[amsat-bb] AO-7 transponder pan view

[Joe]

So,
For best results you want to place your signal in the valleys true?

Joe WB9SBD
Sig
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com
On 11/25/2015 8:52 AM, Eduardo Erlemann wrote:
> I think it is caused due the components age/conditions which is affecting its receiver linearity, noticed even in a such narrow band.
>
> 73s
>
> Ed PY2RN
> GG66LW
> --------------------------------------------
> On Wed, 11/25/15, Joe <nss at mwt.net> wrote:
>
>   Subject: Re: [amsat-bb] AO-7 transponder pan view
>   To: amsat-bb at amsat.org
>   Date: Wednesday, November 25, 2015, 12:08 PM
>   
>   Thats pretty cool.
>   Is it a part of the filtering in this old gal,
>   or what causes it?
>   
>   Joe
>   WB9SBD
>   Sig
>   The Original
>   Rolling Ball Clock
>   Idle Tyme
>   Idle-Tyme.com
>   http://www.idle-tyme.com
>   On 11/25/2015 3:21 AM, Daniel Estévez
>   wrote:
>   > 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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