On Sun, 12 Aug 2007 [EMAIL PROTECTED] wrote:
Why can't I run FM voice that's 15 or 20 kHz wide on 75 meters? I think it
would sound really, really good. Much better than even AM, and immune to summer
QRN. The transmitter would be very efficient, modulated at low level and
amplified in highly efficient Class E stages that are very simple and don't
have to
be amplitude-linear at all. I'd be experimenting with new things.
Marvelous idea...logical too...and flies in the face of operating efficiently.
But, that notwithstanding, with limited spectrum space available, even after the
expansion of the phone bands, why are we considering reducing the number of
channels available, by increasing the bandwidth?
Arguments in favor of creating wider than required signals remind me of folks
who buy a car with a huge engine and then insist they be allowed to drive at no
less than 90 mph.
73 thom
Thom,EIEIO
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