[amsat-bb] Re: FUNcube telemetry performance?
domenico.i8cvs at tin.it
Mon Apr 21 12:40:34 PDT 2014
Hi John, W0JAB
On AO40 you should remember at least the spin fading
due to the tumbling of AO40 i.e. the spin modulation......
because of rotation of the satellite over the Z axis ! !
----- 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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