[amsat-bb] Re: FUNcube telemetry performance?

i8cvs domenico.i8cvs at tin.it
Sat Apr 19 20:33:05 PDT 2014

Hi John, W0JAB

On AO40 you should remember mostly the fading due of
spin modulation...... WOW..........WOW.............WOW......
because of rotation of the satellite over the Z axis ! !

73" de

i8CVS Domenico

----- Original Message -----
From: "John Becker" <w0jab at big-river.net>
To: <amsat-bb at amsat.org>
Sent: Sunday, April 20, 2014 12:42 AM
Subject: [amsat-bb] Re: FUNcube telemetry performance?

> I guess I was lucky I dont recall any fading with AO 40.
> On 4/19/2014 4:33 AM, Phil Karn wrote:
> > I haven't done anything with AO-73, but I understand it's transmitting
> > the FEC format I originally designed for AO-40.
> >
> > How well is it working? What fraction of the frames are successfully
> > decoded? How bad is the fading? I designed my format specifically for
> > the spin fading on AO-40, and if the fading due to the tumbling of a
> > cubesat is too slow my format won't be able to fix it.
> >
> > Phil
> >
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