so ive been listening to a lot of HF lately and everyone is throwing around all these codes and abbreviations and i can barely keep up. like i get QSO is a contact and QTH is location but then someone will say something like QRM or QSB or TNX es 73 and i kinda piece it together from context but i dont really know if im right

is there like an actual list somewhere that people use or do you just kind of absorb it over time? also some of the CW guys seem to use even more shorthand like GE and GM and stuff, are those separate from Q codes or is it all mixed in together. just trying not to sound like a complete idiot when i finally get on the air

yeah its a lot at first but honestly you do just absorb most of it. the Q codes were originally from maritime and commercial radio before ham radio even existed, so theres a ton of them that nobody ever actually uses on the air. the ones you really need for everyday HF are maybe a dozen or so -- QRM is interference from other stations, QRN is static and natural noise, QSB is fading, QRZ means whos calling me, QRL means the frequency is in use or busy, QRX is standby wait a minute basically.

the other stuff like TNX is just thanks, es is the word and, 73 is best regards or best wishes and thats probably the most universal one in ham radio. GM GE GA are just good morning good evening good afternoon. none of that is technically Q codes, its just old telegraph shorthand that stuck around. arrl website has a decent reference list but honestly just get on the air and it clicks pretty fast once you hear it in actual conversations

oh man i remember being totally lost with this stuff when i was studying for my tech. what got me was that some Q codes mean different things depending on whether you're asking or answering, like QRV as a question means are you ready and as a statement means i am ready. once i figured that out it made a lot more sense why people were saying the same code in different situations and i wasnt just mishearing things lol