63 STAT.] MULTILATERAL-TELECOMMIUNICATIONS-OCT. 2 , 1947 (Chapter XI, art. 24 RR) (540450) and professional qualifications enumerated below (see also 511): 540 a) Knowledge of the elementary principles of radio- telephony; 541 b) Detailed knowledge of the practical operation and adjustment of radiotelephone apparatus; 542 c) Ability to send correctly and to receive correctly by telephone; 543 d) Detailed knowledge of the Regulations applying to radiotelephone communications and specifical- ly of that part of those Regulations relating to the safety of life. 544 § 14. (1) The restricted radiotelephone operator's certificate is issued to candidates who have given proof of the knowledge and professional qualifications enumerated below: 545 a) Practical knowledge of radiotelephone operation and procedure; 546 b) Ability to send correctly and to receive correctly by telephone; 547 c) General knowledge of the Regulations applying to radiotelephone communications and specifical- ly of that part of those Regulations relating to the safety of life. 548 (2) For ship and aircraft radiotelephone stations where the power in the antenna of the unmodulated carrier wave does not exceed 50 watts, each administration may itself fix the conditions for obtaining a restricted radiotelephone oper- ator's certificate. 549 § 15. A radiotelephone operator's certificate must show whether it is a general certificate or a restricted certificate and in the latter case if it has been issued in conformity with the provisions of 548. 550 § 16. In order to meet special needs and on condition that international services are not interfered with, special agree- 1809
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