JA0CAW created the sound source in the way PC1Sp -> PC2Mic. I (JE9PEL) was further extend this method, and I created the sound source in the one PC without using PC's terminal. The wave file that I made is the small size of less than 1 second, but you can be decoded them.![]()
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http://www.ne.jp/asahi/hamradio/je9pel/50511af2.wav AFSK 2400bps http://www.ne.jp/asahi/hamradio/je9pel/50511bp2.wav BPSK 2400bps http://www.ne.jp/asahi/hamradio/je9pel/50511qp2.wav QPSK 2400bps We can create each sound source on Windows 8.1 in the similar settings.
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