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Cable vs satellite

  • 04-04-2011 10:09AM
    #1
    Closed Accounts Posts: 9,495 ✭✭✭


    In the beginning, cable TV was from a communal ariel. Why can a neighbourhood not use a communal dish for satellite (SKY for example)?


Comments

  • Registered Users, Registered Users 2 Posts: 691 ✭✭✭chalkitdown


    You can, but from what I remember it has to be less than eight households.


  • Closed Accounts Posts: 3,683 ✭✭✭Kensington


    The aerial is effectively a "dumb" receiver. It simply passes down anything within the frequency range for which it is intended to be used for.

    A satellite dish is more complex. Part of the tuning is done in the LNB at the end of the dish arm with the receiver selecting from one of four bands for the LNB to tune to. Clearly, if your receiver wants one band and your neighbour wants another, you've got a problem! Therefore you can't split an IF sat feed - your satellite receiver needs it's own direct control with the LNB. Same reason Sky+ needs two cables from your dish.


  • Registered Users, Registered Users 2 Posts: 24,259 ✭✭✭✭ted1


    a multi switch would allow many users to use the same dish. For multiple sets it'd be fairly cheap.


  • Hosted Moderators Posts: 7,486 ✭✭✭Red Alert


    That's how it's done in apartments - all perfectly legit. It also allows people to choose Freesat as well. ;)


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