Only if it's enough attenuation to reduce the volume significantly.
Several people suggested reduced RF gain. I tried this too, including
turning off AGC and riding RF gain. The loudness of the 'crashes' seems
to depend on the loudness of the signal.
On 19 Nov 2014 10:39, David Cutter wrote:
Does it go away if you switch in some RF attenuation?
David
G3UNA
----- Original Message ----- From: "Vic Rosenthal 4X6GP/K2VCO"
<[email protected]>
To: "Elecraft Reflector" <[email protected]>
Sent: Tuesday, November 18, 2014 12:27 PM
Subject: [Elecraft] K3 audio artifacts
I know I might be beating a dead horse, but my recent experience in
big, noisy pileups has made this problem stand out.
The t/r transitions in QSK and semi-QSK CW when there are nearby
strong signals make a horrible racket -- enough to make me turn down
the volume when sending, which negates the utility of QSK, of course.
Although the QSK is smooth and quiet on a quiet band, this is not the
case when there are strong signals around. Here in 4X the EU signals
can be super-strong, and in recent FT4TA pileups, the banging and
crashing around my sidetone made operating sheer torture.
Yes, I am using QRQ mode (I listen to the DX on the subrx and the
pileup on the main so as to make this possible) and New QSK. It
doesn't matter.
The problem is as bad or worse in 'simplex' operation when numerous
stations are calling a DX station on the same frequency.
I understand that this is caused by the limitations of the
synthesizers. But I have discussed with Wayne and Lyle the possibility
of changing the RX muting function, which would slow down the QSK but
at least make it quiet. Fast QSK is worthless if I have to turn down
the audio to protect my eardrums!
This would do a huge amount to increase the operating pleasure of
serious CW operators. The feature could be optional so those who like
to ragchew at high speed in QRM-free spots could turn it off.
--
73,
Vic, 4X6GP/K2VCO
Rehovot, Israel
http://www.qsl.net/k2vco/
--
Vic
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