Also ferrite on the key cable.

Curt
KU8L

On 1/18/2023 2:26 AM, Bruce Florip wrote:
You might try a ferrite core on the D.C. input lead and/or a battery supply
with short leads.

73. AA7AR/6

On Tue, Jan 17, 2023 at 11:10 AM Andrew Moore <andrew.n...@gmail.com> wrote:

   Have you tried it into a dummy load?

73 NV1B


On Tue, Jan 17, 2023 at 11:35 AM Mark Finkelstein via Elecraft <
elecraft@mailman.qth.net> wrote:

My K2 keyer works on test and 0.1 watts on a new installation, but after
that it cuts out. I suspect RF interference. Any other thoughts before I
retire the station set up?
Thanks,
Mark

Sent from my iPad
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