so ive been licensed for about 4 months now and i get on the air pretty regularly but there are so many abbreviations being thrown around that i honestly only understand maybe half of what people are saying. like i know QSL means confirmed and QTH is location, those were drilled into me for the test. but then someone will say something like QRM or QRN and i kinda just nod along and hope context fills in the gaps.

is there like a master list somewhere or do people just pick these up over time? also some guys on HF use stuff that isnt even Q codes, like they'll say 73 or 88 or say someone is an OM and i have no idea if im supposed to respond a certain way. its not a huge deal but i feel dumb sometimes when someone asks me something and i have to ask them to repeat it three times just because i didnt catch the abbreviation

yeah this tripped me up too when i started. QRM is interference from other stations, like man-made noise, and QRN is natural static, like lightning crashes and stuff. QSB is fading signal, you hear that one a lot on 40m when conditions are shifting around. QRP means low power operation, under 5 watts usually. QRO is the opposite, running high power. QRZ just means who is calling me, you hear that at the end of CQ calls a lot.

the 73 thing just means best regards, its been around since like the telegraph days, nothing complicated. 88 is love and kisses, traditionally sent to women but honestly its just friendly now. OM means old man which sounds rude but its actually just a friendly term for any male ham, doesnt matter how old you actually are. YL is young lady but again used for any female operator. dont overthink the social ones, people arent being weird they just have weird traditions going back a hundred years

ARRL has a decent reference page for Q codes, just google ARRL Q codes and itll come up. honestly though you absorb most of it just by being on the air. took me maybe six months before i stopped having to think about what QSB meant mid-QSO

QRN drove me crazy for the longest time because i kept mixing it up with QRM. the way i finally remembered it was QRN = Nature (static from storms etc) and QRM = Man-made. probably not how youre supposed to remember it but it worked for me lol. also QRX means stand by or wait a minute, and QRT means im shutting down or going off the air. those two come up more than youd think