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Testing TV aerial signal strength

Discussion in 'General DIY' started by timtheenchanter, 30 Oct 2007.

  1. timtheenchanter

    timtheenchanter

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    is there a way of doing this with a multimeter??

    I know my aerial needs moving for full digital reception, but we can get some of the existing channels.

    following recent transmitter work we now have a problem with the channel 5 group of channels (5, 5US & 5life) all others remain unchanged, either we get them or not.

    these 3 had full reception before (as shown on the strength meter on the digi box.), and still have, but now they break up, and stutter.

    we have a amp/splitter supplying the bedroom TV, but removing this has made no difference to digital, but a degradation on BBC 1 and ITV1.

    I am trying to solve this in the short term, as we cannot afford a replacement aerial at the moment, and wondered if this problem was due to a now too strong signal.
     
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  3. breezer

    breezer

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    no.

    a MM can only read volts, resisatnce or current

    you need a signal strength meter

    but you could always physicaly check the cabe for connections / damage
     
  4. timtheenchanter

    timtheenchanter

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    thanks, i didnt know (still dont really) how a RF strength is measured, or if there was a simple circuit to do so from a multimeter.

    I am aware we are at present pointing at a booster, which had digital work done on it recently, and there is a full transmitter nearby, my intention eventually is to replace the aerial to point to the main transmitter.

    I was thinking that the work done had increased the power of the booster, and was now too strong, as removing the inline booster/splitter has helped with the digital, but the analogue is now rubbish.

    Anyway, as a temporary measure i have put the booster/splitter inbetween the digibox, and VCR so the digibox gets a ray signal, but the VCR, and TVs get the boosted.
     
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