Page:United States Statutes at Large Volume 63 Part 2.djvu/552

 63 STAT.] MULTILATERAL-TELECOMMUNICATIONS-OCT. 2, 1947 (Chapter XIII art. 30, 31 RR) (69-707) 699 (2) When the name and address of the administration or private operating agency controlling a mobile station are not given in the list of stations or are no longer in agree- ment with the particulars given therein, it is the duty of the mobile station to furnish, as a matter of regular procedure, to the land station to which it transmits traffic, all the neces- sary information in this respect, using for this purpose the appropriate service abbreviations. 700 § 7. (1) The land station may, by means of the abbrevia- tion PTR, ask the mobile station to furnish it with the follow- ing information: 701 a) approximate distance in nautical miles and bear- ing in relation to the land station, position in latitude and longitude (Greenwich), course and speed; 702 b) next place of call. 703 (2) The information referred to in 700 is furnished on the authority of the master or the person responsible for the vehicle carrying the mobile station. ARTICLE 31 General Call "To All Stations" 704 §1. Two types of calling signal "To all stations" are recognized: 705 a) Call CQ followed by the letter K-(see 707 and 708); 706 b) Call CQ not followed by the letter K (see 709). 707 §2. Stations desiring to enter into communication with stations of the mobile service, without, however, knowing the names of any such stations within their range of action, may use the enquiry signal CQ, in place of the call sign of the station called in the calling formula, the call being followed by the letter K (general call to all stations in the mobile service with request for reply). 1849

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