level
issues I have found.
73,
K9YEQ
-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ken
Arck
Sent: Sunday, September 18, 2016 9:13 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Noise when K-3 keyed
I had the same problem - turned out
On Sun, 2016-09-18 at 22:19 -0400, Don Wilhelm wrote:
> Louis,
>
> It goes away in TX TEST. So I suspect it is an RF-in-the-shack
> problem.
> Try the K3 into a dummy load to verify that assumption.
>
> If it is OK on a dummy load, your best fix is in the antenna system -
> better baluns,
I had the same problem - turned out to be noise from the computer (I
was using the USB CODEC for audio in/out to the computer).
Ken
At 06:41 PM 9/18/2016, Fred Jensen wrote:
OK, this reply is to the list, lots of very smart and experienced folks there.
Let's see what others come up with
Louis,
It goes away in TX TEST. So I suspect it is an RF-in-the-shack problem.
Try the K3 into a dummy load to verify that assumption.
If it is OK on a dummy load, your best fix is in the antenna system -
better baluns, check antenna connections and anything else that can
cause common mode
OK, this reply is to the list, lots of very smart and experienced folks
there.
Let's see what others come up with given that additional info. It
sounds to me like most if not all of the usual suspects are ruled out.
73,
Fred K6DGW
Sparks NV USA
Washoe County DM09dn
On 9/18/2016 6:27 PM,
My Upgraded K-3 has a noise when the transmitter is keyed. The noise sounds
like either some type of data noise or a severe feedback The noise is there
the moment that the radio is keyed, no type of voice input needed. I have
checked all settings and can find nothing that is out of spec. I
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