Ship-to-ship distress alerting should be conducted by（）.

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.

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

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

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.

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.

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

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

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（）.