Advertisement
If you have a new account but are having problems posting or verifying your account, please email us on hello@boards.ie for help. Thanks :)
Hello all! Please ensure that you are posting a new thread or question in the appropriate forum. The Feedback forum is overwhelmed with questions that are having to be moved elsewhere. If you need help to verify your account contact hello@boards.ie
Hi there,
There is an issue with role permissions that is being worked on at the moment.
If you are having trouble with access or permissions on regional forums please post here to get access: https://www.boards.ie/discussion/2058365403/you-do-not-have-permission-for-that#latest

Question about rte reception.

  • 13-06-2011 6:23pm
    #1
    [Deleted User]
    Posts: 0 ✭


    My RTE 1 and 2 reception comes through VHF on Mt Leinster (live in South Eastern part of Tipperary).

    Lately we installed a new wide-band UHF aerial however amazingly it is still picking up RTE 1 and 2 in analog, albeit poorly in spite of the fact Mt Leinster only transmitting in VHF.

    Is this due to overspill or how is it possible? Pretty irrelevant considering ASO next year but still. :)


Comments

  • #2
    Vince Cable
    Closed Accounts Posts: 272 ✭✭Vince Cable


    Deleted User wrote: »
    Is this due to overspill or how is it possible?

    Overspill of what? A UHF aerial will get some VHF signal unless you filter it out afterwards.


  • #3
    [Deleted User]
    Posts: 0 ✭ [Deleted User]


    Vince Cable wrote: »
    Overspill of what? A UHF aerial will get some VHF signal unless you filter it out afterwards.

    Sorry i meant overlap. UHF starts at 21-68 so maybe it is picking up a signal from 13 or 15 or wherever the RTE channels are coming in from?

    By filter what out do you mean? sorry im not up with the terminology


  • #4
    Vince Cable
    Closed Accounts Posts: 272 ✭✭Vince Cable


    I just meant that the UHF aerial can't completely reject the VHF signal.

    That's why when combining a UHF & VHF aerial for analogue, to avoid ghosting caused by these weaker signals you use a diplexer (filtered combiner) which filters the VHF signal from the UHF input & vice-versa.

    The 'wrong' signal can be even stronger if it's picked up on the side or back of the aerial, where the directional properties are not so good.


Advertisement