f:( STAT. I MIILTI A'I'EItAL-TELEC( )o1MNI('ATI(NS-O()CT . 19)47 (Chapter XIV, art. 37 RR) (906-913) 906 (3) For the entire duration of distress traffic, it is forbidden for all stations which are aware of this traffic and which are not taking part in it: 907 a) to transmit on the frequencies on which the distress traffic is taking place; 908 b) to use class B emissions. 909 (4) A station of the mobile service which, while fol- lowing distress traffic, is able to continue its normal service, may do so when the distress traffic is well established and on condition that it observes the provisions of 906, 907 and 908 and does not interfere with the distress traffic. 910 § 25. A land station receiving a distress message must without delay take the necessary action to advise the authori- ties participating in the operation of rescue facilities. 911 § 26. (1) When distress traffic has ceased or when silence is no longer necessary, a station which has controlled such traffic transmits on the distress frequency and if necessary on the frequency used for distress traffic, a message addressed "to all stations" indicating that the distress traffic has ceased. 912 (2) This message takes the following form: - distress signal; - call "to all stations" CQ, (three times); - the word DE; - call sign of the station sending the message (once); - time of handing in of the message; - name and call sign of the mobile station which was in distress; - service abbreviation QUM. Section VII. Acknowledgment of Receipt of a Distress Message 913 § 27. The acknowledgment of receipt of a distress mes- sage is given in the following form: - call sign of the mobile station in distress (three times); 1911
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