[Elecraft] K3 audio artifacts

[Vic Rosenthal]

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"
> <k2vco.vic at gmail.com>
> To: "Elecraft Reflector" <elecraft at mailman.qth.net>
> 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