[amsat-bb] Review of HTs for sat use

[James Austin]

What was the problem with the Chinese HT's working full duplex in the V/U
modes. I don't recall that being mentioned in the article.

Jim/KA2RVO

On Wed, Sep 21, 2016 at 8:23 PM, Patrick STODDARD (WD9EWK/VA7EWK) <
amsat-bb at wd9ewk.net> wrote:

> Rick,
>
> I didn't review *all* HTs that would work for satellite communication,
> but did talk about 4 of the Chinese-made dual-band HTs that could
> work AO-85 (and the other upcoming Fox-1 U/V FM satellites)
> full-duplex, with varying levels of success. That article appeared in
> the March/April 2016 issue of the AMSAT Journal. If you missed that
> issue, you can see my article in a PDF at:
>
> http://dropbox.wd9ewk.net/
>
> Look in the Articles folder, and go to the last article in that
> folder (file name starts with "Working_AO85").
>
> As with other HTs or low-power stations, you will find more success
> working higher AO-85 passes, and not necessarily trying to work those
> higher passes near AOS or LOS. With that in mind, I'm regularly
> working AO-85 full-duplex with a Wouxun KG-UV9D and Elk log periodic
> either in my back yard or in my driveway. I make my contacts when
> the satellite is up at least 20 to 25 degrees above the horizon.
>
> Other than that, the situation with HTs and satellites is still the
> same as before. Only one HT in current production - Kenwood TH-D72A -
> will work all V/U and U/V FM satellites full-duplex. There are many
> older HTs that have been out of production a long time that will
> do that. The 4 Chinese-made HTs I mention in the article are able to
> work AO-85 and other U/V FM satellites full-duplex, but not the
> V/U satellites like SO-50 or LilacSat-2.
>
> If you need more information beyond that article, please feel free
> to e-mail me directly. Good luck, and 73!
>
>
>
>
>
> Patrick WD9EWK/VA7EWK
> http://www.wd9ewk.net/
> Twitter: @WD9EWK
>
>
>
> On Thu, Sep 22, 2016 at 12:55 AM, Richard Lawn <rjlawn at gmail.com> wrote:
>
> > Do any of you recall where in the last 6 months or so there was an
> article
> > by a ham who reviewed all of the current HTs, especially the cheap ones,
> > for use for satellite communication? I know I'm not dreaming this and I'm
> > soon to do a presentation for our local club and wanted to refer to this
> > article and recommendations. Hopefully one of you can jog my ever fading
> > memory.
> > Rick, W2JAZ
> >
> >
> > --
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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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