The rescue coordination center may（）on stations which interfere with traffic.

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

By using（）system a ship can send a distress message and know with certainty it will be received.

The advantage of geostationary satellites is（）.

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

Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.

Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.

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.

All coast radio stations（）DSC installed for VHF and HF.

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