Goto Section: 80.141 | 80.143 | Table of Contents

FCC 80.142
Revised as of October 2, 2015
Goto Year:2014 | 2016
  § 80.142   Ships using radiotelegraphy.

   (a) Calling by narrow-band direct-printing. (1) NB-DP ship stations must
   call United States public coast stations on frequencies designated for NB-DP
   operation.

   (2) Where it is known that the coast station maintains a watch on working
   frequencies for ship station NB-DP calls the ship station must make its
   initial NB-DP call on those frequencies.

   (3) Calls to a coast station or other ship station must employ the following
   format: Coast station identification number, repeated twice; “DE”, sent
   once; and ship station selective call number, repeated twice. When the coast
   station  does not reply to a call sent three times at intervals of two
   minutes, the calling must cease for fifteen minutes.

   (b) NB-DP operating procedure. The operation of NB-DP equipment in the
   maritime mobile service must be in accordance with the operating procedures
   contained in ITU-R M.492-6 (incorporated by reference, see § 80.7).

   (c) Required channels for radiotelegraphy. (1) Each ship station using
   telegraphy on frequencies within the band 405-525 kHz must be capable of:

   (i) Transmit on at least two working frequencies and receive on all other
   frequencies necessary for their service using authorized emissions, and

   (ii) When a radiotelegraph installation is compulsory, a fourth frequency
   within this band which is authorized specifically for direction finding must
   also be provided.

   (2) Each ship station using telegraphy on frequencies within the band 90-160
   kHz must be capable of transmitting and receiving Class A1A emission on the
   frequency 143 kHz, and on at least two additional working frequencies within
   this band except that portion between 140 kHz and 146 kHz.

   (3) Each ship station using telegraphy and operating in the bands between
   4000-27500 kHz must be capable of transmitting and receiving Class A1A or
   J2A emission on at least one frequency authorized for calling and at least
   two  frequencies authorized for working in each of the bands for which
   facilities are provided to carry on its service.

   (4) Each ship station using telegraphy in Region 2 on frequencies within the
   band 2065-2107 kHz must be capable of transmitting and receiving Class A1A
   or  J2A emission on at least one frequency in this band authorized for
   working in addition to a frequency in this hand authorized for calling.

   [ 51 FR 31213 , Sept. 2, 1986, as amended at  54 FR 49993 , Dec. 4, 1989;  68 FR 46961 , Aug. 7, 2003;  69 FR 64672 , Nov. 8, 2004;  76 FR 67610 , Nov. 2, 2011]

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Goto Section: 80.141 | 80.143

Goto Year: 2014 | 2016
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