readily accessible to the general public
(16) “readily accessible to the general public” means, with respect to a radio communication, that such communication is not— (A) scrambled or encrypted; (B) transmitted using modulation techniques whose essential parameters have been withheld from the public with the intention of preserving the privacy of such communication; (C) carried on a subcarrier or other signal subsidiary to a radio transmission; (D) transmitted over a communication system provided by a common carrier, unless the communication is a tone only paging system communication; or (E) transmitted on frequencies allocated under part 25, subpart D, E, or F of part 74, or part 94 of the Rules of the Federal Communications Commission, unless, in the case of a communication transmitted on a frequency allocated under part 74 that is not exclusively allocated to broadcast auxiliary services, the communication is a two-way voice communication by radio;