54 STAT.] MULTILATETERATELECOMMUNICATION-APR . 8 , 1938 1645 5th. A replying: Hello B, A replying, exact, exact, cut off. 6th. A then cuts off the communication and the two stations resume their normal listening. Remark: At the beginning of a communication, the calling formula shall be pronounced twice, both by the calling station and the station called. When the communication is established, it shall be pronounced once only. §2. Whenever the spelling of call letters, service abbreviations, and words is necessary, the following table shall be used: Figure to be Letter to be Letter to be transmitted I transmitted Word to be used transmitted Word to be used 1 A Amsterdam 0 Oslo 2 B Baltimore P Paris 3 C Casablanca Q Quebec 4 D Danemark R Roma 5 E Edison S Santiago 6 F Florida T Tripoli 7 G Gallipoli U Upsala 8 H Havana V Valencia 9 I Italia W Washington 0 J Jerusalem X Xantippe Comma K Kilogramme Y Yokohama Fraction bar L Liverpool Z Zurich Separating signal M Madagascar Period N New York §3. When the receiving station is certain that it has received the radiotelegram correctly, the repetition provided for in item 4 of §1 shall not be necessary except for a radiotelegram with collation. If repeti- tion is waived, station B shall acknowledge receipt of the radiotelegram transmitted in the following manner: Hello A, B replies, your radiotelegram well received, over. APPENDIX 15 Procedure to Obtain Radio Direction-Finding Bearings (See article 32) Ante, p. I6. I. General Instructions A. Before calling one or more radio direction-finding stations, the mobile station, in order to request its bearing, must refer to the nomenclature for: 1. The call signals of the stations to be called to obtain the radio direction-finding bearings desired. 2. The wave on which the radio direction-finding stations watch, and the wave or waves on which they take bearings. 3. The radio direction-finding stations which, by means of special wire connections, may be grouped with the radio direction-finding station to be called. All transmission of figures is begun and ended by the words "in figures" repeated twice.
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