I've had QSOs at 80 WPM with some guys having very sharp keying. I've
never noticed clicks on any of them. Off hand, don't know what radios they
use.
Barry W2UP
On Tue, Jun 9, 2020 at 7:11 AM K9MA <k9ma@sdellington.us> wrote:
> On a related note, if I've done the math right, at 50 wpm, a dit lasts
> 24 ms, not including the following space. I can see how 10 ms rise and
> fall might sound a bit mushy at that speed. 4 ms would probably sound
> better. However, contest speeds rarely exceed about 40 wpm, so 10 ms
> would probably be an acceptable tradeoff for a radio that lacks the
> raised cosine waveform, and much appreciated by the neighbors.
>
> Outside of contests, when the bands aren't crowded, I'd have no
> objection to the super-QRQ folks using faster rise and fall times. As
> long as they remember to switch it back before the next contest.
>
> 73,
> Scott K9MA
>
>
> On 6/8/2020 19:08, Jim Brown wrote:
> > On 6/8/2020 1:12 PM, Jim Brown wrote:
> >> They achieve rise time of about 2.5 msec,
> >
> > Correction from N6KR (designer) -- about 4 msec
> >
> > 73, Jim K9YC
> > _______________________________________________
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> > http://lists.contesting.com/mailman/listinfo/cq-contest
>
>
> --
> Scott K9MA
>
> k9ma@sdellington.us
>
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>
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