[amsat-bb] ARRL Antenna book, eggbeater antenna designs
skristof at etczone.com
skristof at etczone.com
Fri May 3 20:53:07 UTC 2019
Have the magnetic poles reversed or something? A guy asks for help with
a legitimate question and all he gets is comedians? AMSAT is better than
that.
I do not know enough to help, but there are folks out there who do.
Steve AI9IN
On 2019-05-03 4:45 pm, David Swanson via AMSAT-BB wrote:
> Instead of building eggbeaters, pick up a few of these:
>
> http://www.mfjenterprises.com/Product.php?productid=MFJ-261
>
> You'll also need a pair of these:
>
> https://www.amazon.com/Coaxial-Cable-Female-SO239-PL259/dp/B00KQHH7VC
>
> Hook those into your baofengs and you'll be just as effective on the
> Satellites as you would with some homemade 'beaters.
>
> Good luck! 73!
>
> -Dave, KG5CCI
>
> On Fri, May 3, 2019 at 3:19 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!
> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
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