Hello, I just installed the KIO2 option in my K2. All works well except that I now obtain a lot of noise on my PSK31 waterfall display. The noise is effecting the decoding of the PSK31 siganls. If I disconnect the serial cable from my laptop, the noise disappears. In the instruction manual it stated to not connect the sheild on the PC end of the KIO2 cable. I assume that this was to isolate the K2 RF/DC ground from the PC ground? Any suggestions on reducing the noise? Would putting a ferite choke on the cable be worth while? 73s, John - KI7V K2 #3706
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