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160M Inverted L vs Base loaded 43FT Vertical

Discussion in 'Antennas, Feedlines, Towers & Rotors' started by W5ZZ, Dec 13, 2019.

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  1. WA7ARK

    WA7ARK Ham Member QRZ Page

    Richard, (@W9XMT)

    try shortening the 3-wire FCP from 66ft to 46ft end-to-end and then lengthen the horizontal wire from 117ft to 134ft, all other things remaining the same.

    At 1.9Mhz, I get a feed point impedance of 49.96 - j0.716, for a Swr50=1.014

    No reason that the magic ratio doesn't work with a FCP.
    Last edited: Dec 15, 2019
    W5ZZ likes this.
  2. W5ZZ

    W5ZZ Ham Member QRZ Page

    Mike ,
    Will shortening the 3-wire FCP require any changes in K2AV`s FCP insulation transformer ?

  3. WA7ARK

    WA7ARK Ham Member QRZ Page

    Ditch that stupid transformer and replace it with a coax common-mode choke per guidance from G3TXQ
    WB5YUZ and NH7RO like this.
  4. KM1H

    KM1H Ham Member QRZ Page

    If you want to eliminate the horizontal radiation from the L make it a T on the top.
    NH7RO, WB5YUZ and K0UO like this.
  5. WB5YUZ

    WB5YUZ Ham Member QRZ Page

    Sorry, my misunderstanding. Carry on.
    Last edited: Dec 19, 2019

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