I would add that you can derive a lifetime ......
(I'm near 50 years since my first crystal set.)
......of entertainment by building antennas and comparing them to one
another.

That's my situation !

Thanks to all .

Now I understand the loading coils on a bugcatcher are not resonnant,
they're just loading coils.

I've built traps before for an 80m / 40m dipole. I don't have the
space for it here, but I'll try my hand on an 80m / 40m vertical with
top hat soon.

I've learned from books first, then by following the internet,
discussions about the subjects, I find other ways of looking into
things. It sure is fun to read what others are saying.