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Dual LNB setup question

  • 15-05-2008 06:00PM
    #1
    Gadgie
    Registered Users, Registered Users 2 Posts: 1,079 ✭✭✭


    I have an 80cm dish with dual LNB bracket. I want to pick up 13e and 19.2e with it - would it be better to align the dish to 19.2e first, then adjust the bracket to pick up 13e, or the other way round?


Comments

  • #2
    byte
    Moderators, Regional North West Moderators Posts: 19,173 Mod ✭✭✭✭byte
    byte


    As 13e is a bit weaker, I'd go with aligning it first, and then working on 19e.

    Unless it's a Traix dish, where neither LNB's get the prime focal point.


  • #3
    Gadgie
    Registered Users, Registered Users 2 Posts: 1,079 ✭✭✭Gadgie


    It's a Channel Master dish that I bought from satellite.ie about five years ago. I don't think they make them any more. I bought the dual LNB bracket shortly afterwards.

    I've used the dish before for 28e, but not with the bracket.


  • #4
    byte
    Moderators, Regional North West Moderators Posts: 19,173 Mod ✭✭✭✭byte
    byte


    OK. Channel Master make good dishes. Well if the bracket is the type which allows a secondary LNB to be attached to one side of primary, then make 13e the primary LNB.


  • #5
    Gadgie
    Registered Users, Registered Users 2 Posts: 1,079 ✭✭✭Gadgie


    OK, thanks for the info.


  • #6
    Capt'n Midnight
    Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 94,366 Mod ✭✭✭✭Capt'n Midnight


    yeah 13E is weaker,

    the only reason you'd align to 19E is if you also want to get 28E later on


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  • #7
    byte
    Moderators, Regional North West Moderators Posts: 19,173 Mod ✭✭✭✭byte
    byte


    Capt'n Midnight wrote: »
    yeah 13E is weaker,

    the only reason you'd align to 19E is if you also want to get 28E later on
    Yeah, good point regarding 28E.


  • #8
    Hero Of College
    Closed Accounts Posts: 930 ✭✭✭Hero Of College


    Okay, now I'm lost. I thought you just face the bracket as far south as you could and then rotated the dish 28.2E so as to get the Astra28.......:confused: I did it today and it worked but the quality is poor but I think it might be the LNB. Yesterday a tonne of water fell out of my LNB.:eek::eek:


  • #9
    biologikal
    Closed Accounts Posts: 371 ✭✭biologikal


    LNB needs to be skewed (rotated) to maximise signal. This could be the problem, though water + electronics could be a problem also.


  • #10
    Hero Of College
    Closed Accounts Posts: 930 ✭✭✭Hero Of College


    biologikal wrote: »
    LNB needs to be skewed (rotated) to maximise signal. This could be the problem, though water + electronics could be a problem also.

    Yeah....Skewed...I noticed that when I was up there today on the ladder....If I kind of put a "twist" into the dish the little signal finder would scream a bit more. Any hoo, its only stop gap while the folks get their own SKY in.

    Cheers.

    HoC.


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