[amsat-bb] Re: FUNcube telemetry performance?
jfitzgerald at alum.wpi.edu
Sat Apr 19 10:24:04 PDT 2014
That is an interesting question. I have fooled with a simple 1/4 wave
vertical, and observe very bad fading with a period of 10's of seconds
(5 to 10 times longer than individual frames). It seems to my ear that
signals need to be pretty strong in order to decode on AMSAT-UK's
On 4/19/2014 5:33 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.
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