Coax length on Par EFHW Antennas

Store Forums PAR EndfedZ Antennas Coax length on Par EFHW Antennas

  • This topic has 3 replies, 3 voices, and was last updated 5 years ago by Anonymous.
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  • #946
    kj4fgi
    Participant

    I have a question about the Trail Friendly antenna and EF-10/20/40 MKII EndFedz Antenna, what is the minimum coax length that can be used. I will be using it with my KX3, is there a difference with using RG58 an RG174? I just purchased the EF-10/20/40 MKII EndFedz Antenna and I am thinking of purchasing the Trail Friendly antenna.
    I will be using it QRP on the Trail and Beach.
    I have the PAR 20 meter and 40 meter antennas which are mounted roof to tree with 30 feet of coax, what fantastic antennas!

    Thanks Eddie kj4fgi

    #947
    QRPME
    Participant

    Hi Eddie,
    Thanks for the kind words about your existing PAR antennas.
    The difference in the EFT-10/20/40 (Trail Friendly) and the EF-10/20/40 MKII is the the wire gauge used for the radiator, size of the match box used and a cosmetically different inductor in the radiator. The function and performance is the same. The Trail friendly is intended for more temporary use and employs the #22 wire instead of the #18. It is also much lighter. We recommend 25 feet of coax for the EndFedz since it uses the coax outer shield for a return path to ground.

    The difference is negligible in the RG58 and RG174 for performance at that short of a run. ( less than 25 feet) Of course the RG174 is much lighter than the RG58. I believe Larry still offers the Teflon RG316 which is slightly larger than the 174 but not nearly as large as the 58.
    Hope that helps you some. If not let us know.

    73 for now,
    QRPME

    #948
    kj4fgi
    Participant

    Thank you, 25 feet, that’s what I’m looking for!

    73s

    Eddie kj4fgi

    #3076
    Anonymous
    Inactive

    Muchos Gracias for your post.Really thank you! http://lighsdeub94yt24hf4r.tumblr.com/ – Batas

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