ok so ive been licensed about 4 months now and i mostly do 2m FM through the local repeater and occasionally some HF when conditions are decent. my question is about phonetics — like i know the NATO ones, Alpha Bravo Charlie etc, but i feel like nobody on the repeater actually uses them consistently. sometimes people spell out their callsign just saying the letters normally and its fine, other times someone goes full phonetic the whole way through.

is there a rule about when you have to use them vs when you can just say the letter? i looked through part 97 and didnt really see anything specific. my elmer told me to always use phonetics when giving my call but then i hear plenty of guys on the repeater just rattling off their letters and everyone seems to understand fine. just wondering if im overthinking this or if theres actually a standard people are supposed to follow

you're not overthinking it exactly but also yeah the repeater crowd is pretty relaxed about it. the short answer is part 97 doesnt mandate you use phonetics, its just strongly recommended practice especially when theres any chance of confusion or poor copy. on a local FM repeater with full quieting its usually totally fine to just say your letters — Q-R-Z whatever, everyone hears it crystal clear.

where phonetics really matter is on HF, especially SSB when conditions are rough or when youre working someone far away who might not catch every letter. or in any kind of formal net. the NATO alphabet exists because when a channel is noisy, B and D and E and V all start sounding alike real fast. try it sometime on 40m when a station is barely above the noise and youll understand pretty quick why Alpha Bravo Charlie beats just spelling it straight out. on the repeater though honestly nobody cares too much, do whatever feels natural

also worth knowing that the NATO phonetics arent the only ones people use — you'll sometimes hear older ops use things like Baker instead of Bravo or Able instead of Alpha, thats the old ICAO/military alphabet from before they standardized everything in the 50s. doesnt really matter as long as the other person understands you but if your doing any digital voice stuff or working internationally stick to the standard ones