»; STrAT. I MULTILATERAL -TELECOMIM'NICATIONS-OCT. 2 , 1947 (App. 7 RR) APPENDIX 7 Service Document Symbols (See article 20 and appendix 6) X station on board a warship or a military or naval aircraft E[ automatic alarm apparatus
station classified as situated in a region of heavy traffic (article 33) O by day e by night [ ] a ship which carries lifeboats equipped with radio ap- paratus; a number inside the brackets shows the number of such lifeboats A radio direction-finder on board a mobile station AL aeronautical radionavigation land station AM aeronautical radionavigation mobile station BC broadcasting station CF coastal telephone station CO station open to official correspondence exclusively CP station open to public correspondence CR station open to limited public correspondence CT coastal telegraph station CV station open exclusively to the correspondence of a private agency D 30° directive antenna having maximum radiation in the direc- tion of 30° (expressed in degrees from the true north, from 0 to 360 clockwise) DR directive antenna provided with a reflector FA aeronautical station FAX aeronautical fixed station 2029
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