Let me do my best: 1. If it hasn’t expired, the FCC callsign lookup should tell you 2. There have been developments into digital modes, as well as growth in D

Let me do my best: 1. If it hasn’t expired, the FCC callsign lookup should tell you 2. There have been developments into digital modes, as well as growth in DMR and DX competitions. But as a licensed amateur myself, I’m actually not sure what most people who get licensed these days do 3. Yep, some of the CW frequencies are fairly busy, given you can get some crazy range. And kits like the QRP labs QCX is $40-odd 4. No idea, I had a quick google and it didn’t become any more apparent, sorry!