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    Teach me about signal strength ;)

    This is a discussion on Teach me about signal strength ;) within the Sky & Sky+ TV forums, part of the Other Sky help and support category; hi clever peeps, I have 90% signal quality on both inputs but the signal strength tends to wobble even as ...

    1. #1
      mcphailan.'s Avatar
      mcphailan. is offline Sky User Member
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      Teach me about signal strength ;)

      hi clever peeps, I have 90% signal quality on both inputs but the signal strength tends to wobble even as I watch the signal meter - varies between 40 and 60.

      is that good, bad or just strange?

      Hardly ever have picture probs, but seems pretty susceptible to heavy rain...


      We just cleared a big tree branch away from the direct path of the dish but this made little difference to this signal behaviour (quality improved from 70-80 to 90) though what sort of diameter of "cone" of transmission the signal takes I don't know...


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      Re: Teach me about signal strength ;)

      The sky box signal meter only gives you a rough guide to strength on the default transponder only. The "wobble" is just where the box measures signal strength in 10-20% blocks and yours is sitting between 2 blocks. The quality is a direct representation of your signals "Bit Error Rate/Ratio" and 90% is pretty good! You won't get much better!!
      If you want to make your system less susceptible to rain interference, fit a bigger dish! An 80cm dish will work just fine. Bigger dish = more gain, but narrower beamwidth so harder to align. Expect to pay around 30 on ebay for a dish with LNB and around 60 to get it fitted/aligned.

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      mcphailan.'s Avatar
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      Re: Teach me about signal strength ;)

      That's great, thx Woodster for the expert help, seems we're "normal"

      A bit paranoid cos we did have enormous (picture breakup) problems years back cos Sky had only installed the dish half-way up the wall (and we did have bushes/trees in line of sight). ! Got it moved higher and probs resolved, but boy were they reluctant to agree with me to try that

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      Re: Teach me about signal strength ;)

      Signal quality is far more important than signal strength (although the two are linked)

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      mcphailan. (06-07-11)

     

     

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