so ive been on HF for about 8 months now and i notice some guys use phonetics for everything and others barely use them at all. like on 40m SSB sometimes ill hear someone just say their callsign normally and other times they spell every single letter out with the full NATO thing. is there like an actual rule for this or is it just personal preference? i feel kinda awkward doing Alpha Bravo Charlie etc when the band is totally clear and we can hear each other fine. but then i also dont want to sound like i dont know what im doing by NOT using them. also does it matter if i use like... non-standard ones? i heard a guy say Sugar instead of Sierra once and it threw me off for a second

honestly the general rule most people follow is you use phonetics when there's any chance the other station might mishear you, which on SSB is like... most of the time. on a dead quiet band with a strong signal yeah you can probably just say your call straight and it's fine. but when you're exchanging callsigns especially with someone far away or when QRM is an issue, phonetics just prevent you from having to repeat yourself five times. the ITU standard is the NATO alphabet and that's what you should stick to. the reason non-standard ones are a problem is exactly what you said — sugar vs sierra made you hesitate. now imagine that on a pile-up or during an emergency net where every second counts. people expect Sierra, they hear Sierra, brain processes it fast. you say Sugar and there's that little hiccup. it doesn't seem like a big deal but it adds up. not saying the phonetics police are gonna come after you or anything, plenty of old timers use their own favorites, but if you're still learning i'd just get the NATO ones locked in first.

yeah the sugar thing bugs me too lol. i used to work with a guy on a local net who always said London for Lima and it just. i dunno it never sounded right. i think for everyday ragchewing on a clear frequency most people dont bother with full phonetics every time, but when youre signing off or when someone asks you to repeat your call thats when you definitely want to go full NATO. i mess it up sometimes under pressure honestly, like ill blank on what X is supposed to be. X-ray right? yeah. anyway you'll figure out when it feels natural to use them, it kind of just comes with time on the air