antenna, V pol facing west, picking up Llandecwyn
Microwave backhaul antennas (unknown).
Two VHF yagi's, receives for the national FM's, both pointing south towards Blaenplwyf.
|The mobile phone base station cabinets have their own enclosure (walled but open roof). Probably to avoid wind chill - suspect the Ffestiniog site is fflipping ffreezing on a winter day!|
Feature: Ffestiniog - 405 line Band III information (ITV VHF service area)
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