Every lifeboat which is fitted with a fixed（）VHF 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.

Bridge-to-bridge communication means（）communications be...

单项选择题Bridge-to-bridge communication means（）communications between ships from the position from which the ships are normally navigated.

Every radio installation shall be clearly marked with t...

单项选择题Every radio installation shall be clearly marked with the（）, the ship station identity and other codes as applicable for the use of the radio installation.

A station in the mobile service the emissions of which ...

单项选择题A station in the mobile service the emissions of which are intended to facilitate search and rescue operations is（）.