Mode is not equivalent to "emission type", "Phone" is not a "mode". "Phone" is not an "emission type".
Content is what the emission "contains" or what is "carried" by the emission. Content can often be part of the emission type, but not always. Sub-bands are demarcated primarily by content, not substantially by mode or bandwidth. Bandwidth has very little to do with the demarcation of HF sub-bands. A mode, such as AM or FSK or FM can easily "contain" or carry voice or image or text or data as its "content"... even simultaneously! However, the FCC rules demarcate the sub-bands by content, so ye shalt not allow any text to be "contained" in your AM or FSK or FM mode transmission while in the "phone/image" sub-band (with few exceptions). Bonnie Crystal KQ6XA --- In digitalradio@yahoogroups.com, KH6TY <kh...@...> wrote: > > No, not by "content", except for unallowed transmission > of music, pornography, business communications, etc., > there is no regulation by "content". > 73 - Skip KH6TY
