Radio beacon can be activated（）in case of distress.

COSPAS-SARSAT is intended to be used for（）.

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

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

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

For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.

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.

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

Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.

SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.