When Don wrote the paragraph quoted below, I started to think
why I would want to use one of these modes. AM doesn't seem very
likely except as a demo.
But ESSB might be useful to transmit a wide-band, high bit rate
digital mode via a computer sound card. Those sound cards have
at least 15KHz
ESSB might be useful to transmit a wide-band, high bit rate
digital mode via a computer sound card. Those sound cards have
at least 15KHz bandwidth,
ESSB is limited to 4.0 KHz but is not available in digital modes
(DATA A or AFSK A). While ESSB might be useful for those modes in
which
I am digging to the bottom of the barrel for reasons to have a
broad transmit bandwidth.
I don't think the high speed digital mode I'm thinking about has
yet been invented, but one of the purposes of amateur radio is
to expriment with new modes. I see such a mode as being useful
for meteor
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