[amsat-bb] AO-7 Mode A transponder question

Don KB2YSI kb2ysi at gmail.com
Wed Sep 11 19:49:13 UTC 2019


I would think .940 would be one, that is one area I see/hear people around.

On Wed, Sep 11, 2019, 13:48 Adrian Engele via AMSAT-BB <amsat-bb at amsat.org>
wrote:

>  Alan,
> You mention documented "sweet spots"  can anybody point out where we can
> find this information.
> I saw something on the AMSAT-BB many years ago but never could find that
> email again.
>
> 73, Adrian AA5UK
>
>
>     On Wednesday, September 11, 2019, 12:18:43 PM CDT, Alan via AMSAT-BB <
> amsat-bb at amsat.org> wrote:
>
>  The Mode B transponder has, due to varying noise and sensitivity, some
> documented "sweet spots."  Mode A, while not as popular, does get some use.
> Are there any observed equivalent frequencies?
>
> 73,
>
> Alan
> WA4SCA
>
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