§ 22.313   Station identification.

   The licensee of each station in the Public Mobile Services must ensure that
   the transmissions of that station are identified in accordance with the
   requirements of this section.

   (a) Station identification is not required for transmission by:

   (1) Stations in the Cellular Radiotelephone Service;

   (2)  General aviation ground stations in the Air-ground Radiotelephone
   Service;

   (3) [Reserved]

   (4) Stations using Basic Exchange Telephone Radio Systems in the Rural
   Radiotelephone Service;

   (5) [Reserved]

   (6) Stations operating pursuant to paging geographic area authorizations.

   (b)  For  all  other  stations  in the Public Mobile Services, station
   identification must be transmitted each hour within five minutes of the
   hour,  or  upon  completion  of the first transmission after the hour.
   Transmission of station identification may be temporarily delayed to avoid
   interrupting  the  continuity of any public communication in progress,
   provided that station identification is transmitted at the conclusion of
   that public communication.

   (c)  Station identification must be transmitted by telephony using the
   English language or by telegraphy using the international Morse code, and in
   a form that can be received using equipment appropriate for the modulation
   type employed, and understood without the use of unscrambling devices,
   except  that, alternatively, station identification may be transmitted
   digitally,  provided  that  the  licensee provides the Commission with
   information sufficient to decode the digital transmission to ascertain the
   call sign. Station identification comprises transmission of the call sign
   assigned by the Commission to the station, however, the following may be
   used in lieu of the call sign.

   (1) For transmission from subscriber operated transmitters, the telephone
   number or other designation assigned by the carrier, provided that a written
   record of such designations is maintained by the carrier;

   (2)  For  general  aviation airborne mobile stations in the Air-Ground
   Radiotelephone  Service,  the  official FAA registration number of the
   aircraft;

   (3) For stations in the Paging and Radiotelephone Service, a call sign
   assigned to another station within the same system.

   [ 59 FR 59507 , Nov. 17, 1994, as amended at  59 FR 59955 , Nov. 21, 1994;  62 FR 11633 , Mar. 12, 1997;  70 FR 19308 , Apr. 13, 2005]

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