Nate,

One thing is that you have a LOT of compression. That may be causing his receiving to show excess energy, maybe even lapping over into the opposite sideband.

First set the compression to zero, then either connect a dummy load or use TX TEST and adjust the mic gain for 5 to 7 bars on the ALC meter - the 7 bars should be seen only on peaks.

After that, you can increase the compression, but I would limit it to 6 dB for normal operation.

73,
Don W3FPR

On 8/28/2019 12:40 PM, Nate Bargmann wrote:
I received a note this morning advising that I should check my ALC as he
is seeing some energy on USB when I check into a 75m voice net on LSB.
I am using an MC-50 microphone and am running the mic gain at 35 and the
compression at 11.  My thinking was that generating opposite sideband
energy would be quite difficult with the K3's DSP.  Am I wrong?
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