Page:United States Statutes at Large Volume 54 Part 2.djvu/221

 54 STAT.] MULTILATERAL-TELECOMMUNICATION-APR. 8, 1938 '1441 ALLOCATION OF FREQUENCY BANDS BETWEEN 10 AND 200,000 Kc (30,000 AND 1.5 M)-Continued Services Regional allocations \-m .,. - o.UJ (a) Fixed (b) Maritime mobile, Al and A2 only 1,630-1,670 (184.0- 179.6) Calling- and distress- wave for (K) the mari- time mo- bile serv- ices (A3 only) 1,670-1,715 (179.6 -174 .9) Mobile except aeronautical (A3 only) 1,715-1,925 (174.9 -155.8) (a) Amateur (b) Fixed (c) Maritime mobile 1,925-2,000 (155.8-150) (a) Amateur (b) Maritime mobile (A3 only) European region ,500-1,560 (200-192.3) Broadcast- ing (17) ,560-1,600 (192.3 -187.5) Mobile ex- cept aero- nautical ('9) 600-1,630 (1Qf7 r-14 n) [111 ] It is necessaryfor thefrequencies of the carrier waves ofbroadcasting stations to keep a separation of 5 ko at least, from the upper limit of the allocated band. [112] 1 The frequency of 1,680 ko (181.8 m) shall be both a calling-wave and the distress-wave for the mobile service of radiotelephony with low-power ship stations. The use of this wave shall be regulated by the provisions of article 31. [113] "As a general rule, this frequency band shall be reserved for the telephone service with low-power ship stations. The countries whose ships do not use this type of communication will avoid the use of telegraphy in this band in regions adjacent to those where this telephone service is operated. [114] 0 No traffic can be carried onin the band of 1,630-1,670 ke (184.0 -179.6 m). [115] a Within Europe, the frequency bands of 1,560 -1 ,630 kc and of 1,670-1,715 kc (192.3 -184 .0 and179.6- 174.9 m) may be used by the short-distance fixed services, provided that they will not interfere with the mobile services. [116] Note.-A European conference, which shalltake place before the going into effect of these Regulations, may decide, as an exception, to annex to its protocol certain special derogations upon which it may decide in the regional bands and which it may deem necessary to show therein. Such derogations will be added to those provided for in the notes relating to the preceding table. 1,715-2, 000 174. 9 -150 - ., Other regions (a) Fixed (b) Mobile (c) Broad- casting (a) Fixed (b) Mobile (a) Amateur b) Fixed (c) Mobile

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