Quiz on Maritime Communication Systems

What does GMDSS stand for?

• General Marine Distress and Safety System

• Global Marine Distress and Safety System

• General Maritime Distress and Safety System

• Global Maritime Distress and Safety System

Which frequency band is used for VHF DSC?

• 406 MHz

• 2182 kHz

• 156.525 MHz

• 2 MHz

What is the primary function of COSPAS-SARSAT?

• Television broadcasting

• Weather monitoring

• Commercial satellite communications

• Search and rescue operations

Which satellite system is known for two-way communication and distress alerting?

• GPS

• INMARSAT

• LEOSAR

• MEOSAR

What type of communication does IRIDIUM provide?

• One-way communication

• Satellite television

• Two-way communication

• Broadcast communication

Which of the following is NOT a component of GMDSS?

• NBDP

• EPIRB

• IRIDIUM

• VHF DSC

What is the frequency range for MF/HF DSC?

• 2182 kHz

• 156.525 MHz

• 2, 4, 6, 8, 12, and 16 MHz

• 406 MHz

Which satellite system is used for EPIRBs?

• COSPAS-SARSAT

• INMARSAT

• IRIDIUM

• GPS

What is the main function of the Mission Control Centres (MCC) in EPIRB activation?

• To monitor weather conditions

• To relay distress alert information to the correct MRCC

• To provide satellite communication between ship in distress and the nearest one

• To manage maritime traffic

What technology does MEOSAR use to calculate the location of a beacon?

• Time difference of arrival

• Frequency and time differences of arrival

• Earth antennas for triangulation

• GPS positioning