On Sep 21, 2010, at 5:19 PM, Jeff Cochrane - VK4BOF wrote: > SSB is called mode A3J in most of the legal documents that govern our hobby. > The reason why the mode is called A3J in all the legal stuff is that the 3 is > the maximum bandwidth in khz that is permitted.)
The "3" in A3J has nothing to do with bandwidth -- the "3" stands for "a single channel containing analog information." 73 Chen, W7AY ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html