----- Original Message -----

From: Jim Bennett / K7TXA via groups.io <w6jhb@...>

Reply-To: <[email protected]>

To: <[email protected]>

Sent: 23/03/2025 03:14:58

Subject: [QRPLabs] QMX+ Strange Audio Artifact - Help, Please...

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Hi All,

?

Just completed building my third QMX+ (the first two were quite successful) and I've come upon an issue that I need help with. The rig appears to work as advertised: receives well, GPS works, RF output levels are acceptable, everything works great except.... when I key down I hear what sounds like a machine gun. It is not there during receive - only when I transmit. Not real loud, but loud enough to be annoying. Happens on all bands, with AGC on or off.

?

Any idea what might be the cause, or where to start looking for it?

--

Jim / K7TXA
Eagle, ID

SKCC 10447T
BUG 301