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Sky signal strength

  • 26-10-2014 11:59am
    #1
    Discodog
    Registered Users, Registered Users 2 Posts: 15,918 ✭✭✭✭


    I have installed a new standard 60 cm Sky dish near Galway. I can't get the signal strength, on the box, above about 1/3 to 1/2. I can get the signal quality up to 3/4.

    I have a good picture but rain affects certain channels like Sky News. Apart from a bigger dish is there anything else that might increase the signal strength. I could reduce the cable length by rerouting it but I don't want to bother if it has no effect.


Comments

  • #2
    Thurston?
    Closed Accounts Posts: 2,278 ✭✭✭Thurston?


    How long is the cable? What type of cable? (Thin 'shotgun' type has high signal loss.)


  • #3
    Discodog
    Registered Users, Registered Users 2 Posts: 15,918 ✭✭✭✭Discodog


    Thurston? wrote: »
    How long is the cable? What type of cable? (Thin 'shotgun' type has high signal loss.)

    The cable is the original cable fitted by Sky around 6 years ago. It doesn't seem overly thin.


  • #4
    Avns1s
    Registered Users, Registered Users 2 Posts: 3,422 ✭✭✭Avns1s


    Have you checked the skew of the LNB?

    Look here if you don't know what I mean.


  • #5
    Thurston?
    Closed Accounts Posts: 2,278 ✭✭✭Thurston?


    Discodog wrote: »
    The cable is the original cable fitted by Sky around 6 years ago.

    Did this installation always have problems with rain fade? Did you compare the old & new dish for size? (Presumably they're both zone 2, the 60cm you mention in your OP measured from top-to-bottom.)

    Are you relying solely on the Sky box display & do you have it in view of the dish while carrying out adjustments?


  • #6
    Galway
    Registered Users, Registered Users 2 Posts: 654 ✭✭✭Galway


    Discodog wrote: »
    I have installed a new standard 60 cm Sky dish near Galway. I can't get the signal strength, on the box, above about 1/3 to 1/2. I can get the signal quality up to 3/4.

    I have a good picture but rain affects certain channels like Sky News. Apart from a bigger dish is there anything else that might increase the signal strength. I could reduce the cable length by rerouting it but I don't want to bother if it has no effect.

    You need a proper meter to avoid rain fade when aligning a dish.


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  • #7
    Thurston?
    Closed Accounts Posts: 2,278 ✭✭✭Thurston?


    Galway wrote: »
    You need a proper meter to avoid rain fade when aligning a dish.

    Plenty of dishes have been satisfactorily aligned without professional equipment. No problems getting the signal margin to combat rain fade.


  • #8
    Discodog
    Registered Users, Registered Users 2 Posts: 15,918 ✭✭✭✭Discodog


    I used a proper meter & I adjusted the focus & the skew.


  • #9
    Thurston?
    Closed Accounts Posts: 2,278 ✭✭✭Thurston?


    Are you a professional installer? Just so I know who I'm trying to advise. (I'm no pro.)

    What 'focus' can you adjust on a Sky dish? And the skew is just numbered presets. Is this an actual zone 2 Sky dish we're dealing with, or what?


  • #10
    Discodog
    Registered Users, Registered Users 2 Posts: 15,918 ✭✭✭✭Discodog


    Thurston? wrote: »
    Are you a professional installer? Just so I know who I'm trying to advise. (I'm no pro.)

    What 'focus' can you adjust on a Sky dish? And the skew is just numbered presets. Is this an actual zone 2 Sky dish we're dealing with, or what?

    I am not a pro installer. It's a standard Zone 2 dish. The focus is adjusted by the forward & back adjustment of the LNB. The skew doesn't have presets. In any event I have adjusted both to get the best signal.

    I was trying to find out what the typical signal strength would be.


  • #11
    Thurston?
    Closed Accounts Posts: 2,278 ✭✭✭Thurston?


    Discodog wrote: »
    It's a standard Zone 2 dish. The focus is adjusted by the forward & back adjustment of the LNB. The skew doesn't have presets.

    I haven't come across a Sky LNB that wasn't basically locked in place apart from the skew 'clicks'.

    If you have a mismatched LNB (elliptical Sky dish, LNB for circular dish) that could be the root of your problem but I don't know how you'd end up with this unless you deliberately chose not to use the Sky LNB.

    Maybe post a pic. of what you have.


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