問題一覧
1
the frequency is constant
2
switch on the dead man alarm upon entering the control room
3
At the GMDSS operating position
4
It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration.
5
the upper side band (USB)
6
VTS
7
Cargo ships below 300 tons gross
8
adjust the noise threshold of the mariphone receiver
9
Satcom C
10
satellites
11
not allowed
12
adjust the threshold level for admitting signals and refusing noise
13
a calling station has an urgent message about the safety of a person
14
When vessel has replaced a required piece of GMDSS-related equipment but its performance has not been verified or logged
15
voyage data recorder
16
DELL TAH
17
Safety message
18
the curvature of the surface of the earth
19
a license must be issued
20
100
21
highest possible frequency that will be reflected by the ionosphere
22
5-10 watt
23
SART
24
harmful substances report
25
Reduce the engine load
26
Channel 70 DSC
27
Firing of a red star signal
28
TDM-signals are used
29
The name and owner of the ship, its position and destination
30
1 meter
31
to prevent contact with earth
32
solid material and all types of liquid waste
33
0.5 watt maximum
34
engine room deadman's alarm
35
To take part in public traffic
36
a properly insulated copper wire of sufficient diameter
37
Position of the aerial
38
a license must be issued
39
Solas and the international treaty of far messaging
40
because the volume adjustment of the speaker is too high
41
About 30-70 miles Line of sight
42
Position of the aerial
43
156.75 MHZ
44
70
45
Ability to make weak stations audible
46
is hardly relevant
47
Position in code from the International code of signals
48
time lapse of vibrations
49
Electric siren
50
the old mariphone must be checked out and the new one must be checked
51
156.8 MHz
52
2182 kHz
53
time lapse of vibrations
54
First an acknowledgement of a coastguard station must be received via the 8MHz
55
156.526 MHz
56
TDM-signals are used
57
independent of the frequency
58
with DSC use, first broadcast the carrier wave for at least three seconds.
59
noise in speech-breaks in an SSB-signal
60
walkie talkies
61
because the volume adjustment of the speaker is too high
62
apart from its position as indicated alsobe used in other places provided its call sign is at least transmitted once at the start and at the end of each transmission
63
A3 or F3 emissions
64
156.526 MHz
65
A3 or F3 emissions
66
intelligibility
67
156.8 MHz (channel 16)
68
16 and 2174.5
69
Transmitter and receiver to be tested with intervals of not more than one month
70
with DSC use, first broadcast the carrier wave for at least three seconds.
71
with varying incoming signals the variation in the out going signals is as small as possible
72
VHF-FM service
73
156.7 MHz
74
Locating signals are transmitted by survival craft VHF transceivers.
75
VDR
76
the possibility to keep radio-contact with two or more stations simultaneously
77
the height of the aerial
78
Once activated,these EPIRBs continuously send up a signal for use in identifying the vessel and for determining the position of the beacon
79
Position of the aerial
80
EGC
81
ARQ
82
While at sea the installation shall be maintained in a satisfactory condition
83
means of communication between the bridge and engine room
84
through hops between the ionized layers and the earth
85
8 or 12 MHz-band
86
156.65 MHz
87
Nature of distress in code from the International code of signals
88
The apparatus shall be capable of being operated on VHF channel 16
89
L-Band EPIRBs
90
a copper wire of sufficient diameter to minimize loses
91
Ability to make weak stations audible
92
coax cable connection
93
in distress
94
3 sets
95
intelligibility
96
reduce distortion of weak incoming signals
97
reduce distortion of weak incoming signals
98
excessive excess air
99
both amplitude and frequency of the carrier wave are variable
100
to regulate the transmitting power
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150問 • 1年前問題一覧
1
the frequency is constant
2
switch on the dead man alarm upon entering the control room
3
At the GMDSS operating position
4
It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration.
5
the upper side band (USB)
6
VTS
7
Cargo ships below 300 tons gross
8
adjust the noise threshold of the mariphone receiver
9
Satcom C
10
satellites
11
not allowed
12
adjust the threshold level for admitting signals and refusing noise
13
a calling station has an urgent message about the safety of a person
14
When vessel has replaced a required piece of GMDSS-related equipment but its performance has not been verified or logged
15
voyage data recorder
16
DELL TAH
17
Safety message
18
the curvature of the surface of the earth
19
a license must be issued
20
100
21
highest possible frequency that will be reflected by the ionosphere
22
5-10 watt
23
SART
24
harmful substances report
25
Reduce the engine load
26
Channel 70 DSC
27
Firing of a red star signal
28
TDM-signals are used
29
The name and owner of the ship, its position and destination
30
1 meter
31
to prevent contact with earth
32
solid material and all types of liquid waste
33
0.5 watt maximum
34
engine room deadman's alarm
35
To take part in public traffic
36
a properly insulated copper wire of sufficient diameter
37
Position of the aerial
38
a license must be issued
39
Solas and the international treaty of far messaging
40
because the volume adjustment of the speaker is too high
41
About 30-70 miles Line of sight
42
Position of the aerial
43
156.75 MHZ
44
70
45
Ability to make weak stations audible
46
is hardly relevant
47
Position in code from the International code of signals
48
time lapse of vibrations
49
Electric siren
50
the old mariphone must be checked out and the new one must be checked
51
156.8 MHz
52
2182 kHz
53
time lapse of vibrations
54
First an acknowledgement of a coastguard station must be received via the 8MHz
55
156.526 MHz
56
TDM-signals are used
57
independent of the frequency
58
with DSC use, first broadcast the carrier wave for at least three seconds.
59
noise in speech-breaks in an SSB-signal
60
walkie talkies
61
because the volume adjustment of the speaker is too high
62
apart from its position as indicated alsobe used in other places provided its call sign is at least transmitted once at the start and at the end of each transmission
63
A3 or F3 emissions
64
156.526 MHz
65
A3 or F3 emissions
66
intelligibility
67
156.8 MHz (channel 16)
68
16 and 2174.5
69
Transmitter and receiver to be tested with intervals of not more than one month
70
with DSC use, first broadcast the carrier wave for at least three seconds.
71
with varying incoming signals the variation in the out going signals is as small as possible
72
VHF-FM service
73
156.7 MHz
74
Locating signals are transmitted by survival craft VHF transceivers.
75
VDR
76
the possibility to keep radio-contact with two or more stations simultaneously
77
the height of the aerial
78
Once activated,these EPIRBs continuously send up a signal for use in identifying the vessel and for determining the position of the beacon
79
Position of the aerial
80
EGC
81
ARQ
82
While at sea the installation shall be maintained in a satisfactory condition
83
means of communication between the bridge and engine room
84
through hops between the ionized layers and the earth
85
8 or 12 MHz-band
86
156.65 MHz
87
Nature of distress in code from the International code of signals
88
The apparatus shall be capable of being operated on VHF channel 16
89
L-Band EPIRBs
90
a copper wire of sufficient diameter to minimize loses
91
Ability to make weak stations audible
92
coax cable connection
93
in distress
94
3 sets
95
intelligibility
96
reduce distortion of weak incoming signals
97
reduce distortion of weak incoming signals
98
excessive excess air
99
both amplitude and frequency of the carrier wave are variable
100
to regulate the transmitting power