Topband: Portable Flag Antenna for MF/HF Direction Finding (March 2021 QST)

[Chris Maness]

Yea.  I am debating on installing it permanently.  I am not sure if it is
an improvement over a bi-directional loop.  It only has one sharp null, but
I have not been successful in canceling all QRN only local QRN with either
that or the whip.   The theoretical advantage I see is nulling the DX
station in the sense loop, and canceling everything BUT the DX at my
adjustable phase angle mixer.  That was my plan, but it generally does
better at RX than my transmitting antenna, so either going to permanently
install it or a simple active loop.

Regards,
Chris K

On Wed, Jan 19, 2022 at 8:12 AM Pete Smith N4ZR <pete.n4zr at gmail.com> wrote:

> I use a ziplock food bag, but I'm not looking for long-term protection.
>
> 73, Pete N4ZR
> Check out the new Reverse Beacon Network
> web server at <http://beta.reversebeacon.net> <http://beta.reversebeacon.net>.
> For spots, please use your favorite
> "retail" DX cluster.
>
> On 1/19/2022 10:58 AM, Chris Maness wrote:
>
> To reference what antenna I have been experimenting with as far as
> noise canceling check out March 2021 QST (page 33 on the digital
> edition).  Also, I would like to rain proof mine (the ferrite xformer
> and coax braid).  Not sure what the best thing for that would be.  I
> have some roof pitch.  I am sure that would work, but I would never
> have access to the xformer and coax on the little board again.  What
> do you guys seal little isolation xformer binocular cores with?
>
> Chris KQ6UP
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