Nate Bargmann wrote in a message to Mike Bilow:
> An interesting side issue of this, at least with respect to the UK amateur
> radio licence, is that we are forbidden to transmit codes and ciphers.
NB> Actually we here in the U.S.A. have the same restriction.
NB> Essentially here, it boils down to the FCC being able to
NB> tell who's transmitting. So, long as someone using a new
NB> protocol (not sure of unpublished) indentifies periodically
NB> in CW, all seems to be well.
The actual U.S. FCC rule prohibits only codes and ciphers "intended to obscure
the meaning of" the communication. Therefore, some uses -- especially
cryptographic authentication -- are permitted for U.S. hams
-- Mike
