Analogue television Llanddona transmitting station
1 analogue television
1.1 january 1958 - 3 june 1967
1.2 3 june 1967 - 6 september 1973
1.3 6 september 1973 - 1 november 1982
1.4 1 november 1982 - january 1984
1.5 january 1984 - 15 november 1998
analogue television
january 1958 - 3 june 1967
it unclear when transmissions began. big tower claim 405-line television llanddona started in january 1958, , entrance plaque transmitter building agrees mast , building built in 1958. oddly, bbc research report 1963-50 not mention start date though point out co-channel interference (presumably divis in northern ireland, 180 km northwest across irish sea) severe . caused transmitter s useful service area smaller planned, , forced building of holyhead relay.
405 alive counter-claim precise date of 15 may 1962 start of 405-line television.
3 june 1967 - 6 september 1973
the first uhf transmitter @ site entered service.
6 september 1973 - 1 november 1982
itv s transmissions started on 6 september, bbc 1 wales uhf service had commenced before then.
1 november 1982 - january 1984
channel 4 launched across uk. being in wales, llanddona transmitted s4c variant.
january 1984 - 15 november 1998
the 405-line vhf tv transmission discontinued after 22 years of service.
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