"rickman" wrote in message ...

The term "amateur" is often applied to people who have obtained a
license to use radio equipment for communications. Is this term
inclusive of those who don't obtain a license but use receivers for
various uses?

I have been looking into design of receivers in the LF to ELF frequency
ranges. Is this part of "amateur" radio?

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I would say no. Can we term such people radio experimenters, please?

There are certainly radio experimenters who neither need or want to hold
licenses to use the amateur bands and I have NO objection to their choice
of what they want to build and try. I think the folks who hold ham licenses
can legitimately lay claim to the moniker "radio amateur."

I wish language had the same certainties as, say, physics. It doesn't.
Language has wiggle room and we're stuck with it.

"Sal"