7-A-062: INMARSAT: General System Operations
7-62I1:
What is the primary function of an NCS?
To monitor and control communications through the Inmarsat satellite for which it is responsible.
To provide direct communications between the Inmarsat station placing a call and the station receiving the call.
To provide multi-mode communications between the Inmarsat station placing a call and the coast radio station that will deliver it.
To determine which satellite is best suited to provide communications between the Inmarsat station placing a call and the station receiving the call.
7-62I2:
What is the primary function of a CES?
To provide direct communications between the Inmarsat station placing a call and the station receiving the call.
To monitor and control communications through the Inmarsat satellite for which it is responsible.
To provide multi-mode communications between the Inmarsat station placing a call and the coast radio station that will deliver it.
To determine which satellite is best suited to provide communications between the Inmarsat station placing a call and the station receiving the call.
7-62I3:
Messages are transmitted by the CES according to what criteria?
Priority, e.g. Distress, Urgency, Safety and Routine.
First In, First Out
Last In, First Out
Serial Number
7-62I4:
How is maximum coverage provided by satellites in the maritime satellite service?
Four satellites in geo-stationary orbit approximately 22,184 miles above the equator.
Four satellites in polar orbit.
Four satellites in geo-stationary orbit for each Inmarsat Service (A, B, C and M).
Through coordinated use of COSPAS-SARSAT satellites.
7-62I5:
What is meant by the characters GA+ on an Inmarsat terminal?
Go ahead
General Address (to all stations)
The instruction to "give address"
None of these
7-62I6:
What is the purpose of a CODEC?
To digitize voice signals for transmission and convert digital signals to voice signals for reception.
Noise and echo-canceling used in TELEX operation.
To enable Distress communications.
To enable data communications.
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Color key:
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● = Unseen
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● = Weak
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● = Review
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● = Learned
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● = Incorrect answer
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