http://elecraft.85.s1.nabble.com/CW-rise-time-setting-tp7661876p7661879.html
modify or shorten it. I'll bet it will sound even better than a Drake or a
> You don't need to generate clicks to have a crisp CW tone. Elecraft uses
> a pretty much optimally shaped waveform (some version of a cosine function)
> and if I remember correctly the rise time is only about 2.5 msec, although
> I could be wrong about that last part. And while you may be careful not to
> use short rise/fall times when the band is active, in the past there have
> been folks on the contesting reflector who openly admitted they purposely
> generate clicks by shortening the rise/fall times to give themselves elbow
> room. I will always appreciate that Elecraft doesn't give those miscreants
> the means to pollute the band.
>
> 73,
> Dave AB7E
>
> On Mon, Jun 8, 2020 at 9:23 AM Richard Stutsman <
[hidden email]> wrote:
>
>> I for one would like to have some control over the rise/fall times.
>>
>> You want the cleanest (narrowest) of CW signals when operating on a
>> crowded
>> band or in a contest - unless you're a rare DX station. Most of my
>> operations are 22wpm rag chews on very uncrowded bands. We're often the
>> only discernible signals on an entire CW band. And conditions are often
>> noisy with deep QSB. Why not allow those of us operating in those
>> circumstances to shorten the rise times a bit, which makes it easier to
>> copy in noisy conditions, when any close-in clicks or thumps aren't going
>> to bother anybody? Copying a 'soft' weak CW signal is like trying to read
>> a
>> 'crisp' signal that's an entire S-unit weaker, IMO.
>>
>> My TS-590sg let's me do that, and I love it!
>>
>> Will the K4 sound as good as a Drake T4C? (Just askin'.)
>>
>> Rick N6IET
>>
>> > N4ZR wrote:
>> > >
>> > > Will the K4 have options for setting CW rise and fall times...?
>> > Hi Pete,
>> > Probably not. We've always been very careful to ensure our rigs have an
>> > exceptional clean, click-free CW signal. (Third-party testing bears this
>> > out.) Minimizing the bandwidth requires a very specific rise/fall time
>> and
>> > a hand-crafted sigmoidal shaping function in DSP.
>> > Colonel Sanders closely guards his fried chick recipe, Mrs. Fields won't
>> > reveal what's in her chocolate-chip cookies, and only selected firmware
>> > monks--sworn to secrecy--are privy to Elecraft's keying envelope
>> > coefficients :)
>> > 73,
>> > Wayne
>> > N6KR
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