No, not by "content", except for unallowed transmission of music, pornography, business communications, etc., there is no regulation by "content". You can say or send whatever you wish. "Content" is the data delivered. The actual wording in the regulations is "emission type" instead of mode, but most understand that the emission type, "phone" is a mode of operation.

Please refer to


       §97.305 Authorized emission types.

73 - Skip KH6TY




expeditionradio wrote:
> KH6TY <kh...@...> wrote:
> Paul, it works, at least in part, because the huge
> numbers of US amateurs in proportion across the
> border are regulated both by mode and by bandwidth.

Hi Skip,

Perhaps you may want to re-phase that?
USA ham sub-bands are regulated by content
rather than mode/bandwidth.

Bonnie KQ6XA


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