W1GOR> A hardware defined radio would require changing crystals, P/L tones,
and
ANI codes. This process requires considerable time, technical talent,
may introduce errors
SDR greatly expands the field for error introduction :-) This is often
called legacy curse in computers.
Real gains with digital HF radios will be achieved soon after the
availability of 16 bit A/D runing up to 30 MHz.
73 de Mario, S56A, N1YU
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