- •Section-a: General Information and System Overview. Key Topic #2: Equipment Systems:
- •Section-a: General Information and System Overview. Key Topic #3: Sea Areas:
- •Section-a: General Information and System Overview. Key Topic #4: Functional Requirements:
- •Section-a: General Information and System Overview. Key Topic #5: Carriage Requirements:
- •Section-a: General Information and System Overview. Key Topic #6: Maintenance Options:
- •6A1 Which of the following statements concerning maintenance requirements is false?
- •Section-b: Principles of Communications: Key Topic #7: Radio Spectrum:
- •Section-b: Principles of Communications: Key Topic #8: Frequency Bands:
- •Section-b: Principles of Communications: Key Topic #9: Modulation, Demodulation, am, fm:
- •Section-b: Principles of Communications: Key Topic #10: Carrier and Sidebands:
- •Section-b: Principles of Communications: Key Topic #11: Channel Spacing:
- •Section-b: Principles of Communications: Key Topic #12: Antennas:
- •12B2 Why is an antenna tuner required for mf-hf transmissions?
- •Section-c: f.C.C. Rules & Regulations: Key Topic #17: Reserve Source of Energy:
- •Section-d: dsc & Alpha-Numeric id: Key Topic #21: Call Signs and selcaLs
- •Section-d: dsc & Alpha-Numeric id: Key Topic #22: mmsi- mid and Ship Station I.D. Numbers:
- •Section-d: dsc & Alpha-Numeric id: Key Topic #23: mmsi; Group and Coast Station I.D. Numbers:
- •Section-d: dsc & Alpha-Numeric id: Key Topic #24: Inmarsat Mobile Numbers for b & f-77 Terminals:
- •Section-d: dsc & Alpha-Numeric id: Key Topic #25: Inmarsat Mobile Numbers for “c” Terminals:
- •Section-d: dsc & Alpha-Numeric id: Key Topic #26: dsc Format and Info Sent:
- •Section-d: dsc & Alpha-Numeric id: Key Topic #27: dsc Operations:
- •Section-d: dsc & Alpha-Numeric id: Key Topic #28: dsc Frequencies:
- •Section-e: Distress, Urgency & Safety Communications: Key Topic #29: Sending a Distress Alert:
- •Section-e: Distress, Urgency & Safety Communications: Key Topic #30: Follow-On Voice Transmission:
- •Section-e: Distress, Urgency & Safety Communications: Key Topic #31: Response to a Distress Alert:
- •Section-e: Distress, Urgency & Safety Communications: Key Topic #32: Distress Relays:
- •Section-e: Distress, Urgency & Safety Communications: Key Topic #33: Action-False Distress Alert:
- •Section-e: Distress, Urgency & Safety Communications: Key Topic #34: Radio Silence – Resume Traffic:
- •Section-e: Distress, Urgency & Safety Communications: Key Topic #35: Urgency Traffic:
- •Section-e: Distress, Urgency & Safety Communications: Key Topic #36: Safety Traffic:
- •Section-e: Distress, Urgency & Safety Communications: Key Topic #37: Frequencies:
- •Section-e: Distress, Urgency & Safety Communications: Key Topic #38: Other Procedures:
- •Section-f: Survival Craft Equip & s.A.R.: Key Topic #39: sart- Activation and Survival Craft Operation:
- •Section-f: Survival Craft Equip & s.A.R.: Key Topic #40: sart – Radar Display – sar – ais sart:
- •Section-f: Survival Craft Equip & s.A.R.: Key Topic #41: sart: Testing and Battery Parameters:
- •Section-f: Survival Craft Equip & s.A.R.: Key Topic #42: epirb System Structure and Operation:
- •Section-f: Survival Craft Equip & s.A.R.: Key Topic #43: epirb Alerting and Features:
- •Section-f: Survival Craft Equip & s.A.R.: Key Topic #44: Homing and Locating Signals:
- •Section-f: Survival Craft Equip & s.A.R.: Key Topic #45: Survival Craft Transceivers:
- •Section-f: Survival Craft Equip & s.A.R.: Key Topic #46: On Scene Communications:
- •Section-f: Survival Craft Equip & s.A.R.: Key Topic #47: sar-mcc-rcc: Systems & Procedures-1:
- •Section-f: Survival Craft Equip & s.A.R.: Key Topic #48: sar-mcc-rcc: Systems & Procedures-2:
- •Section-g: vhf-dsc Equipment & Communications: Key Topic #49: vhf Controls, Power and Range:
- •Section-g: vhf-dsc Equipment & Communications: Key Topic #50: vhf Channel System:
- •Section-h: Maritime Safety Information (m.S.I.): Key Topic #51: Navtex-1: Operations:
- •Section-h: Maritime Safety Information (m.S.I.): Key Topic #52: Navtex-2: Programming:
- •Section-h: Maritime Safety Information (m.S.I.): Key Topic #53: Navtex-3: Message Format:
- •Section-h: Maritime Safety Information (m.S.I.): Key Topic #54: SafetyNettm -1: Operations:
- •Section-h: Maritime Safety Information (m.S.I.): Key Topic #55: SafetyNettm -2: Information:
- •Section-h: Maritime Safety Information (m.S.I.): Key Topic #56: Enhanced Group Calling (egc):
- •Section-h: Maritime Safety Information (m.S.I.): Key Topic #57: h.F. Msi:
- •Section-h: Maritime Safety Information (m.S.I.): Key Topic #58: navareAs:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #59: Sat-c, Power up, Self-Test, Controls & Lamps:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #60: Selecting an Inmarsat Ocean Region:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #61: Inmarsat Log-in & Log-out:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #62: Inmarsat General System Operations-1:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #63: Inmarsat General System Operations-2:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #64: Inmarsat-b or f77 Equipment and Operations:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #65: Inmarsat-c: Equipment and Operations-1:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #66: Inmarsat-c: Equipment and Operations-2:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #67: Compare and Differentiate “b” and “c” Terminals:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #68: Selecting l.E.S. And l.E.S. Id Numbers:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #69: Inmarsat-b and f77- Address, Dialing and Voice:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #70: Inmarsat-b - Address, Dialing and Telex:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #71: Inmarsat-c Address to Ship Telex:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #72: Address to Land Telex Terminal:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #73: Address to a fax Terminal:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #74: Address to Internet, sms or Special Addresses:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #75: Inmarsat Distress Communications:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #76: Satellite sar-mcc-rcc:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #77: egc:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #78: Equipment Faults and Maintenance-1:
- •Section-I: Inmarsat Equip. & Comms: Key Topic #79: Equipment Faults and Maintenance-2:
- •Section-j: mf-hf Equip. And Comms: Key Topic #80: mf-hf Panel Controls:
- •Section-j: mf-hf Equip. And Comms: Key Topic #81: mf-hf Frequency–Simplex, Duplex, Half-Duplex:
- •Section-j: mf-hf Equip. And Comms: Key Topic #82: mf-hf itu Channels:
- •Section-j: mf-hf Equip. And Comms: Key Topic #83: mf-hf Voice and Telex Channel Separation:
- •Section-j: mf-hf Equip. And Comms: Key Topic #84: mf-hf Modulation, Bandwidth and Emissions:
- •Section-j: mf-hf Equip. And Comms: Key Topic #85: mf-hf Voice Operations–Calling a Coast Station:
- •85J4 What is the correct procedure for calling a coast radio station using hf radiotelephone?
- •Section-j: mf-hf Equip. And Comms: Key Topic #86: mf-hf dsc Controller Call Programming:
- •Section-j: mf-hf Equip. And Comms: Key Topic #87: mf-hf sitor (nbdp) - Definitions:
- •Section-j: mf-hf Equip. And Comms: Key Topic #88: mf-hf sitor (nbdp) Technical Characteristics:
- •Section-j: mf-hf Equip. And Comms: Key Topic #89: mf-hf arq Operation – Calling a Coast Station:
- •Section-j: mf-hf Equip. And Comms: Key Topic #90: mf-hf arq Operation - Answerbacks:
- •Section-j: mf-hf Equip. And Comms: Key Topic #91: mf-hf arq Operation – op Codes & Procedures:
- •Section-j: mf-hf Equip. And Comms: Key Topic #92: mf-hf arq Operation–Technical Characteristics:
- •Section-j: mf-hf Equip. And Comms: Key Topic #93: mf-hf Addressing Modes:
- •Section-j: mf-hf Equip. And Comms: Key Topic #94: mf-hf fec Operation-1:
- •Section-j: mf-hf Equip. And Comms: Key Topic #95: mf-hf fec Operation-2:
- •Section-j: mf-hf Equip. And Comms: Key Topic #96: mf-hf Propagation-1; Day-Night-Winter-Summer:
- •Section-j: mf-hf Equip. And Comms: Key Topic #97: mf-hf Propagation-2; Day-Night-Winter-Summer:
- •Section-j: mf-hf Equip. And Comms: Key Topic #98: mf-hf dsc Controller Alert/Call Response:
- •98J3 What are potential dangers of automatic transceiver switching in response to a dsc call?
- •98J4 Which of these would not be a bad outcome of an Urgency dsc call to all vessels specifying an alternate telex frequency & emission that cause your transceiver to automatically switch?
- •Section-j: mf-hf Equip. And Comms: Key Topic #99: Batteries:
- •Section-j: mf-hf Equip. And Comms: Key Topic #100: mf-hf Equipment Faults and Testing:
Section-j: mf-hf Equip. And Comms: Key Topic #93: mf-hf Addressing Modes:
93J1 Which of the following keystrokes or characters is sent as part of ARQ communications to request a direct TELEX call to a shore-based location?
A. DIRTLX023123456+
B. MSG+
C. GA+?
D. ENTER
93J2 The DIRTLX command should be given to a coast station at what point in time?
A. Immediately following the automatic exchange of answerbacks.
B. After receipt of the Go Ahead indication following the automatic exchange of answerbacks.
C. After receipt of the Go Ahead indication followed by the automatic exchange of answerbacks.
D. Sent at the beginning of the message to request a direct TELEX connection.
93J3 Which automatic TELEX command should be sent by a ship station during SITOR (NBDP) operations to properly address a weather report to the national weather authority?
A. WX+ followed by the text of the report.
B. OBS+ then MSG+ to indicate weather report.
C. OBS+ and then send the weather report.
D. GA+? then OBS+ and then send the weather report.
93J4 Which of the following would be a valid automatic TELEX code and number for a request for a real-time TELEX connection to a shore-based TELEX terminal?
A. DIRTLX then waits for MSG+ to dial 023419645+.
B. DIRTLX23122445+.
C. DIRTLX followed by GA+? and the TELEX number.
D. DIRTLX023424998+.
93J5 When requesting a direct TELEX connection to a vessel's Inmarsat-B terminal, (i.e. making a SITOR (NBDP) call to an Inmarsat-B unit) the GMDSS operator must:
A. DIRTLX, 0, Ocean Area Code, TELEX number, +.
B. DIRTLX, 00, Ocean Area Code, TELEX number, +.
C. DIRTLX, 0, Country code, TELEX number, +.
D. DIRTLX, 00, Country code, TELEX number.
93J6 To correctly address a SITOR (NBDP) message and transmit it "live" to a shore-based office the GMDSS operator would dial which sequence:
A. DIRTLX0051440344+
B. DIRTLX051440344+
C. DIRTLX581440344+
D. DIRTLX05811500260+
Answers: 93J1 - A 93J2 - B 93J3 - C 93J4 - D 93J5 - A 93J6 - B
Section-j: mf-hf Equip. And Comms: Key Topic #94: mf-hf fec Operation-1:
94J1 Which of the following statements concerning SITOR (NBDP) communications is true?
A. Communication is established on the working channel and answerbacks are exchanged before FEC broadcasts can be received.
B. All of these answers are true.
C. Weather broadcasts cannot be made in FEC because sending each character twice would cause the broadcast to be prohibitively long.
D. Two-way communication with the coast radio station using FEC is not necessary to be able to receive the broadcasts.
94J2 Which of the following is true of SITOR (NBDP) Mode B (FEC), in the presence of static crashes.
A. FEC reduces the error rate by transmitting each character twice.
B. Data flow rate depends on signal propagation.
C. Idle characters are sent upon request.
D. Transmitter and receiver cannot synchronize.
94J3 Which of the following statements concerning SITOR (NBDP) communications is true?
A. FEC requests are first acknowledged by the vessel's transmitter before broadcasts can be received.
B. FEC mode broadcasts can be passively received without the transmitter being active.
C. Weather broadcasts are always made in ARQ mode to ensure reception.
D. ARQ mode communications can be passively received without the transmitter being active.
94J4 The sequence ARQ, FEC, SFEC best corresponds to which of the following sequences?
A. One-way communications to a single station, one-way communications to all stations, two-way communications.
B. One-way communications to all stations, two-way communications, one-way communications to a single station.
C. Two way communications, one-way communications to all stations, one-way communications to a single station.
D. Two way communications, One way communications to a single station, One way communications to all stations.
94J5 The sequence BFEC, SFEC, ARQ best corresponds to which of the following sequences?
A. One-way communications to a single station, one-way communications to all stations, two-way communications.
B. One-way communications to all stations, two way communications, one-way communications to a single station.
C. One-way communications to all stations, one-way communications to a single station, two way communications.
D. Two way communications, one-way communications to all stations, two-way communications.
94J6 Selective FEC communications (SFEC) are employed when:
A. Multiple stations without a group SELCAL must receive communications without using their transmitters (Radio Silence).
B. Multiple stations must receive communications by using their transmitters to achieve phasing.
C. An individual station must receive communications by using their transmitter to achieve phasing and block other stations from breaking in.
D. An individual station must receive communications without using any transmitters (Radio Silence).
Answers: 94J1 - D 94J2 - A 94J3 - B 94J4 - C 94J5 - C 94J6 - D