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Saorview signal strength

  • 21-04-2013 7:06pm
    #1
    Hedgecutter
    Registered Users, Registered Users 2 Posts: 1,054 ✭✭✭


    I got a new TV today, our first saorview approved. Put up my aerial outside and measured the signal strength.

    I have a little fringe electronics box for measuring it and its showing a signal strength of 54 dbuv. Is this strong enough?

    Hooked up TV and picture is freezing. Have to check all connections before ruling connections out.


Comments

  • #2
    Peter Rhea
    Banned (with Prison Access) Posts: 4,285 ✭✭✭Peter Rhea


    Which model Fringe signal finder do you have? Does it specify if it's UHF only or UHF/VHF?

    Some of those signal finders are very wideband & would show readings from FM radio & all sorts.


  • #3
    The Cush
    Registered Users, Registered Users 2 Posts: 15,848 ✭✭✭✭The Cush


    Hedgecutter wrote: »
    I have a little fringe electronics box for measuring it and its showing a signal strength of 54 dbuv. Is this strong enough?

    You really need a meter that can measure the DTT COFDM signal strength and signal quality BER (bit error rate) for an accurate reading e.g. http://www.creativesatellite.co.uk/contents/en-uk/p1635_Digiair_Pro_DVB-T_Emitor_Terrestrial_Meter.html

    DTT Max Signal Level = 70dBμV
    DTT Min Signal Level = 45dBμV

    BER - minimum 2E-04 (2 errors in 10,000 data bits), best 0E-08 (zero errors in 10,000,000 data bits). More errors than 2E-04 and the picture breaks up.


  • #4
    Hedgecutter
    Registered Users, Registered Users 2 Posts: 1,054 ✭✭✭Hedgecutter


    Peter Rhea wrote: »
    Which model Fringe signal finder do you have? Does it specify if it's UHF only or UHF/VHF?

    Some of those signal finders are very wideband & would show readings from FM radio & all sorts.


    Pro tv and sat finder. Analogue and digital. Doesn't say any model type on it.
    I put the aerial higher and got a stronger signal, seems to have sorted problem.
    Getting 64 to 68 dbuv now.


  • #5
    Peter Rhea
    Banned (with Prison Access) Posts: 4,285 ✭✭✭Peter Rhea


    If you’re taking the signal reading straight from an aerial with no amplification, 54 dBµV is a decent signal level & should deliver solid reception.

    There’s no point criticising the meter, as it can’t be tuned to a single 8 mHz channel, so presumably just registers all the energy it picks up within the UHF tv band.


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