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8126Re: Loop reflector

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  • longjohn119
    Jan 3, 2011
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      If it's horizontal then it's omnidirectional so it definitely wouldn't qualify as a reflector which implies a directional antenna. Well maybe directional straight up but I'm not sure what good that would do a guy

      JR

      --- In loopantennas@yahoogroups.com, "Steve Ellington" <n4lq@...> wrote:
      >
      > Joey: I hope you are talking about a horizontal loop. Everyone seems to think you are but you might be talking about a little magnetic loop or something. Who knows.
      >
      > I had a 160 meter, full wave, loop up 60 feet and I put a reflector under it. The reflector was about 6 feet off the ground. Basically I had a cubical quad aimed straight up. I tried making the reflector 5% longer than the driven element.
      > I could tell no difference on 160 meters but really....The only way to measure gain would be to fly above the antenna in a helicopter and use a very sensitive field strength meter.
      > For a number of reasons, the reflector would not function on harmonics but especially since the loop no longer acted as an NVIS antenna.
      > Bottom line: The reflector was a waste of time.
      >
      > Steve
      > N4LQ
      > ----- Original Message -----
      > From: Joey
      > To: loopantennas@yahoogroups.com
      > Sent: Thursday, December 30, 2010 12:47 PM
      > Subject: [loopantennas] Loop reflector
      >
      >
      >
      > what has anyone experienced using a reflector under the loop they operate on? Is there a real increase in gain?
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      > [Non-text portions of this message have been removed]
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