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I'm restricted to putting antennas in my attic which is 50 feet long and peaks at about 8 feet. I'm currently using the Nelson UJM-150-50 end-fed dipole 80-10 meter antenna. The attic is about 25 feet above the ground. Would the MFJ (or other) magnetic loop antenna be better? Is there a better option?

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    $\begingroup$ "better" how? Smaller? Lower loss? Higher directivity? Lower takeoff angle? Higher front-to-back ratio? Cheaper? To get a meaningful answer, you'll have to specify at least a little bit about what you want the antenna to do. $\endgroup$ Mar 29, 2021 at 13:46
  • $\begingroup$ Hi Irv, and welcome to ham.stackexchange.com! $\endgroup$
    – rclocher3
    Mar 30, 2021 at 0:10

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Both an end-fed and a small loop antenna might couple into the house wiring on transmit. You might be able to orient a mag loop to minimize RF noise pickup from the house environment on receive.

As an alternative, I might consider testing a balanced fan dipole for Tx. For a receive antenna, another possibility might be a large loop around the entire attic, if the EMI/RFI pickup isn’t too bad.

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