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Amazon.com: HQPARRTS 6pin Data Audio Cable for Digital Modes FT - FT8/FT4/JT65/PSK Audio Interface 6-Pin Mini DIN Cable DC-11F for YAESU FT-897, FT-857, FT-891 : Electronics
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Modern Data Modes: A guide to using WSJT-X, JTDX, Fldigi, FT8, FT4, PSK, JS8, VarAC and other modes, Teleinus-Lowe, Steve, Walker, Rob, Richards, Mike , eBook - Amazon.com
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