"Polymath" wrote
Ham Radio is a technical pursuit for those who
are interested in the science of radio wave
propagation and who are also interested in the
way that their radios function. It has a long-standing
tradition of providing a source of engineers who
are born naturals.

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I do not wholely agree.

There are many radio amateurs who are, or have been, professional
engineers, not necessarily radio engineers, who contribute in their
many various ways towards the hobby.

'Hobby' is perhaps not the best of descriptions. It is an
international affair.
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Reg, G4FGQ