[Elecraft] Mic Noise

[Grant Youngman]

Not sure about the Heil, but the MH4 requires Bias to be ON.


Grant NQ5T
K3 #2091 KX3 #8342

> On Mar 16, 2019, at 4:24 PM, Buck <radiok4ia at gmail.com> wrote:
> 
> Thanks.  I was using a Heil Goldline and also tried an Elecraft MH4 plugged in the front.  I get the same noise on FP.L and FP.H  Bias is off.  And, I still get the noise even when in TEST mode, so there is no RF.
> 
> I had the Tx Dly on the K3S set to 8.  I set it to 15 and the problem went away.  Was I hitting the amp too soon?  Amp is a KPA500.
> 
> Now the problem is back, even with the Tx Dly set to 20.
> 
>