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Number 12. Which of the following describes full break-in CD? I'm sorry. Let me start this over. Which of the following describes full break-in CW operation QSK? Is it A, breaking stations send a Morse code pro sign BK? Is it B, automatic keyers instead of hand keys are used to send Morse code? Is it C, an operator must activate a manual send-receive switch before and after every transmission? Or is it D, transmitting stations can receive between code characters and elements? This is repeater station kilo kilo 7 November Quebec November all star node 6222 located in southern Washington.