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Subel. E
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42 questions
B
36 questions
C
30 questions
D
48 questions
E
60 questions
F
36 questions
G
48 questions
6 questions
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Subelement E
Survival Craft Equip & S.A.R.:
Section 30
EPIRB System Structure and Operation:
30E1
Which is not a function of a satellite under COSPAS-SARSAT using satellite EPIRBs?
A.
Relayed satellite message includes the EPIRB ID number which provides a reference for retrieval of vessel information from the shore database.
B.
Doppler shift of EPIRB signal is measured and the EPIRB's position is calculated.
C.
Information received from EPIRBs is time-tagged and transmitted to any Local User Terminal in the satellite's view.
Correct Answer
D.
After the EPIRB's position is calculated
using
the Doppler shift COSPAS-SARSAT satellites provide follow-on
SAR
communications
.
30E1
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30E2
Which of the following satellite systems is of particular & dedicated importance to search and rescue missions under GMDSS?
Correct Answer
A.
COSPAS/SARSAT
B.
Inmarsat
C.
GPS
D.
Iridium
30E2
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30E3
Which of the following statements concerning COSPAS-SARSAT is false?
A.
406 MHz EPIRBs are units that are used as alerting devices.
Correct Answer
B.
Doppler frequency measurements
provide
more
precise
locations than
GPIRB
signals
.
C.
The Doppler frequency measurement concept is used to determine the EPIRB's location.
D.
Satellites in a low-earth polar orbit detect EPIRB beacons on 406 MHz and relay the information to a Local User Terminal (LUT).
30E3
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30E4
Which of the following statements concerning COSPAS-SARSAT is false?
A.
EPIRBs, ELTs, and PLBs use the system primarily for Distress alerting.
B.
These satellites monitor 406 MHz for EPIRB signals.
Correct Answer
C.
After
initiating
a
call
request
and
selecting
the
LES
, these satellites
may
be used for
commercial
messages
.
D.
These satellites use Doppler shift measurement to determine the location of the beacons.
30E4
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30E5
Which of the following statements concerning the EPIRB system is true?
A.
GOES weather satellites will provide alerting with complete worldwide coverage.
B.
COSPAS-SARSAT satellites always provides an alert and position report within 10 minutes of reception.
Correct Answer
C.
The
Inmarsat
system will
not
provide alerts and position report for
406
MHz
EPIRBs
equipped
with GPS
receivers
.
D.
The GPS satellite system will relay an alert and position report within 20 minutes of reception.
30E5
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30E6
Which of the following statements concerning satellite EPIRBs is true?
A.
The coded EPIRB signal identifies the nature of the Distress situation.
B.
The coded EPIRB signal only identifies the vessel's name and port of registry.
C.
If the GMDSS Radio Operator does not program the EPIRB, it will transmit default information such as the follow-on communications frequency and mode.
Correct Answer
D.
Once
activated
, these EPIRBs transmit a signal for
use
in identifying the vessel and for
determining
the
position
of the
beacon
.
30E6
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