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LF/MF
It seems to me if one has to use a Linear amp at 40%
efficiency for some modes this is vy inefficient. Other modes like CW, QRS
es Opera to some extent are far more efficient using class C,D,E at around 80 -
90 % efficient.
Surprised that Opera QSO mode seems to be neglected.
Beacon mode and QSL via Internet is not attractive, lots
of radio amateurs do not have broad band and it is also getting away from
amateur radio.
Real time QSO'S are preferable from an amateur radio point
of view ie CW, QRS and possibly OPERA in QSO mode.
Unattended machine modes dependent on third party
reporting is hardly amateur radio
de g3kev
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