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GMDSS > VHF Channels, MMSI & Frequencies > Flashcards

VHF Channels, MMSI & Frequencies Flashcards

1
Q

Which channel is for distress & urgency?

A

Ch 16

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2
Q

Which channels is for onboard communications?

A

Ch 15, 17

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3
Q

Which channel is for bridge to bridge for safe navigation?

A

Ch 13

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4
Q

Which channel is for Direct selective calling?

A

Ch 70

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5
Q

Which channel is for Small ship’s safety?

A

Ch 67

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6
Q

Which channels is for UK Marinas?

A

Ch 80

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7
Q

Where do you find the right channel for port operations / pilots?

A

Admiralty List of Radio Signals Vol.6

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8
Q

Which channels are for ship to ship? (Inter-ship)

A

Ch 6, 8, 72, 77

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9
Q

What VHF channel and which frequencies for DSC? (Distress)

A

Ch 70
2187.5 kHz - MF
8414.5 kHz - HF
Paired 12 MHz
Paired 16 MHz

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10
Q

What VHF channel and which frequencies for R/T? (Distress)

A

Ch 16
2182 kHz - MF
8291 kHz - HF
Paired 12 MHz
Paired 16 MHz

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11
Q

Which frequency for TELEX? (Distress)

A

2174.5 kHZ - MF

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12
Q

What does Satellite short code 32 mean?

A

Medical advice

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13
Q

What does Satellite short code 38 mean?

A

Medical assistance

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14
Q

What does Satellite short code 39 mean?

A

Maritime assistance (For SOPEP etc)

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15
Q

What does Satellite short code 41 mean?

A

Weather oberservations

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16
Q

What does Satellite short code 42 mean?

A

Navigational warning

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17
Q

What does Satellite short code 43 mean?

A

AMVER or Ships position report

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18
Q

Frequency for Ship to Shore DSC routine calls?

A

2189.5 kHz

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19
Q

Frequency for Shore to Ship DSC routine calls?

A

2177 kHz

20
Q

Frequency for Inter-ship DSC calls? MF

A

2177 kHz

21
Q

Frequency for Ship to Ship/Shore routine working R/T simplex frequency?

A

2048 kHz

22
Q

Frequency for SART?

A

9-10 GHz

23
Q

Frequency for alerting EPIRB?

A

406 MHz

24
Q

What is the first three digits for SAR aircraft? MMSI

A

111

25
Q

What is the first three digits for AIS SART? MMSI

A

970

26
Q

What is the first digits for a Coast station / MRCC? MMSI

A

00

27
Q

What is the frequency for NAVTEX (local language broadcasts)?

A

490 KHz

28
Q

What is the frequency for NAVTEX (English broadcasts)?

A

518 KHz

29
Q

What is the frequency for NAVTEX (Tropical areas)?

A

4209.5 KHz

30
Q

What is the frequency for INMARSAT & EGC SafetyNet?

A

1.5/1.6 GHz

31
Q

Between which frequencies are VHF channels? (for maritime use)

A

156.00 - 174.00MHz

32
Q

How much KHz between each VHF channel?

A

25KHz

33
Q

What are the first digits for UK? MMSI

A

232

34
Q

What is the first digit for a group call? MMSI

A

0

35
Q

What is your Audio frequency band?

A

300-2700KHz

36
Q

What is the Low frequency band?

A

100-400KHz

37
Q

What is the Medium wave AM band?

A

500-1600KHz

38
Q

What is the Marine MF Band?

A

1.6-3MHz

39
Q

What is the HF Band?

A

8-17MHz

40
Q

What is the VHF Band?

A

88-108MHz

41
Q

What is the Marine VHF Band?

A

156-174MHz

42
Q

What is DC?

A

0Hz

43
Q

What is AC?

A

50Hz

44
Q

What is the end of the Audio frequency Band?

A

19KHz

45
Q

What number does your Sat-C Id start with?

A

4

46
Q

How do you end a Sat-C message?

A

nnnn

GMDSS (8 decks)

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