I brought my K3/100/P3 to our winter place this year instead of the old IC-735. The K3 (with MH2 I use with the K2) also came along for convenience. The problem is I'm getting hum on my signal.....Unless I maintain my finger on the mic socket (gnd).....Any finger works! I've tried: Buying a new power supply, grounding rig to supply, grounding everything to a water pipe downstairs (I'm upstairs), doing the K3 mic plug ground mod, grounding the shield of the MH2 together with the mic ground all with no effect. At the home QTH I don't use the Heil hand mic but two other mics (Heil) that I did not bring with me. Also tried various settings of bias and mic/comp levels. I can hear the hum in "test" mode, and everyone can hear it when I'm transmitting. Any suggestions would be appreciated. Jay, W6JDB ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net
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