Every lifeboat which is fitted with a fixed two-way vhf radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.

Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.

Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.

As each MSI message will have a unique identity, the printing of messages already received correctly is（）.

Before GMDSS, if the radio officer on board is serious ill,（）.

Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.

At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.

Radio communication（）for many years and helps to save tens of thousands of lives.

（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.

In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.