Document ID: chunk:federal_register_of_legislation:F2024C00270:reg:503:p1
Version: federal_register_of_legislation:F2024C00270
Segment Type: reg
Provision Reference: reg 503 (pt 1/5)
Character Range: 55149–59491

503   International Standard IEC 62320-3, Maritime navigation and radiocommunication equipment and systems – Automatic identification systems (AIS) – Part 3: Repeater Stations – Minimum operational and performance requirements - Methods of test and required test results, published by the International Electrotechnical Commission and as in existence from time to time
      Note: Documents made or published by the International Electrotechnical Commission are available at http://www.iec.ch.

               Schedule 2  Distress, urgency, safety or calling requirements using radiotelephony
               (sections 6.3 and 7.3)
Note 1: A frequency mentioned in column 2 of an item in this Schedule applies to the sending of a transmission and the receipt of a transmission, unless the frequency is accompanied by the suffix 'Tx' (which refers only to the sending of a transmission) or 'Rx' (which refers only to the receipt of a transmission).
Note 2: The HF frequencies in this Schedule are those prescribed in Appendix 17 (REV. WRC-15) of the ITU Radio Regulations.

Item  Carrier frequency  Maximum transmitter output power  Purpose
      (Channel number)                                     Limitations
 1    2112 kHz           400 watts pX                      Safety of ships and persons
 2    2182 kHz           100 watts pZ                      Distress, urgency and safety
                         400 watts pX                      Calling
                                                           For distress, mode of operation must be AM or compatible SSB
 3    2524 kHz           400 watts pX                      Safety of ships and persons
 4    4125 kHz           400 watts pX                      Distress, urgency and safety
                                                           Calling
 5    4417 kHz           400 watts pX                      Calling
 6    4620 kHz           400 watts pX                      Safety of ships and persons
 7    6215 kHz           400 watts pX                      Distress, urgency and safety
                                                           Calling
 8    6516 kHz           400 watts pX                      Calling
 9    8291 kHz           400 watts pX                      Distress, urgency and safety
                                                           Calling
 10   8779 kHz           400 watts pX                      Calling
 11   12290 kHz          400 watts pX                      Distress, urgency and safety
                                                           Calling
 12   12539 kHz          400 watts pX                      Calling
                                                           Subsections 6.3(2) and 7.3(2) apply
 13   13137 kHz          400 watts pX                      Calling
                                                           Subsections 6.3(2) and 7.3(2) apply
 14   16420 kHz          400 watts pX                      Distress, urgency and safety
                                                           Calling
 15   16537 kHz          400 watts pX                      Calling
                                                           Subsections 6.3(2) and 7.3(2) apply
 16   17302 kHz          400 watts pX                      Calling
                                                           Subsections 6.3(2) and 7.3(2) apply
 17   27860 kHz          4 watts pZ                        Distress, urgency and safety
      (86)               12 watts pX                       Calling
                                                           This channel may be used only if 27880 kHz is busy
 18   27880 kHz          4 watts pZ                        Distress, urgency and safety
      (88)               12 watts pX                       Calling
 19   156.375 MHz        83 watts EIRP                     Distress, urgency, safety or calling
      (67)                                                 This channel may be used only as a supplementary channel to 156.800 MHz
 20   156.800 MHz        83 watts EIRP                     Distress, urgency and safety
      (16)                                                 Calling

              Schedule 3  Distress, urgency, safety or calling requirements using DSC
             (sections 6.3 and 7.3)
Note 1: A frequency mentioned in column 2 of an