Well, that was quick!
The message appeared while the progress indicator was still showing
0%. But it was quite strong at the start of the 22:00 transmission,
fading below visibility (0.12Hz B/W) towards the end.
list rank 0
reference phase 180 180 180 180
carrier RMS 8.316e+002 noise RMS 3.887e+001
carrier S/N 26.61 dB in 679.3 uHz
carrier Es/N0 -5.07 dB
carrier Eb/N0 5.07 dB
info bit period 10.33 seconds
symbol error rate 466/1472 = 31.658 %
Es/N0 from symbol errors -9.4 dB
Eb/N0 from symbol errors 0.5 dB
Shannon capacity 1406.5 bits/hour
Shannon efficiency 24.8 %
symbols file C:\CohLFRx\151202_2159-symbols.csv
elapsed 54 seconds
Happy anniversary, BTW.
Andy
On 2 December 2015 at 21:56, Paul Nicholson <[email protected]> wrote:
>
> Edgar wrote:
>
>> To obtain a 92 uHz bin width in Spectrum Lab the settings ...
>
> ... indicates that it takes 4.66 hours for one window.
>
> You don't need a spectrogram, just a single 3 hour spectrum.
>
> Both ends would need GPSDO and also PPS at the rx soundcard.
> And even then we don't know if the path is stable enough and
> you could still be dissapointed.
>
> Joe wrote:
>
>> [8]K19A 1 Second symbols 25 characters 500 watts. 2100 UTC.
>
> That should make for a massive signal and an easy decode.
> ... it did:
>
> 21:00 Eb/N0 = 11.1 dB
> 21:30 Eb/N0 = 7.0 dB
>
> --
> Paul Nicholson
> --
>
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