Sixth. The distress call used shall be the international signal of distress: dot dot dot, dash dash dash, dot dot dot.
USE OF "BROAD INTERFERING WAVE" FOR DISTRESS SIGNALS.
Seventh. When sending distress signals, the transmitter of a station on shipboard may be tuned in such a manner as to create a maximum of interference with a maximum of radiation.
DISTANCE REQUIREMENT FOR DISTRESS SIGNALS.
Eighth. Every station on shipboard, wherever practicable, shall be prepared to send distress signals of the character specified in regulations fifth and sixth with sufficient power to enable them to be received by day over sea a distance of one hundred nautical miles by a shipboard station equipped with apparatus for both sending and receiving equal in all essential particulars to that of the station first mentioned.
FOR DISTRESS SIGNALS.
Ninth. All stations are required to give absolute priority to signals and radiograms relating to ships in distress; to cease all sending on hearing a distress signal; and, except when engaged in answering or aiding the ship in distress, to refrain from sending until all signals and radiograms relating thereto are completed.
REDUCED POWER FOR SHIPS NEAR A GOVERNMENT STATION.
Tenth. No station on shipboard, when within fifteen nautical miles of a naval or military station, shall use a transformer input exceeding one kilowatt, nor, when within five nautical miles of such a station, a transformer input exceeding one-half kilowatt, except for sending signals of distress, or signals or radiograms relating thereto.
INTERCOMMUNICATION.