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CW Procedure Signals
by John Shannon, K3WWP

Perhaps the most important abbreviations in CW operation are the procedure signals. Learn to use them correctly. If the signal is overlined (Internet Explorer only), it means the two letters (AR AS BT SK for Netscape users) are to be run together as one character. For example AR means send it as di dah di dah dit.

SignalMeaning or UsageExample
CQA general call that indicates you are inviting anyone who is hearing you to answer you.CQ CQ CQ DE K3WWP K3WWP K
RI received your transmission perfectly. Do not send R if you didn't copy everything. Don't be redundant and say R, I COPIED YOU SOLID.KB3BFQ DE K3WWP R FB ON UR .........
BTBreak in text. Used as a separator between thoughts or a pause. Also something good to send when your mind goes blank or you are talking to someone in your shack, etc.WX IS CLDY BT AGE HR IS ....
AREnd of message. Use when you are through sending info, and turning it over to the station you are working. Also used when answering a CQ.blah, blah, blah, hw? AR KB3BFQ DE K3WWP K. - or - To answer KB3BFQ's CQ, KB3BFQ DE K3WWP AR
SKSome sources list this as VA. Used like AR, but only for your very last transmissionTNX NICE CHAT 73 CUL GE SK KB3BFQ DE K3WWP K
BKAn invitation for the other station to break in immediately with an answer or comment. The other station may answer immediately after the BK is sent - do not say BK KB3BFQ DE K3WWP K just BK, then KB3BFQ will answer your question or comment.(K3WWP SAYS) WHAT IS UR RIG? BK - - - - (KB3BFQ ANSWERS) RIG HR IS .......
KGo ahead. Used to tell the station you are working you expect him to transmit now. Use after a CQ to invite someone to answer you. Do not use K after you answer someone's CQ since you don't know he is going to answer you, use AR.HW? AR KB3BFQ DE K3WWP K
KNGo ahead, specific station only. No breakers are currently welcome. Used same as K when you only want to talk to one other station. Never use after a CQ unless you are not wanting anyone to answer you.HW? AR KB3BFQ DE K3WWP KN
CLI am now shutting down my station completely. Use when you are completely done transmitting, and about to pull the big switch. This is a signal that you are not listening to any more calls.TNX NICE CHAT 73 CUL GE SK KB3BFQ DE K3WWP CL