Except for the relatively rare times when major CW contests are going on, the CW
portions of all ham bands are virtually empty, including 20m.
Bob Marston wrote:
> At 11:15 AM 1/28/99 -0000, Peter Chadwick wrote:
> >>Given the fact that cw is far more spectrum efficient
> >It isn't. Spectrum efficiency is bits/Hz.
> >HF packet is about 0.1 bits/Hz. HF CW is about 10bits/sec, and needs about
> >50Hz to allow for fading etc, so is about 0.2 bits/Hz. Analogue speech is
> >often reckoned as about 2 bits/Hz.
> >CW is inherently narrow band, not spectrally efficient.
> OK Point Taken...But that still doesn't change my arguement...What I meant
> to convey is that far more cw signals can be accomodated in the same
> frequency spectrum as SSB signals.
> Bob K1TA
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