What is the primary purpose of the GMDSS?
A. Environmental protection.
B. A common international communications system for all shipping.
C. Automate and improve emergency communications for the world’s shipping industry.
D. Effective and inexpensive communications.
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The GMDSS is a world-wide communication network combining ______ with ______.
A. satellite; terrestrial system
B. INMARSAT; COSPAS-SARSAT
C. SART; EPIRB
D. geo-stationary; polar-orbiting satellites
The GMDSS is composed of ______.
A. satellite and terrestrial communication systems
B. only navigation and alerting systems
C. just MSI system and locating system
D. SAR co-ordination system
The GMDSS must combine all Various subsystems, because ______.①they all have different limitations with respect to coverage; ②they all have different limitations in the technology they use; ③ different systems apply to different ships
A. ①②
B. ①③
C. ②③
D. ①②③
The GMDSS includes two sub-systems: satellite system and ______.
A. GPS system
B. NAVTEX system
C. terrestrial radio system
DSC system
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