In suburbia Houston, I was fortunate to have some nice very tall pine trees in
which I had an inverted L with one elevated radial (up 20') bent to fit the 60'
x 90' lot. It was fed through a ferrite bead balun. Power output was 600 watts.
The rx antenna was a K9AY and one side of the rx antenna was about 6' from the
radial! UGH! I 1) used rx protection; 2) decoupled the tx antenna by a relay
in the coax at the 1/4 wavelength point; 3) used ferrite bead chokes on the
feed line of the rx antenna, at the antenna and at the rig.
The K9AY loop has a broad rx pattern so when I set it up, it was orientated for
the noise source to be in the null.
I tried a magnetic type loop and it seemed to work ok but the "AY" loop was
better BUT I could play with diversity reception and occasionally that made the
difference between hearing and making a Q.
My ON4UN low band handbook is highly dog-eared and I did manage over 150
countries at that QTH (now I am in the country).
GL es 73, Mike WA5POK
On Wednesday, February 10, 2016 9:11 AM, Jim Miller <j...@jtmiller.com>
wrote:
Regardless of which RX antenna you chose make sure to detune your transmit
antenna when receiving. This is especially important on a small lot where
adequate separation is not possible.
73
Jim ab3cv
On Monday, February 8, 2016, Joe Moffatt <j...@selectconnect.net> wrote:
> I am needing advice from any with a K3 for 160 receive antennas.
>
> I just don't have room for Beverages, but I do have some backyard area.
> The average noise floor here is about S7 ok my Inverted L.
>
> Of course there are times it is much higher, but that is the norm.
>
> I am wondering if a small loop, EWE, flag etc is what you guys would
> recommend.
>
> I am looking for anyone with a relatively small space that could give
> advice.
>
> What would you do or have you done?
> Trying to get my 160 DXCC, and I'm half way there on 160.
>
> Joe
> AB5OR
>
>
>
>
>
>
> Sent via the Samsung Galaxy Note® 4, an AT&T 4G LTE smartphone
> ______________________________________________________________
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