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Created by : Nino Porcino IZ8BLY and Murray Greenman ZL1BPU
Description :
Baud:7.8125 for MFSK8
Speed : 26 wpm (average) (39.06 bits/sec) for MFSK8
Modulation : 32 tones (5 bits) for MFSK8
Reception mode : only one side (USB or LSB), USB is recommended
Character set : ASCII characters + almost all ANSI extended characters + an error reset character (« Varicode » characters)
Shape of pulse : rectangular
Space between tones : 7.8125 Hz for MFSK8,
Bandwidth : 316 Hz,
Demodulation : non-coherent,
Synchronization : automatic using the signal
Convolution code : R(Rate)=1/2, K (Constraint length)=7  with Viterbi type decoder
Interleaving : yes (for example, spreading of 120 bits for MFSK16)
Drift tolerance : 10 à 20 Hz/mn for MFSK16 and 4 to 7 Hz/mn according to signal-to-noise ratio,
Pmean/Ppeak : 1
Lowest S/N :  -15.5 dB for MFSK8

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Club Log
I upload logs on the
1st and the 15th
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Sound of MFSK8
Image of MFSK8