Greetings Wise and Powerful Reflector, I tried to get CAT control from WXJT-X via a USB C port > USB C to USB 2.0 adapter > Elecraft’s USB 2.0 to RS 232 cable > K3 with no joy. The computer is a MacBook Pro running Catalina 10.15.4 Is anybody doing this? TIA, 73 de Eric, KG6MZS