cac4f9b2__for_Morse_Code__CW____3_28_97_Q_Signals_for_Morse_Code__CW__Used_as_a_Question
[Q Signal] QSU [Used as a Reply] Send or reply on this frequency ? (on ...khz (or ...Mhz)). [Used as a Question] 
Shall I send or reply on this frequency ( or on ...khz (or ...Mhz))?
Q SIgnals for Morse Code (CW) - 3/28/97
Used as a Question