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Thread: LNB replacement Costa Blanca

  1. #1
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    LNB replacement Costa Blanca

    Hi

    I thought I knew something about satellites but obviously not so please bear with me.

    I decided to change my dual LNB invacom (1.8m dish) for a Quad invacom which I did no problem. Of course I have now lost BBC2 & Channel4

    I didn't know about LNB skew or distance of the lnb from the dish!

    I've now read up about skews and polarity and it makes sense.

    So, how do I go about twisting the LNB into the right position?
    Does the LNB have a particular 0 degree position i.e. which part on the LNB would be the top/bottom, etc. I just angled the damned thing to turn the connectors so they point away from the rain.

    I've got a Pace decoder but could also borrow a freesat box.

    Appreciate any help, you dont cover my area, pity

    Thanks

    John

  2. #2
    Site Owner / Satellite Installer
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    Based in Gandia, covers Calpe to Valencia and inland
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    Re: LNB replacement Costa Blanca

    hi,

    yes the distance from the dish to the end of the feedhorn is very critical, and varys from dish to dish...1.8m dishes should be either 73 or 76.4cm, a famaval portuguese dish is 93cm.

    the skew of the LNB is also very critical, and does affect the reception of certain channels.
    generally the cable connections need to be about 200 degrees.(ie about 7 o clock).
    The Sat and PC Guy
    UK Satellite TV, Sky TV, Freesat TV and Spanish Digital TDT Installations Costa Blanca Spain
    96 281 9796 / 620 130 292
    info@satandpcguy.com (alternate email satandpcguy@gmail.com )
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