[amsat-bb] ARRL Antenna book, eggbeater antenna designs
Chuck Swiger
cswiger at gmail.com
Sat May 4 15:19:00 UTC 2019
I am happy with the moxon - uhf pretty small and wiring can be challenging
with the phasing and matching lines. My uhf has a mast mount preamp, vhf
just 30 ft coax and rtl-sdr at Max gain. Could be better but all I want to
invest at first. QFH are highly recommended and you can see then on old
videos of the lunar lander :). Satnogs stations 142 and 216.
On Sat, May 4, 2019, 9:58 AM Dave . via AMSAT-BB <amsat-bb at amsat.org> wrote:
> I bought a set of egg beaters recently and they seem ok for anything higher
> than 20 degrees. I'm looking to build a moxon variation
> http://www.oocities.org/w9bci/VHFUHFSatelite.pdf at some point when I have
> some free time.
>
> Dave
> N2OA
>
> On Fri, May 3, 2019 at 4:19 PM Devin L. Ganger via AMSAT-BB <
> amsat-bb at amsat.org> wrote:
>
> > Greetings, programs!
> >
> > I'm looking to work with my son (who will be studying to get his
> > Technician license later this month) on building a UHF/VHF pair of
> > eggbeater antennas. I've found a few papers online, but does anyone have
> a
> > good reference to a detailed design?
> >
> > Does the ARRL Antenna book latest edition have any significant coverage
> of
> > eggbeaters at all? I have an older version that has nothing.
> >
> > Also, most of the designs I see are for a single band. If you're
> deploying
> > a pair for satellite operations, do you simply attach them through a
> > duplexer? I have a Diamond MX-72N that I picked up a while ago for using
> > with dual Baofengs, but it's been sitting in my drawer since I picked up
> my
> > TH-D72A. It has a 1.6~150MHz lead and a 350~460MHz lead.
> >
> > Thanks in advance for any pointers you might have.
> >
> >
> > --
> > Devin L. Ganger (WA7DLG)
> > email: devin at thecabal.org<mailto:devin at thecabal.org>
> > web: Devin on Earth<http://www.devinonearth.com/>
> > cell: +1 425.239.2575
> >
> > _______________________________________________
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> _______________________________________________
> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions
> expressed
> are solely those of the author, and do not reflect the official views of
> AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
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