63 STAT.] IMILTILATERAL-TELECOMMUNICATIONS-OCT. 2 , 1947 (Chapter IIL art. 8, 9 RR) (21-7). urgency signals transmitted on 500 kc/s is allowed. 241§2. In Regions 1 and 3, in the band 325 - 345 kc/s, no class of emission capable of rendering inoperative distress, safety or urgency signals transmitted on 333 kc/s is allowed. ARTICLE 9 Special Rules Relating to Particular Servies Section L Broadcasting Service 242§1. General. 243 (1) In principle, the power of broadcasting stations which employ frequencies below 5 060 kc/s must not exceed (except in the band 3 900 - 4 000 kc/s) a value which per- mits of maintaining economically an effective national service of good quality within the limits of the country concerned. 244 (2) The use by the broadcasting service of the bands listed below is restricted to the Tropical Zone as defined in 252: 2300-2498 kc/s (Region 1) 2300-2495 kc/s (Regions 2 and 3) 3 200 - 3 400 kc/s (All Regions) 4750-4995 kc/s (All Regions) 5005-5060 kc/s (All Regions) 245 §2. Broadcasting in the European Area." 246 (1) So far as broadcasting in the European Area is concerned, the following restrictions are accepted in the appli- cation of the principle stated in 88. These may be annulled or modified by arrangement among the countries of the European Area. 247 (2) In the absence of previous arrangements among the 245.1 " See 107 for the definition of the European Area. 1701
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