[CQ-Contest] Key Clicks in ARRL DX CW

[Jukka Klemola]

Al,
If you use noise blanker, it takes the signal input before the 400Hz filter.
The filter for the blanker width is 12kHz or so.
There are many things that can go wrong, producing effects to the earphones
that may sound like clicks.
73,
Jukka OH6LI

2016-02-23 18:06 GMT+02:00 alannottage--- via CQ-Contest <
cq-contest at contesting.com>:

>
> I have an Inrad 400Hz filter in my old radio.  Lovely filter (great shape
> factor) but not much use now that folk are spaced at 300Hz intervals, alas
> :<(
>
>
> Al G0XBV
>
>
>
> -----Original Message-----
> From: Barry N1EU <n1eu.barry at gmail.com>
> To: CQ-Contest Reflector <cq-contest at contesting.com>
> Sent: Tue, 23 Feb 2016 13:51
> Subject: Re: [CQ-Contest] Key Clicks in ARRL DX CW
>
> On Mon, Feb 22, 2016 at 9:50 PM, David Siddall <hhamwv at gmail.com> wrote:
>
> >
> > The cleanest rig out of the box in clicks with rise time set correctly
> and
> > not adjustable, and least transmitted IMD, is the Elecraft K3/K3S.
>
>
> I used a K3s last weekend and used a different radio in CQ WW CW.  I spent
> about the same amount of time running but I definitely experienced more key
> clicks in this contest.  It is very likely that the cleaner transmitter of
> the K3s was opening myself up to being crowded in upon by neighbors who had
> clicking transmitters.  Unless something is done about the situation, I
> have to seriously ask myself the question whether the cleaner receiver of
> the K3 outweighs the greater vulnerability to being "clicked on" as a
> result of the cleaner K3s transmitter not warding off encroaching
> stations.  It's very ironic.  The best contesting radio might not be the
> best contesting radio after all.
>
> It's a huge uphill battle to clean up all those key clickers out there.
> Maybe what we need is a MINIMUM SPACING rule for running stations.  It's
> absolutely ridiculous (and untenable) that a station can plop down 300hz
> away from me because he doesn't hear key clicks from my clean transmitter
> and he ends up ruining my run and forcing me to QSY.  Absolutely
> unacceptable.
>
> 73,
> Barry N1EU
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