[Elecraft] K3(S) QSK Operation

[Bob Wilson, N6TV]

The 37 WPM jitter issue is actually related to VOX timing (with either QSK
or semi-breakin).  If you hold the PTT line closed while transmitting, via
a foot switch, software-controlled  PTT, or an external keyer like a WinKey
with a PTT output, you can send as fast as you like, no CW jitter, but you
give up QSK and semi-breakin.  This works whether you have VOX ON or OFF.

For more details, see this post from about 4 years ago:

http://lists.f5mzn.org/pipermail/support/2013-November/083384.html

The new KSYN3A synthesizer is highly recommended though, especially for QRQ
CW.

Also, what firmware version are you running?

73,
Bob, N6TV

On Tue, Sep 5, 2017 at 8:19 PM, K9MA <k9ma at sdellington.us> wrote:

> I just learned of the "37 wpm" problem with the original K3 (non-S), which
> I have.  I just verified that, indeed, above 37 wpm the cw gets all messed
> up.  This seems to occur whether in QSK (Break-in) or PTT mode.  The
> problem seems to go away, at least up to 50 wpm, in the QRQ mode.
>
> A possibly related issue is the slow QSK recovery.  In the normal QSK
> mode, one can just hear between the dits at 16 wpm.  In QRQ mode, that goes
> all the way up to 18 wpm.
>
> Does the new synthesizer ala K3S solve either of these problems? If not,
> is there another solution?
>
> 73,
>
> Scott K9MA
>
> --
> Scott  K9MA
>
> k9ma at sdellington.us
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to n6tv at arrl.net