Probably you will need a good shielded USB cable and may need to add a
clamp on ferrite choke on the cable close to the computer. I went
through 4 different brands of cables and types of USB cables before I
found one that didn't have issues. The one I ended up using does have
"shielded" printed on the outside of the wire.
I think you likely had RF in the shack before, but it didn't show up
until the additional communication path was added.
73
Bob, K4TAX
On 11/16/2018 11:22 AM, Jerry Muller via Elecraft wrote:
All: Recently I sent my k3 into get the sound card and second rcvr put in.
Upon receipt of the unit I plugged it back into the same connectors I had
previously used with the exception of the NEW USB cable connection to the
CPU/K3/P3. I now have tremendous RF in the shack which was not there before
sending in the unit. Any help would be greatly appreciated.
Gerald Muller k9gemgmuller...@aol.com
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