I was wondering about 4 loops on one support giving
directivity every 45 degrees vice 90.
Greg
AB7R
On Tue, 19 Dec 2006 08:02:40 -0500
Jim Jarvis <jimjarvis@optonline.net> wrote:
>
>
> Joe, SP9P's report on the sp3key quad-phased K9AY loops
>is
> interesting, and prompts questions.
>
> 1) Has anyone modelled this? What is the resulting
> pattern, in any one direction?
>
> 2) I would assume that the pattern is tightened, and
>f/b
> improved. Does this result in front-side coverage
>holes?
>
> 3) My crossed AY loops worked ok...and had deep nulls,
>but
> only very seldom did an offending station land in one.
> As
> a result, I concluded that ONE AY loop, rotatable, was
>better.
> Is that same effect noticed at sp3key club?
>
> 4) The discussion doesn't talk about frequency. Yet
>the loop
> terminations need to vary, to optimize performance at
>3.5 or 1.8.
> What provision is made for 'tuning' the loop
>termination?
>
> N2EA
>
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