[hpsdr] - Brian Lloyd, WB6RQN/J79BPL
r_burton
r_burton at surfglobal.net
Fri Oct 11 12:46:53 PDT 2013
Your point ...that a lot of hams buy into SDR simply because it appears
the the latest-and-greatest fad on the block... is well taken and I
agree with you fully. Your final comment,....”asking the examinee to
calculate parallel inductance in a circuit”... is somehow misplaced,
in view of the current advanced state of electronic technology...I am
afraid I must take issue with.
You are absolutely right, since everything in our lives, ham radio
included, is going or has gone digital, a ham should know something
about digital electronics. The FCC however, is responsible for
enforcing the qualifications and setting the rules governing who is
permitted to put a radio signal on the air in a crowded spectrum. In
order to do this one absolutely must understand the fundamentals of
resonant circuits, i.e., inductance, capacitance, resistance..etc.
Honestly, I simply don't know of a way to pack all of this into a 50
question test. For many, many years, knowing CW was the screening
device for getting people with “the right incentives” into ham radio
– now we try to do it all with a written test. There are already
plenty of questions about AND and OR gates on the test, this however is
far from adequate in a world of SDR.
Incidentally, even though we have been a licensed ham since 1959, we
went on to earn our living in software engineering and
telecommunications - we do know what a DDS and an FFT are. We even know
a little of the internals of SDR!
Bob, W1RRI
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