[amsat-bb] Re: FUNcube telemetry performance?
bstguitarist at gmail.com
Sat Apr 19 15:06:52 PDT 2014
Overall I'll take funcubes telemetry over any AFSK bird.... It's extremely
simple to receive and in my opinion it's much better than I've ever had
luck on an AFSK bird.
On Saturday, April 19, 2014, Joe Fitzgerald <jfitzgerald at alum.wpi.edu>
> 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
> "dashboard" software.
> -Joe KM1P
> 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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