Re: KPA500 attenutes TS2000 receive.


Thanks for the help in this solution. That was exactly the problem. I have disconnected my Ameritron Model ARB-704 from the KPA500 and substituted it with a homemade connector using the remote connector pins 2 & 4. Before this TS-2000 was pushed into duty as the replacement for the ailing K3, it was being used as a MARS station connected to  Collins 30L1 amp which exhibits a high negative voltage (-120VCD) for the keying circuit, hence the Ameritron.


Jerry’s world is now at peace!


Best regards,


Jerry, W1IE

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