cac4f9b2__for_Morse_Code__CW____3_28_97_Q_Signals_for_Morse_Code__CW__Used_as_a_Question
[Q Signal] QTS [Used as a Reply] I will send my call sign for ___ minutes so that my frequency may be measured. [Used as a Question] 
Will you send your call sign for ___ minutes so that your frequency can be measured?