Amateur Radio

Common Pro-Signs
Voice Code Situation
Go ahead K Used after calling CQ, or at the end of a transmission, to indicate any
station is invited to transmit
Over AR Used after a call to a specific station, before the contact has been
KN Used at the end of any transmission when only the specific station
contacted is invited to answer
Stand-By or Wait AS A temporary interruption of the contact
Roger R Indicates a transmission has been received correctly and in full
Clear SK End of contact. SK is sent before the final identification
Leaving-The-Air or
CL Indicates that a station is going off the air, and will not listen or answer
any further calls. CL is sent after the final identification

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