We should not think of a K9AY as having a sharp forward peak. You won’t be able
to tell NE from E easily. However they have a very good and useful backwards
null which is deep.
The loops do not have to be perpendicular. Point the loops in directions that
give you the most useful nulls.
My K9AY loop is right under my TX antenna and near some chain link fence. And
it is hung from and runs through trees. It works great! If I point it NE, the
W4’s drop into the noise. If I point it SW, the W1’s drop into the noise.
Tim N3QE
> On Jan 29, 2019, at 1:26 AM, terry burge <ki7m@comcast.net> wrote:
>
> Hi folk,
>
>
> Been looking for this for I don't know how long. Had it up out in Keizer but
> wasn't that impressed but I'll now try it out here. But going to need to get
> it near some trees and possibly power company transformer on power pole.
> Maybe some fencing too. Listening to K4IQJ's DX University talk about K9AY
> style antennas last night on YouTube it sounds like the trees won't be an
> issue. Unfortunately all I can do is try to get a half wavelength our so on
> 80 and 40 from transmit antennas. Just no way to do better on my 1.5 acre
> lot.
>
>
> If anyone has any helpful experience using K9AY's for a RX antenna you might
> send alone some helpful suggestions. One of the things I always wondered
> about is it seems like these might be made to rotate at least a bit or maybe
> adjust the loops to favor both NE and E? K4IQJ's talk indicated it could be
> interesting to try 2 or more in an array. 2 might not be too tough here but
> first I want to see one work to know I can get some help on 80 and 160 meter
> bands. As usual my problem on both those bands is hearing the weak ones.
> Wanting to do better this year in the 160 CQ SSB contest in late
> February.(always)
>
>
> Also wondered if these can be mounted on the roof of a metal building like my
> large garage? Think they need to be just above ground though.
>
>
> Terry
>
> KI7M
>
>
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