§ 74.482   Station identification.

   (a)  Each  remote  pickup broadcast station shall be identified by the
   transmission of the assigned station or system call sign, or by the call
   sign  of  the  associated broadcast station. For systems, the licensee
   (including those operating pursuant to § 74.24 of this part) shall assign a
   unit designator to each station in the system. The call sign (and unit
   designator, where appropriate) shall be transmitted at the beginning and end
   of each period of operation. A period of operation may consist of a single
   continuous  transmission,  or  a  series of intermittent transmissions
   pertaining to a single event.

   (b) In cases where a period of operation is of more than one hour duration
   identification of remote pickup broadcast stations participating in the
   operation shall be made at approximately one-hour intervals. Identification
   transmissions  during  operation  need  not  be made when to make such
   transmissions would interrupt a single consecutive speech, play, religious
   service, symphony, concert, or any type of production. In such cases, the
   identification transmissions shall be made at the first interruption in the
   program continuity and at the conclusion thereof. Hourly identification may
   be accomplished either by transmission of the station or system call sign
   and unit designator assigned to the individual station or identification of
   an associated broadcasting station or network with which the remote pickup
   broadcast station is being used.

   (c) In cases where an automatic relay station is a part of the circuit, the
   call sign of the relay transmitter may be transmitted automatically by the
   relay transmitter or by the remote pickup broadcast base or mobile station
   that actuates the automatic relay station.

   (d)  Automatically activated equipment may be used to transmit station
   identification in International Morse Code, provided that the modulation
   tone is 1200 Hz±800 Hz, the level of modulation of the identification signal
   is maintained at 40%±10%, and that the code transmission rate is maintained
   between 20 and 25 words per minute.

   (e)  For  stations using F1E or G1E emissions, identification shall be
   transmitted in the unscrambled analog (F3E) mode or in International Morse
   Code  pursuant  to  the provisions of paragraph (d) of this section at
   intervals not to exceed 15 minutes. For purposes of rule enforcement, all
   licensees using F1E or G1E emissions shall provide, upon request by the
   Commission, a full and complete description of the encoding methodology they
   currently use.

   Note: Stations are encouraged to identify using their associated part 73
   station call sign.

   [ 41 FR 29686 , July 19, 1976, as amended at  47 FR 9220 , Mar. 4, 1982;  52 FR 47569 , Dec. 15, 1987;  56 FR 28499 , June 21, 1991;  68 FR 12766 , Mar. 17,
   2003]

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Subpart E—Aural Broadcast Auxiliary Stations

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