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Thread: Penetrator 500 new

  1. #1
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    Penetrator 500 new

    Wonder what the proper length for 11 meter use and how to set swr on same

  2. #2
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    https://www.dxengineering.com/search...rder=Ascending

    " SPT-500 antennas measure 22 ft., 9.5 in. high"
    you can adjust the length some for fine tuning or if you have channels added .

    Last edited by BOOTY MONSTER; 01-28-2019 at 10:32 PM.

  3. #3
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    When the Penetrator first came out, decades ago, it wasn't a legal antenna as the rules set the limit at 20 feet. Used single or even paired were the best around. Sigma 5/8 followed and it has a 27 foot vertical element. Those designs .with the gamma match elements near the bottom have excellent take-off angles for working skip.

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    it became illegal again because it is a aluminum antenna and if it makes contact with power lines it can easily kill . a fiberglass antenna (imax 2000 , antron 99) has the antenna wire running inside the fiberglass insulation allowing a better chance of survival .....well ..... it was illegal for a cb antenna , but legal for hams , because supposedly hams were too smart to electrocute themselves .....
    Last edited by BOOTY MONSTER; 02-10-2019 at 06:34 PM.

  5. #5
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    I haven't and never will mount an antenna anywhere near any power lines. Subject to high winds here, I insure that there are no power lines close enough for the antenna to contact, either during install or in the event of failure, will not fall on any lines.

  6. The Following User Says Thank You to mjd420nova For This Useful Post:

    BOOTY MONSTER (02-10-2019)

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