I also live in a very quiet location. But put up a directional
one-wavelength Beverage pointed at Europe, Asia, Oceana, or Africa, and
you'll see how much noise that you *really* have! :-)
73, Mike
www.w0btu.com
Please see my Beverage antenna information there
On Tue, Aug 7, 2018, 5:53 PM chacuff <chacuff@cableone.net> wrote:
> I don't have problems with noise...which may be why RX antennas don't
> perform a whole lot better than my TX antenna. I wouldn't say it's
> extremely quiet but it's not excessively noisy. Hope to play more with
> antennas this fall and winter.
>
> Cecil
>
> -------- Original message --------
> From: Mike Waters <mikewate@gmail.com>
> Date: 8/7/18 4:58 PM (GMT-06:00)
> To: Phil Duff <na4m@suddenlink.net>
> Cc: topband <topband@contesting.com>
> Subject: Re: Topband: making a bev seem longer
>
> A loop such as that has a very narrow null at very low angles, and
> therefore it's usually not very effective for anything except for local RFI
> or another local ham. For power line or nearby QRN, it's useful. But that's
> about it. There are much better RX antennas.
>
> 73, Mike
> www.w0btu.com
>
> On Mon, Aug 6, 2018, 7:37 PM Phil Duff <na4m@suddenlink.net> wrote:
>
> > > On Aug 6, 2018, at 7:06 PM, Cecil Acuff <chacuff@cableone.net> wrote:
> > > Wish I could find an effective RX antenna that showed a great s/n
> > improvement over the L.
> >
> > Look into a magnetic loop such as the design by N6RK as described in a
> > past NCJ:
> >
> > http://www.n6rk.com/loopantennas/NCJ_loop_antenna_N6RK.pdf
> >
> > I use one on 160/80 and find it effective at improving the S/N ratio over
> > my vertically polarized 160m and 80m transmit antennas.
> >
> >
> > de Phil NA4M
>
>
_________________
Topband Reflector Archives - http://www.contesting.com/_topband
|