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and arranged alphabetically; the second part contains a
list of land stations arranged in the same manner; and
the third part contains tables of land line and cable
charges from coast radio stations to inland and various
other points. In computing the total word rate applica-
ble to a radiogram from a ship station to an inland point

the three rates must be added. The rates in
the international list are stated in francs. For approxi-
mate purposes 1 franc equals 20 cents and 5 centimes
equals 1 cent. Supplements to the international list
will be issued monthly, and will contain new stations
and tables of alterations.

199. The International Alphabetical List of Call International Letters (stations of the world) is also issued by the international bureau at Berne, and supplements will be issued monthly.

200. Neither the international list proper nor the supplements will contain a list of amateur stations.

201. Inquiries as to the subscription price of these lists Subscriptions should be made direct to the Berne bureau, at the address list. given above. (See par. 196.) Remittances to Berne should be made by international postal money order.

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call-letter list.

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202. Stations equipped to receive only do not require Receiving stalicenses.

203. Operators of receiving stations do not require licenses, but all persons are required to maintain secrecy in regard to messages, as provided in the act of August 13, 1912, nineteenth regulation of section 4.

204. Distances under the radio laws are computed in Distances. nautical miles,

205. No fees are charged for any operator or station Fees. license.

206. Licensed stations must be operated by or under Licenses. the direct supervision of properly licensed operators.

207. Amateur stations within 5 miles of naval or mili-
tary stations need not have been in actual opertion on or
before August 13, 1912, to obtain a license for a restricted
amateur station,
208. The master of a vessel shall have the right to cen-

sor all messages addressed to or transmitted by a radio
telegraph station on board his vessel, but such master
shall not divulge to any person (other than the properly
authorized officials of the Government, or a competent
legal tribunal) or make any use whatever of any message
coming to his knowledge through the exercise of such cen-
sorship, nor shall the master or any operator divulge to
any person (other than the properly authorized officials
of the Government, or a competent legal tribunal) or
make any use whatever of any message (other than a
message of distress) coming to his knowledge and not
intended for the said station.



Superfluous sig. nals.

209. The transmission of superfluous signals by any ship or coast station is absolutely prohibited; trials and practices are forbidden except under such circumstances as to preclude the possibility of interference with other stations.

210. No person shall transmit or make a signal containing profane or obscene words or language.

211. Additional or amendatory regulations will be issued from time to time as they may appear necessary.

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191... This is to certify that I have to-day examined the apparatus for radio communication on the S. S. of which

is master, about to leave this port for

and I have found the same efficient and in good working order, as prescribed by the act of June 24, 1910, as amended by the act of July 23, 1912.


Radio Inspector. (Or)

Customs Inspector.

APPENDIX B.--Radio Service Form 753.



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The radio equipment must be in charge of two or more persons skilled in the use of such apparatus, one or the other of whom shall be on duty at all times while the vessel is being navigated. Such equipment, operators, the regulation of their wa.ches, and the transmission and receipt of messages, except as may be regulated by law or international agreement, shall be under the control of the master, in the case of a vessel of the United States; and every willful failure on the part of the master to enforce at sea the provisions of this paragraph

as to equipment, operators, and watches shall subject him to a penalty of one hundred dol. lars." (Act of July 23, 19.2.)


191... This is to certify that I have to-day examined the apparatus for radio communication on the S. S.

of which I am master, about to leave this port for

and I have found the same efficient and in good working order, as prescribed by the act of June 24, 1910, as amended by the act of July 23, 1912.








Pursuant to the act to regulate radio communication, approved August 13, 1912,

a citizen of the State of

a company incorporated under the laws of the State of

having applied therefor, is hereby granted by the Secretary of Commerce for a period of on and subject to the restrictions and conditions hereinafter stated and revocable for sending until all signals and radiograms relating thereto are completed.

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cause by him, this License to use or operate the apparatus for radio communication
(identified in the schedule hereinafter) located in the State of
city or town of

for the purpose of transmitting to and receiving from ship stations and other land stations general pụblic correspondence, Government and service correspondence, and distress signals and messages, at rates of compengation not in excess of those fixed by the international agreement to which the Government of the United States has adhered, which have been submitted to and approved by the Secretary of Commerce, as included in the schedule hereinafter.

2. The use or operation of apparatus for radio communication pursuant to this License shall be subject also to the articles and regulations established by the International Radiotelegraphic Convention, ratified by the Senate of the United States and caused to be made public by the President “to the end that the same and every article and clause thereof may be observed and fulfilled with good faith by the United States and the citizens thereof,” and shall be subject also to such regulations as may be established from time to time by authority of subsequent acts and treaties of the United States.

3. The authority conferred by this License is subject to the provisions of the act of February 4, 1887, entitled "An Act to regulate commerce, as amended by the act of June 18, 1910, so far as the Licensee may be within the operation of said act, and except as provided in the act of August 13, 1912, or in the International Radiotelegraphic Convention and regulations made part thereof, the station shall transmit all messages offered by those who tender lawful rates on equal terms without discrimination, whether as regards rates, order of transmission, or otherwise.

4. The licensee shall render to the Secretary of Commerce such accounts as the Secretary of Commerce shall direct in respect of all charges due or payable under the International Radiotelegraphic Convention in respect of messages exchanged between the station hereby licensed and other stations and shall pay to the Secretary of Commerce, at such times and in such manner as the Secretary of Commerce shall direct, all sums which shall be due from the Licensee under such accounts.

5. The apparatus shall at all times while in use and operation be in charge or under the supervision of a person or persons licensed for that purpose by the Secretary of Commerce, and the operator of the apparatus shall not wilfully or maliciously interfere with any other radio communication.

6. The station shall give absolute priority to signals and radiograms relating to ships in distress; shall cease all sending on hearing a distress signal; and, except when engaged in answering or aiding the ship in distress, shall refrain from

7. The station during the hours of operation shall listen in at intervals of not less than 15 minutes and for a period of not less than 2 minutes with the receiver tuned to receive messages of 300 meters wave length.

8. The station shall use the minimum amount of energy necessary to carry out any communication desired, except in case of signals or radiograms relating to vessels in distress.

9. The station shall exchange radiograms with any other commercial station and with any ship station without distinction of the radio systems adopted by such stations.

10. The station shall not use a transmitter during the first 15 minutes of each hour, local standard time, except for distress signals, whenever the Secretary of Commerce by notice in writing shall require it to observe a division of time, pursuant to the Twelfth Regulation of the act of August 13, 1912.

11. The President of the United States in time of war or public peril or disaster is authorized by law to close the station and cause the removal therefrom of all radio apparatus or may authorize the use or control of the station or apparatus by any department of the Government upon just compensation to the owners.

12. The Secretary of Commerce and Collectors of Customs or other officers of the Government authorized by him may at all reasonable times enter upon the station for the purpose of inspecting and may inspect any apparatus for radio communication of such station and the operation and operators of such apparatus.

13. The apparatus shall not be altered or modified in respect of any of the particu: lars mentioned in the following schedule, except with the approval of the Secretary of Commerce.


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Geographical location: Latitude, N.

."; Longitude, W. Specific hours authorized during which the station must be open to service (local stand

ard time):

Power: Transformer input,

Normal day range in nautical miles with ships at sea,
Time and method, if any, of sending time signals and hydrographic and meteorological


minimum per radiogram
minimum per radiogram
minimum per radiogram


Call letters,
.; Coast charges: per word

Coast charges: per word

; Coast charges: per word Radiotelegraphic system employed: Characteristics of transmitting system:

Type of spark gap,
Approximate spark frequency,

Characteristics of receiving system:

Type of receiver,
Wave length of receiving system: From

meters to Antenna: Number of masts,

..; Height,



Type of aerial,

Wires: Number,
Essential dimensions,

Size and kind,


The normal sending and receiving wave length shall be .. meters, and no other wave length shall be used for general public correspondence with any foreign ship or foreign coast station, except for long-range public service or purposes other than general public correspondence.

The station shall at all times, except as provided in the seventh paragraph of this License, be ready to receive messages of such wave lengths as are required by the International Radiotelegraphic Convention; shall be prepared to use two sending wave lengths, one of 300 meters and one of 600 meters, as required by the International Radiotelegraphic Convention

in force; and tuning positions on the receiver shall bo plainly marked: Provided, That the Secretary of Commerce may, in his discretion, change the limit of wave length reservations to accord with any international agreement to which the United States is a party.

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