ok so i passed my general back in march and ive been trying to figure out the 40 meter band and honestly the band plan stuff is making my head spin a little. like i understand theres phone and cw portions but when i look at different sources online i get slightly different answers on where the edges are and what i can actually do vs what i should do vs what im legally allowed to do. my elmer kind of glossed over this and said just stay away from the band edges which fine but i want to actually understand it. also whats the deal with 7.125 or wherever it is, someone on a net told me to be careful around there but didnt explain why. is there like one authoritative place i should just look this up or is it really as confusing as it seems

yeah the band plans can be a bit confusing at first because theres the FCC allocations which are the actual legal limits, and then theres the ARRL band plan which is more of a gentlemans agreement about who operates where. for 40m as a general your phone privelege starts at 7.175 and goes up to 7.300 which is the top of the US allocation. the cw and data stuff is down lower. the reason people say watch the band edges is because if your signal is wide or your rig is slightly off you can accidentally splatter outside the allocation which is a rules violation. 7.125 specifically is kind of a gray zone because theres some international stuff going on around there and you can hear DX stations working outside what we'd consider normal domestic phone territory. its not that complicated once it clicks but i remember being in the same spot when i first upgraded

the part that got me was realizing the ARRL band plan isnt law, its just what everybody more or less agreed to do. so technically you could operate phone right at 7.175 if you wanted but you'd probably step on someone doing digital or whatever. i just bookmarked the ARRL band plan page and the FCC part 97 subpart D and kind of cross reference them when im unsure. honestly after a few months of just operating you start to get a feel for where things actually happen on the band vs where the plan says they should happen which is sometimes pretty different lol