54 STAT.] MULTILATERAL-TELECOMMUNICATION-APR. 8, 1938 1619 D 30° directive antenna having maximum radiation in the direction of 30° (expressed in degrees from the true north, from 0 to 360 clockwise) DR directive antenna provided with a reflector FA land station carrying on a service with aircraft stations FC land station carrying on a service with ship stations FR receiving station only, connected with the general network of telecommunication channels FS land station established solely for the safety of life FX station carrying on radio-communication service, between fixed points H 24 station having a continuous day and night service H 16 ship station of the second category carrying on 16 hours of service H8 ship station of the second category carrying on 8 hours of service HJ station open from sunrise to sunset (day service) HX station having no specific working hours CO station open to official correspondence exclusively CP station open to public correspondence CR station open to limited public correspondence CV station open exclusively to the correspondence of a private enterprise RC non-directional radiobeacon RD directional radiobeacon RG radio direction-finding station RT rotating radiobeacon RV variable directional radiobeacon APPENDIX 10 Documents With Which Mobile Stations Must Be Provided (See articles 3, 10, 12, 15, and appendix 8) Ante, pp. 1425,1479 1489, 1499, 10a. A. "Ship stations" on board ships compulsorily equipped with a radiotelegraphinstallation: 1. The radio license. 2. The operator(s)' certificate. 3. Register (radio service log) in which shall be mentioned, at the time when they occur, service incidents of all kinds, as well as the communications exchanged with land stations or mobile stations and relating to reports of disaster. If the regula- tions on board permit, the position of the vehicle shall be in- dicated once a day in the said register. 4. Alphabetical list of the call signals. 5. The nomenclature of coast and ship stations.
�
