ok so ive been licensed for about 4 months now and i still feel kind of awkward about when to use phonetics. like i know the NATO alphabet, alpha bravo charlie etc, but i never know if im supposed to use it every single time i say a callsign or just when things are hard to copy. i was doing a simplex contact last weekend and the other guy just rattled off his call without any phonetics and i felt dumb for doing the full phonetic thing on mine. is there like an unwritten rule about this or does it just depend on the situation. also heard someone on a net use "america" instead of "alpha" which threw me off, is that wrong or is it just an older thing people do

yeah so the short answer is there's no hard rule, it really does depend on conditions and context. on a clear local repeater with a strong signal most people just say the letters, maybe throw in phonetics if it's a weird callsign or if there's a letter that sounds like another one, like B and D or M and N. but if you're on HF and the band is noisy or you're working someone who might not have english as their first language, full phonetics every time makes a lot more sense and people will appreciate it.

the america vs alpha thing -- that's just old habits dying hard. pre-NATO there were other phonetic alphabets floating around and some older hams just never fully switched. it's not wrong exactly but it can cause confusion, especially in any kind of formal or emergency traffic situation where NATO is basically required. for everyday QSOs nobody's gonna say anything but just stick with the standard NATO set and you'll be fine.

honestly i still mess this up sometimes and ive been licensed way longer than you lol. my general thing is i phonetic my callsign on first contact and then just say it normally after that once we've established we can hear each other ok. and yeah if the band is rough i go back to full phonetics. nobody's gonna get upset either way, worst case they ask you to say it again.