[amsat-bb] Be kind to our old lady AO-7

[Paul Stoetzer]

Inverting transponders exist to reduce the total Doppler shift. Since the
Doppler shift on 10 meters is  so low, there's no real need to invert the
passband.

73,

Paul, N8HM

On Wed, May 31, 2017 at 22:22 John Geiger <af5cc2 at gmail.com> wrote:

> Why does Mode A have a normal transponder, whereas Mode B uses an inverting
> transponder?
>
> 73 John AF5CC
>
> On Thu, Jun 1, 2017 at 2:09 AM, Zach Metzinger <zmetzing at pobox.com> wrote:
>
> > On 05/31/17 20:16, John Geiger wrote:
> >
> >> Are there many stations doing Mode A at all?  I haven't worked too many
> >> people on that mode before, but it is a lot of fun. Once it switches to
> >> Mode A, what causes it to eventually go back to Mode B?
> >>
> >
> > Perhaps a novice question: Is there any reason not to work it in Mode A
> > when it switches?
> >
> > --- Zach
> > N0ZGO
> >
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> _______________________________________________
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