Dear Peter,
Maybe your mic is picking up the fan noise and transmitting it over the air.
Try disconnecting your mic and see what happens.
Sincerely,
Joe Lynch, N6CL
On Friday, December 1, 2017 3:44 PM, Peter Drexel via Elecraft
<elecraft@mailman.qth.net> wrote:
It seems that, when the fan starts on my K3, a series of vertical lines
appears on the WSJT Wide Graph. Every 60Hz would be kind of obvious. What's
causing that? What can I do about it? (other than keeping the power low
enough - 8 watts or less - to keep the fan from kicking in)
73 de Peter, AE1TK3 # 3701
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