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Created by : Nino Porcino IZ8BLY and Murray Greenman ZL1BPU
Description :
Baud rate : 15.625 for MFSK16
Speed : 42 wpm (average) (62.5 bits/sec) for MFSK16
Modulation : FSK 16 tones (4 bits) for MFSK16
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 : 15.625 Hz for MFSK16
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 : -13.5 dB for MFSK16
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Club Log
I upload logs on the
1st and the 15th
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Sound of MFSK16
Image of MFSK16