The big variable is your callsign when calling CQ. K0OOO is a high duty
cycle call, but EE5E is low.
- K1EA
On Mon, Jul 4, 2022 at 11:02 AM Barry W2UP <w2up.co@gmail.com> wrote:
> The overall duty cycle DOES vary with speed because the pauses after a CQ,
> between S&P QSOs, etc. are relatively fixed spaces independent of speed.
> SO, if the CW is faster, there will be less transmit time relative to
> listening time.
>
> Barry W2UP
>
> On Mon, Jul 4, 2022 at 7:19 AM Paul O'Kane <pokane@ei5di.com> wrote:
>
> > On 04/07/2022 05:24, AB2E Darrell wrote:
> > > Hello all,
> > > Can anyone tell me the approximate duty cycle for 30-35wpm CW in a
> > contest?
> > >
> > The duty cycle for CW does not vary with speed.
> >
> > The standard word PARIS for assessing speed has 50 units, of which 22
> > are key down. Therefore, the duty cycle is 44% for an average of 5
> > characters per word.
> >
> > Because some loggers reduce inter-word spacing from 7 to 6 units, the
> > duty cycle becomes 22 in 49, which is approximately 45%.
> >
> > These are worst-case duty-cycle values for contesters, because exchange
> > elements (words) are generally shorter than 5 characters. Callsigns
> > with 6 or more characters will tend to increase duty cycles, but
> > probably never more than 50%.
> >
> > 73,
> > Paul EI5DI
> >
> >
> >
> >
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> >
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