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Thread: Filter position?

  1. #1
    Passenger
    Join Date
    Mar 2018
    Location
    Cheltenham
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    Filter position?

    Hi

    I've just bought a passive 1090 in-line filer for my basic Rpi setup but was wondering where in the chain is best to put it, near the antenna or the usb stick?

    Any advice would be great thanks.

  2. #2
    First officer
    Join Date
    Apr 2018
    Posts
    411
    Shouldn't matter, typically you use it near the receiver.

    If it was an LNA you would try to place it near the antenna but many people just place it near the receiver because that's where all the gear is.
    (With long runs of cable the LNA near the antenna can improve things quite a bit though)

  3. #3
    Passenger
    Join Date
    Mar 2018
    Location
    Cheltenham
    Posts
    8
    That's great thank you.

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