Amateur Radio is a great hobby if you're interested in radio wave propagation, RF engineering, radiosport, digital modes, satellites, etc.
It's surprisingly easy to get a license, and you'll find that many of the older generation of radio amateurs are among the most young-at-heart oldsters you'll encounter.
It's surprisingly easy to get a license, and you'll find that many of the older generation of radio amateurs are among the most young-at-heart oldsters you'll encounter.