[amsat-bb] ARRL Antenna book, eggbeater antenna designs

[Paul Stoetzer]

A cheap yagi is probably the best thing to get started with an HT.

http://www.wa5vjb.com/references/Cheap%20Antennas-LEOs.pdf

The most effective omni antennas are probably parasitic lindenblads, but
omnis are always a compromise, especially if you are not in a very low
noise area.

https://www.amsat.org/wordpress/wp-content/uploads/2014/01/70ParaLindy.pdf

https://www.amsat.org/wordpress/wp-content/uploads/2015/08/An-EZ-Lindenblad-Antenna-for-2-Meters2.pdf

Some other options include CJUs and IOios.

https://www.amsat.org/station-and-operating-hints/

73,

Paul, N8HM


On Fri, May 3, 2019 at 4:59 PM Zach Metzinger via AMSAT-BB <
amsat-bb at amsat.org> wrote:

> On 5/3/19 3:19 PM, Devin L. Ganger via AMSAT-BB wrote:
> > 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.
>
> Hello Devin,
>
> Notwithstanding the unhelpful, verging on rude, comments from others on
> this list, here's a good video on the performance achieved by AA4KN with
> the Texas Potato Masher.
>
>
> https://www.facebook.com/153679794647788/videos/texas-potato-masher-antenna-evaluation/118367264891484/
>
> How to build:
>
> http://wb5rmg.somenet.net/k5oe/Texas_Potato_Masher_2.html
>
> Ideally, you'd benefit from a LNA _at the antenna_, to set the system
> noise figure early. This becomes very important if you have any length
> of coax between the antenna and the rig.
>
> I'm glad you and your son are building parts of your station! That's
> something to be said in these times of buying your way into the hobby.
> See what can be done on a shoestring budget and learn while you experiment!
>
> (and I love the Tron reference)
>
> 73,
>
> --- Zach
> N0ZGO
> _______________________________________________
> 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!
> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
>