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headphones or a loudspeaker may be used, on condition that use of the loudspeaker is not less effective than use of headphones. While maintaining this watch, the operator shall not use or operate any radio equipment (such as, for examples, broadcast receivers, or amateur transmitters or receivers) not actually required in connection with mari. time mobile service.

(b) All public coast stations licensed to use frequencies in the authorized bands between 405 and 535 kc/s shall, during their hours of service, remain on watch on the calling frequency 500 kc/s, except when the operator is transmitting on 500 kc/s, operating the station transmitting or receiving equipment on any other frequency authorized for transmission or reception in the maritime mobile service (including maintenance of the watch on 143 kc/s if required as provided by paragraph (c) of this section) if it is not possible to maintain at the same time, by any practicable means, the watch for calls on 500 kc/s. Any practicable means of maintaining this watch would include a loudspeaker or headphones energized, if necessary, by an additional radio receiver (other than the receiver actually in use for nonwatch purposes) which is tuned to 500 kc/s. The provisions of this section, however, shall not relieve the coast station from complying with the requirements for a safety watch as prescribed in paragraph (a) of this section.

(c) On condition that compliance with the following requirement shall in no way interrupt or reduce the efficiency of the safety watch prescribed in paragraph (a) of this section, each coast station equipped and licensed for communication by means of class Al emission on frequencies within the band 90-160 kc/s shall, during its hours of service when not engaged in communication with another station of the maritime mobile service, keep watch for calls every hour on the frequency 143 kc/s for five minutes beginning at x h. 35 Greenwich mean time. $ 81.191 Radiotelephone watch by coast

stations. (a) Each public coast station licensed to use telephony shall, during its hours of service, keep watch on the frequency(s) authorized for working, which are used normally by mobile stations for transmission by telephony to the particular coast station; or in lieu of such

watch, the coast station shall, during its hours of service, monitor such frequency(s) by any apparatus which will automatically intercept signals from mobile stations with no less efficiency than that attainable by a watch and which automatically indicates the interception of such signals by either aural or visual means.

(b) As an alternative to keeping watch on (or monitoring) a working frequency in the band 1605–3500 kc/s as prescribed by paragraph (a) of this section, a public coast station may, in the discretion of the station licensee, keep watch on 2182 kc/s.

(c)(1) Each public coast station 11censed to transmit by telephony on one or more frequencies within the band 1605 to 3500 kc/S shall, during its hours of service for telephony, maintain an eficient watch for reception of A3 and A3H emissions on the carrier frequency 2182 kc/s whenever such station is not being used for transmission on that frequency: Provided, That the Commission may exempt any coast station from compliance with this requirement if it considers that the frequency 2182 kc/s is adequ ly guarded by other stations or that circumstances relative to the operation or location of the involved coast station are such as to render this requirement unreasonable or unnecessary for the purpose of this paragraph. The watch referred to in this subparagraph will not be deemed "eficient” unless the coast station is capable of normally receiving A3 emission on 2182 kc/s from mobile stations within the associated working frequency service area of the coast station, including periods of time when the coast station is transmitting on any other authorized frequency.

(2) Each public coast station licensed to transmit by telephony on one or more frequencies within the band 156-162 Mc/s shall, during its hours of service for telephony, maintain an efficient watch for the reception of Class F3 emission on the frequency 156.800 Mc/s whenever such station is not being used for transmission on that frequency: Provided, That the Commission may exempt any coast station from compliance with this requirement if it considers that circumstances relative to the operation or location of the involved coast station are such as to render this requirement unreasonable or unnecessary for the purpose of this paragraph.

(d Each limited coast station licensed (1) Make a daily check of the tower to transmit by telephony on one or more lights not later than one hour after local working frequencies in the band 156–162 sunset either by visual observation of the MC/s shall, during its hours of service, tower lights or by observation of an aumaintain an efficient watch for Class F3 tomatic indicator to insure that all such emission on 156.800 MC/S, whenever such lights are functioning properly as restation is not being used for transmis- quired; sion on that frequency: Provided, That (2) Report immediately by telephone the Commission may exempt any coast or telegraph to the nearest Airways Comstation from compliance with this re- munication Station or office of the Fed. quirement if it considers that circum- eral Aviation Agency any observed fail. stances relative to the operation or ure of any code and/or rotating beacon location of the involved coast station light(s) if such failure(s) is (are) Dos are such as to render this requirement corrected within 30 minutes after obunreasonable or unnecessary for the pur- servation thereof, regardless of the pose of this paragraph. In the event cause of such failure. Further notifica156.800 MC/s is being used for distress, tion by telephone or telegraph shall be urgency, or safety, such station shall given the above station or office immedikeep an additional watch on each as- ately upon resumption of the required signed working frequency except in the illumination; and case of duplex operation, where watch (3) Inspect at intervals of at least shall be kept on the associated ship once each 3 months all code and rotating frequency.

beacon light(s) and automatic lighting (e) With respect to those provisions of control devices to insure that such paragraphs (a), (b), (c), and (d) of this apparatus is functioning properly as resection pertaining to watch, the person quired. who keeps such watch shall, in each in- (b) The station licensee or his represtance, and at all times during the hours sentative shall make entries in the radio of service of the station, be a person who station log appropriate to the require. is authorized by the station licensee to ments of paragraph (a) of this section. operate, in accordance with applicable as follows: law and regulations, the appropriate (1) The date and time of each day radiotelephone transmitting apparatus that the tower lights are turned on and of the particular station.

off, it manually controlled; [28 PR. 13983, Dec. 21, 1963, as amended at (2) The time that the daily check of 29 PR. 11089, July 31, 1964; 33 PP. 10858, proper operation of the tower lights was July 31, 1968; 33 PP. 12674, Sept. 6, 1968] made, either by visual observation of the

tower lights or by observation of an $ 81.192 Maintenance tests.

automatic indicator; Stations subject to this part are au- (3) In the event of any observed fail. thorized to engage in a minimum amount ure of the tower lighting: of test transmissions when considered by (1) Nature of such failure; the station licensee to be necessary for (it) Date and time that the failure the proper maintenance of the station: was observed; Provided, That precautions shall be (11) Date, time, and nature of the ad. taken always to avoid, in so far as may justments, repairs, or replacements be possible, interference to other sta

made; tions: Further provided, That this test (iv) Entry showing the identification transmission shall conform to such test of the Airways Communication Station operating procedure as is prescribed or office of the Federal Aviation Agency elsewhere in this part for the particular which was notified of the failure of any class of station involved.

code and/or rotating beacon light(s) not $ 81.193 Inspection of antenna tower

corrected within 30 minutes after oblighting.

servation and an entry of the date and (a) The licensee of a station sub

time that such notice was given; ject to this part which has an an

() Date and time that notice us tenna or antenna supporting struc

given to the Airways Communication ture(s) required to be illuminated pur. Station or office of the Federal Aviation suant to the provisions of section 303 (Q) Agency that the required Mumination of the Communications Act shall: was resumed;

(4) Upon completion of the periodic inspection required by paragraph (a) (3) of this section:

(i) The date of the inspection and the condition of all required lights and associated lighting control devices, together with the measured voltage under normal load at a reference point in the lighting circuit and the computed voltage at each lamp socket.

(11) Any adjustments, replacements, or repairs made to insure compliance with the lighting requirements and the date such adjustments, replacements, or repairs were made. $ 81.194 Maintenance of station log.

(a) Each station subject to this part which is required, under the provisions of this part pertaining to the particular class of station, to keep a radio station log, shall, in addition, comply with the applicable provisions of the following paragraphs of this section; the station licensee and the licensed radio operator (when a licensed operator is required) in charge of the station shall be responsible for compliance with this section.

(b) The log shall be kept in an orderly manner, in useable form, and in such detail that the information required for the particular class of station concerned is readily available. Key letters or abbreviations may be used if their proper meaning or explanation is contained elsewhere in the same log.

(c) The station log or any portion thereof shall not be erased, obliterated, or wilfully destroyed within the period of retention required by $ 81.115. However, during this period any necessary correction may be made of such log but only by the person originating the entry and that person shall strike out the erroneous portion, initial the correction made, and indicate the date of correction. Subpart H-Coast Stations, Use of

Telegraphy SOURCE: The provisions of this Subpart

appear at 28 F.R. 13987, Dec. 21, 1963, unless otherwise noted. $ 81.201 Supplemental eligibility

quirements for public coast station

authorization. Subject to the basic eligibility requirements set forth in 8 81.23, an authorization for a public coast station may be granted to any person,

or State or local government subdivision, or any agency of the Federal Govern. ment which is subject to the provisions of section 301 of the Communications Act, provided the applicant is legally, financially, and technically qualified to render the proposed service, and the public interest, convenience or necessity would be served by a grant thereof. § 81.202 Points of communication.

(a) Subject to the conditions and lim, itations imposed by the terms of the particular coast station license or by the applicable provisions of this part with respect to the use of particular radiochannels, public coast stations using telegraphy are authorized to communicate:

(1) With any ship station or aircraft station operating in the maritime mobile service, for the transmission or reception of safety communication;

(2) With any land station for the purpose of facilitating the transmission or reception of safety communication to or from a ship or aircraft station;

(3) With public ship stations, Government ship stations, aeronautical public service stations on board aircraft, and Government aircraft stations, for the transmission or reception of public correspondence:

(1) When the mobile station uses telegraphy on a frequency assignment avail. able under the provisions of Part 83 of this chapter for use by ship stations for communication by means of telegraphy with public coast stations, or;

(ii) In respect to a United States Gov. ernment or foreign ship or aircraft station, when such mobile station uses telegraphy on a frequency assignment available in accordance with the International Radio Regulations for use by ship stations for communication by means of telegraphy with public coast stations.

(b) Upon application, a public coast station using telegraphy may be authorized to transmit press material, and meteorological and marine navigational information of benefit to mariners, additionally to designated fixed locations, whenever the same information is transmitted by such coast station simultaneously and primarily to ship stations: Provided, a sufficient need for such authorization is shown to exist.

(c) Each public coast station using telegraphy is authorized to communi


cate additionally with other public coast which is actually required to facilitate stations (includes Government stations the transmission or reception of shipopen to public correspondence) using to-sbore public correspondence or to entelegraphy when such communication is hance safety at ses; necessary to facilitate the disposal of (7) Neither harmful interference nor message traffic (public correspondence intolerable delay shall be caused to comor safety communication) destined to o munication between mobile stations and originated at mobile stations (public ship land stations or to communication bestations or aeronautical public service tween mobile stations stations aboard aircraft) subject to and

3 81.203 Supplemental eligibility re in accordance with the express condi

quirements for limited coast station tions hereinafter set forth in this para

authorization. graph: d) For the interchange of operating

(a) Subject to the statutory eligt signals, brief service messages or safety bility requirements set forth in 18123. communication;

an authorization for a limited coast (2) For the transmission or receipt of station using telegraphy may be granted message traffic destined to a mobile sta

to any person, or State or local gov. tion which, by reason of its known or re

ernment subdivision, of any agency ported geographic location at the time of the Federal Government which is sub can be communicated with more effec- ject to the provisions of section 301 of tively or more expeditiously by the coast the Communications Act: Provided, The station which receives such message applicant is: traffic for relay to the mobile station: (1) Regularly engaged in performing Provided, hoveder, That this procedure & service for one or more governmental shall not be used for normal routing of agencies; OT radio traffic, but only when the coast sta.

(2) A subsidiary corporation propos. tion initially concerned is unable to com- ing to furnish a non-profit radiocommunicate in an effective manner directly munication service to its parent corpowith such mobile station;

ration or to another subsidiary of the (3) For the transmission or receipt of

same parent where the party to be served message traffic, which originated at &

is regulariy engaged in performing a mobile station, by a public coast station service for one or more governmental in the Great Lakes region exclusively. agencies; or when the use of available point-to-point

(3) A non-profit corporation of asso communication facilities Tould unduly ciation, organized for the purpose of fu. delay the delivery of such message traffic

nishing a maritime mobile service sciely to the addressee(s);

to persons who are regulazly engaged in 14) Such communication as is per

performing a service for one or more missible under subparagraphs (2) and

governmental agencies. (3) of this paragraph shall be conducted (b) Each appication for station 30only in exceptional circumstances and

thorization for a limited coas: sia 300 with discretion, without incurring addi

shall be accompanied by a ritter statetional charges: Provided, Such utiliza

meni I. detai: sufficient to indicate tion of radiotelegraphy shall not in any

clearly the applicant's eligibisty unde Tay replace oz be used in lieu of point

paragraph (a) of this section to-point communication facilities which $81.204 Points of communication of are available for the forwarding of mes- limited coast stations. sage traffic to and from the particular (a) Limited coast stations using teles. coast stations involved.

raphy are authorized to communicate (5) Oniy radio-channels authorized normaly sith the categories of ship for working with ship stations (and used stations designated herewith, subject primarily for that purpose) shall be em- to the conditions and limitations in. ployed for this communication between posed by the terms of their particular coast stations and, in so far as may be station Ecenses or by the applicable practicable, only authorized frequencies provisions of this part with respect within the band 415 ke/s to 5000 ke's to the use of particular radio-channels: shall be used;

(1) Any ship station using telegraphy 16. All commnications engaged in on the assigned frequency 500 ke s; under the protsons of this paragraph (2) Specified limited ship stations shall be confined exclusively to that licensed by the Commission and eng

telegraphy on a frequency assignment minimize interference between stations: designated for this purpose;

Provided further, That frequencies be(3) Specified public ship stations low 150 kc/s are assignable to Class I licensed by the Commission and using coast stations only; frequencies above telegraphy on a frequency assignment 5000 kc/S are assignable primarily to designated for this purpose.

Class I coast stations, and secondarily to (b) With respect to the terms of para- Class II coast stations serving inland graph (a) (2) and (3) of this section, the waters of the United States (including specific ship stations with which a lim- the Great Lakes) subject to showing of ited coast station is authorized to com- need therefor and on condition that municate shall be designated appropri- interference shall not be caused to any ately in the license of such coast station. Class I coast station: 8 81.205 Nature of service of limited

Frequencies (kc/8) coast stations.

North Atlantic: 112.85, 124.05, 130.35, (a) Limited coast stations using teleg

132.10, 134.55, 137.00, 143.00,1 146.80, 147.50,

418, 436, 442, 460, 472, 476, 482, 500,- 2036, raphy shall:

2040.5, 2046.5, 2051, 2014, 2060, 4268, 4381, (1) Not be open to public correspond

4343, 4346, 4367, 6376, 6414.5, 6418, 6502, ence;

6505.5, 6512.5, 6519.5, 8502, 8514, 8586, 8610, (2) Not be used to render a communi- 8630, 8658, 8686, 12745.5, 12925.5, 12948, cations common carrier service;

12961.5, 12997.5, 13020, 18024.5, 18083.5, (3) Not be used for the transmission

18060.5, 16968.8, 16978.6, 16997.6, 17021.6, of press material or news items which

17099.6, 17242.4, 17271.2, 22407, 22485, 22508,

22521, 22599, 22617. are not required to serve a governmental

Central Atlantic: 428, 500, 2063, 4346, purpose;

6484.5, 8502, 12885.0. (4) Be used exclusively to serve gov- South Atlantic: 137.70, 143.00,1 434, 464, 472, ernmental purposes including the trans- 488, 500,• 2039, 2048.5, 2051, 2057, 4250, 4292, mission of safety communication.

6390, 6407.5, 6411, 8486, 8526, 8686. 8722, (b) In areas where adequate and

12952.5, 12970.5, 13011, 13078.5, 17093.6,

17160.8, 17170.4, 17199.2, 17256.8, 22431, 22503, appropriate weather and hydrographic

22569. information is transmitted by means of

North Pacific: 482, 488, 600,• 2058.5, 2063, telegraphy through the medium of one

4349, 6411, 8582, 8658, 12907.5, 12916.5, 17007.2, or more public coast stations or United 22539. States government stations, limited coast Central Pacific: 126.15, 143.00,· 147.85, 426, stations shall not duplicate that sery

436, 460, 476, 500,• 2037.5, 2045, 2061.5, 4247, ice. In all other respects, limited coast

4274, 4358, 6365.5, 6477.5, 6488, 6516, 8558,

8618, 8642, 8714, 12808.5, 12844.5, 13002, stations may transmit by means of teleg

13033.5, 13114.5, 17016.8, 17026.0, 17088.8, raphy such weather and hydrographic

17184.8, 22425, 22479, 22515, 22557. information as is required for the ships South Pacific: 418, 464, 482, 500,- 2049.5, with which they normally communicate. 2055.5, 4283, 4367, 6463.5, 6523, 8590, 8606, $ 81.206 Assignable frequencies.

8642, 12912, 12993, 13033.5, 13110, 17064.8,

17088.8, 17218.4, 22413, 22467. (a) Each of the specific frequencies in Gulf of Mexico: 143.00,5 416, 420, 434, 438, kilocycles hereinafter designated in this

478, 484, 500,- 2042, 2048, 2049.5, 2052.5, 2055.5, paragraph may be licensed as an as

2063, 4256, 4274, 4310, 4322, 6369, 6435.5, 6446,

6496, 8550, 8570, 8666, 8714, 8722, 8742, 12826.5, signed frequency for use by coast stations

12840, 13038, 13051.5, 13078.5, 13123.5, 17117.6, employing telegraphy and located in

17170.4, 17172.4, 17208.8, 17256.8, 22431, 22467. Puerto Rico, the State of Hawaii or with- 22569. in the indicated general portion of the Great Lakes: 482, 500,- 4316, 6474, 8534. seacoast area of the continental United Hawail: 484, 500,- 2052.5, 4295, 6407.5, 8542. States, excluding Alaska, subject to and 13029, 16978.4, 22509. in accordance with the provisions of par

Puerto Rico: 143.00,1 486, 500,- 2052.5, 4244 agraph (b) (1) of this section and Sub

8726, 13119. part E of this part, and upon the express (b) (1) In addition to the specific frecondition that interference shall not be quencies listed in paragraph (a) of this caused to any service or station which, section, other frequencies within bands in the discretion of the Commission, may between 10 kc/s and 27,500 kc/s shown in have priority on the frequency or fre- the Commission's Table of Frequency quencies involved: Provided, That the Allocations contained in $ 2.106 of this use of each of these frequencies may be restricted by the Commission to specific 1 Calling frequency. areas or locations in order to avoid or • Calling and distress frequency.

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