VOICE
GO AHEAD- Used after calling CQ, or at the end of a transmission, to indicate any station is invited to transmit.
OVER - Used after a call to a specific station, before the contact has been established
STAND BY - A temporary interruption of the contact.
ROGER - Indicates a transmission has been received.
CLEAR - End of contact.
CLOSING - Indicates that a station is going off the air, and will not listen or answer any further calls.
CW
K - Used after calling CQ, or at the end of a transmission, to indicate any station is invited to transmit.
AR - Used after a call to a specific station, before the contact has been established.
KN - Used at end of any transmission when only the specific station contacted is invited to answer.
AS - A temporary interruption of the contact.
R - Indicates a transmission has been received.
SK - End of contact.
CLOSING - Indicates that a station is going off the air, and will not listen or answer any further calls.