The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.

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.

The advantage of geostationary satellites is（）.

SOLAS ships shall be equipped with（）.

We consider（）send a helicopter with medical facilities to the distress area.

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

International Navtex service means the coordinated broadcast and automatic reception on（）khz of maritime safety information by narrow-band direct-printing telegraphy using English language.

Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）

On-scene communications will normally take place between（）.

The frequency（）the safety message will be transmitted shall be included in DSC safety call.