47 CFR Ch. I (10–1–10 Edition)

§ 80.101 47 CFR Ch. I (10–1–10 Edition)

Telegraph Regulations are contained in test must be identified as ‘‘FCC’’ or the ‘‘Manual for Use by the Maritime ‘‘technical.’’ Mobile and Maritime Mobile-Satellite (c) Survival craft transmitter tests Services’’ published by the Inter- must not be made within actuating national Telecommunication Union. range of automatic alarm receivers.

§ 80.101 Radiotelephone testing proce- [51 FR 31213, Sept. 2, 1986, as amended at 63 dures. FR 29659, June 1, 1998; 68 FR 46961, Aug. 7, 2003] This section is applicable to all sta- tions using telephony except where § 80.102 Radiotelephone station identi- otherwise specified. fication. (a) Station licensees must not cause This section applies to all stations harmful interference. When radiation using telephony which are subject to is necessary or unavoidable, the testing this part. procedure described below must be fol- (a) Except as provided in paragraphs lowed: (d) and (e) of this section, stations (1) The operator must not interfere must give the call sign in English. with transmissions in progress. Identification must be made: (2) The testing station’s call sign, fol- (1) At the beginning and end of each lowed by the word ‘‘test’’, must be an- communication with any other station. nounced on the radio-channel being (2) At 15 minute intervals when used for the test. transmission is sustained for more (3) If any station responds ‘‘wait’’, than 15 minutes. When public cor- the test must be suspended for a min- respondence is being exchanged with a imum of 30 seconds, then repeat the ship or aircraft station, the identifica- call sign followed by the word ‘‘test’’ tion may be deferred until the comple- and listen again for a response. To con- tion of the communications. tinue the test, the operator must use (b) Private coast stations located at counts or phrases which do not conflict drawbridges and transmitting on the with normal operating signals, and navigation frequency 156.650 MHz may must end with the station’s call sign. identify by use of the name of the Test signals must not exceed ten sec- bridge in lieu of the call sign. onds, and must not be repeated until at (c) Ship stations transmitting on any least one minute has elapsed. On the authorized VHF bridge-to-bridge chan- frequency 2182 kHz or 156.800 MHz, the nel may be identified by the name of time between tests must be a minimum the ship in lieu of the call sign. of five minutes. (d) Ship stations operating in a vessel (b) Testing of transmitters must be traffic service system or on a waterway confined to single frequency channels under the control of a U.S. Government on working frequencies. However, 2182 agency or a foreign authoriy, when kHz and 156.800 MHz may be used to communicating with such an agency or contact ship or coast stations as appro- authority may be identified by the priate when signal reports are nec- name of the ship in lieu of the call essary. Short tests on 4125 kHz are per- sign, or as directed by the agency or mitted by vessels equipped with MF/HF foreign authority. radios to evaluate the compatibility of (e) Voice traffic in the INMARSAT the equipment for distress and safety system is closed to other parties except purposes. U.S. Coast Guard stations the two stations involved and the iden- may be contacted on 2182 kHz or 156.800 tification is done automatically with MHz for test purposes only when tests the establishment of the call. There- are being conducted by Commission fore, it is not necessary for these sta- employees, when FCC-licensed techni- tions to identify themselves periodi- cians are conducting inspections on be- cally during the communication. For half of the Commission, when qualified terrestrial systems using DSC to estab- technicians are installing or repairing lish radiotelephone communications, radiotelephone equipment, or when the identification is made at the begin- qualified ship’s personnel conduct an ning of the call. In these cases, both operational check requested by the parties must identify themselves by U.S. Coast Guard. In these cases the ship name, call sign or MMSI at least

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once every 15 minutes during radio- deleting the trailing zero and adding a telephone communications. leading zero to the identity. (f) VHF public coast stations licensed (e) ITU–R M.541–9 with Annexes 1 to serve a predetermined geographic through 5, 2004, is incorporated by ref- service area are not required to provide erence. The Director of the Federal station identification under this sec- Register approves this incorporation tion. A site-based VHF public coast by reference in accordance with 5 station may identify by means of the U.S.C. 552(a) and 1 CFR part 51. Copies approximate geographic location of the of this standard can be inspected at the station or the area it serves when it is Federal Communications Commission, the only VHF public coast station serv- 445 12th Street, SW., Washington, DC ing the location or there will be no (Reference Information Center) or at conflict with the identification of any the National Archives and Records Ad- other station. ministration (NARA). For information on the availability of this material at [51 FR 31213, Sept. 2, 1986, as amended at 52 NARA, call 202–741–6030, or go to: http:// FR 35244, Sept. 18, 1987; 68 FR 46961, Aug. 7, www.archives.gov/federallregister/ 2003; 69 FR 64671, Nov. 8, 2004] codeloflfederallregulations/ § 80.103 Digital selective calling (DSC) ibrllocations.html. The ITU–R Rec- operating procedures. ommendation can be purchased from the International Telecommunication (a) Operating procedures for the use Union (ITU), Place des Nations, CH– of DSC equipment in the maritime mo- 1211 Geneva 20, Switzerland. bile service are as contained in ITU–R M.541–9, ‘‘Operational Procedures for [68 FR 46961, Aug. 7, 2003, as amended at 73 the Use of Digital Selective-Calling FR 4480, Jan. 25, 2008] Equipment in the Maritime Mobile Service,’’ with Annexes 1 through 5, § 80.104 Identification of radar trans- missions not authorized. 2004, and subpart W of this part. (b) When using DSC techniques, coast This section applies to all maritime stations and ship stations must use radar transmitters except radar beacon maritime mobile service identities stations. (MMSI) assigned by the Commission or (a) Radar transmitters must not its designees. transmit station identification. (c) DSC acknowledgment of DSC dis- (b) [Reserved] tress and safety calls must be made by OPERATING PROCEDURES—LAND designated coast stations and such ac- STATIONS knowledgment must be in accordance with procedures contained in ITU–R § 80.105 General obligations of coast M.541–9, ‘‘Operational Procedures for stations. the Use of Digital Selective-Calling Each coast station or marine-utility Equipment in the Maritime Mobile station must acknowledge and receive Service,’’ with Annexes 1 through 5, all calls directed to it by ship or air- 2004. Nondesignated public and private craft stations. Such stations are per- coast stations must follow the guid- mitted to transmit safety communica- ance provided for ship stations in ITU– tion to any ship or aircraft station. R M.541–9, ‘‘Operational Procedures for VHF (156–162 MHz) and AMTS (216–220 the Use of Digital Selective-Calling MHz) public coast stations may provide Equipment in the Maritime Mobile fixed or hybrid services on a co-pri- Service,’’ with Annexes 1 through 5, mary basis with mobile operations. 2004, with respect to DSC ‘‘Acknowl- edgment of distress calls’’ and ‘‘Dis- [65 FR 77824, Dec. 13, 2000] tress relays.’’ (See subpart W of this part.) § 80.106 Intercommunication in the (d) Group calls to vessels under the mobile service. common control of a single entity are (a) Each public coast station must authorized. A group call identity may exchange radio communications with be created from an MMSI ending in a any ship or aircraft station at sea; and zero, assigned to this single entity, by each station on shipboard or aircraft at

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