Guys,
Gary, KD9SV, has developed a very good 40 db preamp just for the Waller Flag
that covers both 160 and 80M bands.
73, Dennis W0JX
--- On Sat, 9/5/15, kd9sv <kd9sv@comcast.net> wrote:
> From: kd9sv <kd9sv@comcast.net>
> Subject: RE: Topband: Waller Flag
> To: "'Dennis W0JX'" <w0jx@yahoo.com>
> Date: Saturday, September 5, 2015, 7:44 PM
> Dennis, in case you have
> an interest in building a WF I have a new preamp
> especially for that type of antenna...80/160
> with adjustable gain and max of
> 40db and it
> is "rock solid" with absolutely no tendencies
> toward
> oscillations...73, have a good
> season, de gary
>
> The picture
> is with shield removed which normally covers the 5
> FET's
>
> -----Original
> Message-----
> From: Topband [mailto:topband-bounces@contesting.com]
> On Behalf Of Dennis
> W0JX via Topband
> Sent: Saturday, September 05, 2015 6:57 PM
> To: topband@contesting.com
> Subject: Topband: Waller Flag
>
> The Waller Flag is a very good
> TB RX antenna. Most of the time it is
> installed in the vertical plane as it was
> originally developed and is made
> rotatable.
> It can be as low as 20 feet off the ground although some are
> put
> on taller towers. N4IS has also
> developed a horizontal version, basically
> the same antenna, to respond to horizontally
> polarized signals. However, the
> antenna
> needs to be quite high to be effective, at least 70 feet
> and
> preferably up at 90 to 100 feet to work
> well.
>
> 73, Dennis
> W0JX
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