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relays/transposrs

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  • 10-11-2010 10:23pm
    #1
    Mike 1972
    Closed Accounts Posts: 8,018 ✭✭✭


    Initially RTE were carried on five main transmitters but when which were the first relay transposers and when did they open ?

    Was the "Donnybrook" transmitter relay a relay or a link (feed) to Kippure ?

    What was coverage like in Cork city when they had to rely on Mullaghanish ?

    What of North Donegal ? Could they get fringe reception of Truskmore (before they got their own relays) or were they just watching BBC/UTV ?


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    #2
    watty
    Registered Users Posts: 32,417 ✭✭✭✭watty


    Spur hill must have been early as Mullaghanish is non-existent in parts of Cork City,

    Clermont Cairn, Carn Hill, and Three Rock the first 3 "main" UHF only Sites?

    Spur became a main site instead of a repeater long ago, Woodcock in Limerick a very late UHF repeater that became a main site (fibre fed) in last few years.

    Monaghan the only remaining VHF repeater?

    I think a lot of Donegal, West Cork, and bits of Kerry still have rubbish to non-existent reception.

    RTE's analogue coverage is (a) Overstated, (b) Population % not Geographic %

    DTT coverage may already exceed TG4 coverage on Analogue!


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    #3
    Digifriendly
    Registered Users Posts: 4,046 ✭✭✭Digifriendly


    watty wrote: »
    RTE's analogue coverage is (a) Overstated, (b) Population % not Geographic %

    DTT coverage may already exceed TG4 coverage on Analogue!

    Or TV3 analogue coverage for that matter!


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    #4
    Mike 1972
    Closed Accounts Posts: 8,018 ✭✭✭Mike 1972


    watty wrote: »
    Clermont Cairn, Carn Hill, and Three Rock the first 3 "main" UHF only Sites?

    Were there a lot of TV sets sold in Ireland (1960's/early 70's) without UHF tuners ?

    I dont remember there being one on the ancient (even then) set we were using at home in the 1970's ?

    Perhaps this might go some way to explaining RTE's apparent early reluctance to embrace UHF technology (in contrast to their spell of "UHF mania" in the 1990's when dozens of relay stations switched from VHF to UHF for no apparent reason)

    Seemingly RTE2 was originally to have been UHF-only but through use of polarisation and precision offset RTE were able to maximise use of VHF band 3.

    Were there ever regulations in Ireland mandating 625 line and/or UHF on TV's sold there or was it all left to market forces ?


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    #5
    Tom Slick
    Closed Accounts Posts: 393 ✭✭Tom Slick


    I remember an old Bush TV we had that received the 405 line broadcasts from Divis/Black Mountain had one of its channel buttons labeled UHF.
    Presumably it also received RTE in 405 line. Wasn't this broadcast from Kippure & Monaghan? Wonder if 625 was also transmitted from Monaghan.
    Anyone know when the Monaghan tx started up or when it ceased the 405 line transmissions?


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    #6
    Mike 1972
    Closed Accounts Posts: 8,018 ✭✭✭Mike 1972


    Tom Slick wrote: »
    I remember an old Bush TV we had that received the 405 line broadcasts from Divis/Black Mountain had one of its channel buttons labeled UHF.

    In the UK all 625 lline broadcasting was/is on UHF and 405 was confined (apart from some tests in the late fifties) to VHF. But in Ireland (as in much of Europe) 625 was used on VHF and UHF many sets made for the UK market could (stupidly) only get 625 on UHF.

    Monaghan was originally a 405 line relay and 405 line transmissions from there continued a few years after they ceased from Truskmore/Kippure IIRC. For a few years there as no RTE2 from Monaghan either.


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