Sec. 80.322  Form of acknowledgement.

    (a) The acknowledgement of receipt of a radiotelegraph distress 
message is transmitted in the following form:
    (1) The distress signal SOS;
    (2) The call sign of the station sending the distress message, sent 
three times;
    (3) The word DE;
    (4) The call sign of the station acknowledging receipt, sent three 
times;
    (5) The group RRR;
    (6) The message signal SOS.
    (b) The acknowledgement of receipt of a radiotelephone distress 
message is transmitted in the following form:
    (1) The distress signal MAYDAY;
    (2) The call sign or other identification of the station sending the 
distress message, spoken three times;
    (3) The words THIS IS;
    (4) The call sign or other identification of the station 
acknowledging receipt, spoken three times;
    (5) The word RECEIVED;
    (6) The distress signal MAYDAY.