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Used at the end of any transmission when only the specific station contacted is invited to answer. A temporary interruption of the contact. Indicates a transmission has been received correctly and in full. End of contact. SK is sent before the final identification. Over Stand by or wait Roger Clear Leaving the air ___ AR ___ KN ___ AS R ___ SK ___ CL Indicates that a station is going off the air, and will not listen for any further calls. CL is sent after the final identification. Page 53 ITU PHONETIC ALPHABET Word list adopted by the International Telecommunication Union.
Quick check on phone). Separation (break) between address and text; between text and signature. Correct; yes. Confirm. (Check me on this). Check. From; this is (preceding identification). R SIG __ SK TU WA WB Page 57 (Error in sending. ) (Handling instructions. ) Initial(s). Single letter(s) to follow. Repeat; I say again. ) Go ahead; over; reply expected. ) Negative; incorrect; no more. ) Number. ) Preamble (first part of message)....... Read back. ) Roger; point. ) Thank you. ) ...... Speak slower.
Page 33 ARRL MESSAGE PRECEDENCES EMERGENCY--Any message having life and death urgency to any person or group of persons, which is transmitted by Amateur Radio in the absence of regular commercial facilities. This includes official messages of welfare agencies during emergencies requesting supplies, materials or instructions vital to relief to stricken populace in emergency areas. On CW, RTTY, AMTOR and packet this designation will always be spelled out. When in doubt, do not use this designation.
Amateur Radio Emergency Communication Manual - ARRL