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confused about where exactly i can operate on 40m as a general

okay so i just upgraded to general last month and im trying to figure out where i can actually transmit on 40 meters. i read the band plan on the arrl website but honestly it just confused me more. like i understand i have privileges starting at 7.175 for phone but then i see people talking way lower than that and i dont know if theyre extras or what

also whats the deal with the band edges, someone at my club said to stay away from 7.300 but didnt really explain why. is it just that you might drift over or is there a legal thing about it

sorry if this is a dumb question im still figuring all this out

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not a dumb question at all, this trips up a lot of new generals. so the short version is yeah, anything below 7.175 on phone is extra class only. the folks you're hearing down there are either extras or they're just not paying attention to the rules, both happen more than you'd think.

the band edge thing is a real practical concern more than a hard legal line in most cases. the idea is that if your signal has any sidebands or if you drift even a little, you dont want to end up outside the allocation entirely. on 40m the upper edge is 7.300 and if you're running USB and you park your dial right on 7.300, your actual transmitted signal is going to be 2-3 kHz above that depending on your voice. so the suppressed carrier is what the dial shows, not where your audio is actually going. staying a few kHz inside the edge just gives you breathing room. most experienced ops wont go above about 7.295 or so for that reason.

yeah what he said about the sidebands is the thing people dont realize at first. i made that mistake early on, had my dial sitting right at the edge thinking i was legal and someone pointed out my upper sideband audio was spilling over. felt pretty dumb but hey thats how you learn

also worth knowing that the band plan the arrl publishes is kind of a gentlemans agreement on top of the actual FCC allocations. like the digital segments and stuff are not law exactly, just what everyone agreed to do. the part about general vs extra privileges though, that IS the actual regulation so you gotta respect that one

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