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Digital (DTT) signals

Discussion in 'Satellite TV, Sky TV & FreeSat' started by hsbcarter, Jul 30, 2002.

  1. hsbcarter

    hsbcarter
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    Right, I know I am in a poor DTT signal area however I definitely can get all the BBC channels plus channel 5 and QVC etc.

    I do not get ITV 1, 2 or CH 4 etc.

    Now... does anyone know if and when BBC and Crown Castle get a move on that the signal "strength" (if thats the right name) will be any better?
     
  2. Squirrel God

    Squirrel God
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    I think ITV1, ITV2 etc are on a different multiplexer, which would explain why you are having problems receiving them despite being able to receive the others.

    In the future, I guess the coverage of DTT will be the same as for analogue terrestrial - it will have to be if we are going to shut off analogue. So you would expect continued expansion of the infrastructure over the next few years - I wouldn't want to put a date on it though.

    Have you tried an aerial booster? Some people say they can help.
     
  3. gringottsdirect

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    Get a dish.:cool:

    Have you experimented with changing the RF channel number you are receiving DTT through? What is your box? A different RF channel may give a stronger signal and more channels.
    Castle, BBC and Sky through DTT ramping up the signal, as Brian Wilson says God Only Knows, but she's already replied so I guess she doesn't. :)
     
  4. MartinImber

    MartinImber
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    You might need a better aerial, your cable may be knackered!
     
  5. redhat

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    This sounds similar to a problem my brother had, though he was only receiving BBC channels.

    The problem was that the ITV channels in his area were being transmitted on a frequency well outside the frequency group of his aerial. BBC channels were also outside the range of his aerial but a lot closer so he was detecting some signal.

    He switched to a wide band aerial and found he could get all channels and had enough signal strengh to leave the aerial in his loft.
     
  6. Tejpal

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    Dishes are too hard to install and get working for a novice like myself, dont you need a rader thingy to find the signal path?
     
  7. gringottsdirect

    gringottsdirect
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    No.
     
  8. Chris Muriel

    Chris Muriel
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    Why are people talking about dishes for DTT?
    The frequencies used for DTT (Band 4 & 5 UHF) are way too low to get decent antenna gain from a dish !
    You need a good yagi antenna for the right group in your area.
    A dish , even for the higher frequency end of Band5) would be enormous before any useful gain could be had (like 3 metres or more diameter).
    I have a 2-metre dish, but it's used for 10-12 GHz.

    Chris Muriel, Manchester.
     
  9. Squirrel God

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    They're not. Gringott's was talking about getting a dish for Sky and getting the FTA channels from that. ;)
     

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