[amsat-bb] AO-7 transponder pan view

[pedro at dutrasousa.name]

Hi,

Yes, there was a CU station there. At 10:27 you can hear me calling :)
Hope you can get me calling on our Sked for December!

73 de Pedro CU2ZG




Quoting Daniel Estévez <daniel at destevez.net>:

> El 24/11/15 a las 23:20, Joe escribió:
>> what are the three hills about?
>
> That's just noise from the passband of AO-7 transponder. It's stronger
> in three spots, one on the middle of the passband and two near the
> edges. These spots are quite strong, in fact comparable to some of the
> stations. If you look closely, you can also see that these spots get
> frequency modulated with the strong transmissions.
>
> This is one of those things that it's quite difficult to see on a
> traditional receiver but it's quite apparent on an SDR waterfall.
>
> 73,
>
> Dani M0HXM/EA4GPZ.
>
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