EasyPal with 4-QAM (QPSK)
Whoops, I cut off the progress bar, but it took about 3/4 the segments to successfully receive and no segment failed to decode. Previous 16-QAM transmissions only required 1/3 or so of the total segments.
Sunday, June 23, 2013
The Mighty KBC Digital Text @ 9925 kHz, 23 Jun 2013
MT63-1K with VOA intro music as co-channel interfrence
Sunday, June 16, 2013
VOA Radiogram @ 5745 kHz, 16 Jun 2013 0230 UTC
Using AMS LSB
MFSK-16 with injected co-channel noise
MFSK-16 with -6 dB attenuation and noise
MFSK-16 with -12 dB attenuation and noise, decoding errors begin to appear
MFSK-16 with noise removed and no attenuation
EasyPal image
Saturday, June 15, 2013
The Mighty KBC Digital Text @ 9925 kHz, 16 Jun 2013
Note that the PCJ Radio International test transmission, on the same frequency and time slot, was 20 S-units weaker.
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