AUXCOM Manual P 16794.32B
CHAPTER ONE STUDY OUESTIONS
1. In communications nomenclature, the band named "very-high frequency" covers what frequency range? 30 MHz to 300 MHz
2. Express 2.182 MHz in kilohertz.2182 kHz
3. What is the typical range of VHF-FM radio communications?25 miles
4. What is a most important characteristic of the VHF-FMfrequencies?
They are essentially line-of-sight frequencies.
5. What is the difference between Simplex and Duplexcircuits?
A Simplex circuit uses the same frequency for transmitting and receiving, therefore you can only do one at a time.
Duplex circuits use one frequency for transmitting and another for receiving (ie: Marine Operator channels).
6. Skip is most often found within what range offrequencies?
Medium and High Frequency band, especially 2-4 MHz.
7. What is the SSB Distress and Calling frequency?2182 kHz.
(PPT: What is the MF Distress and Calling Frequency?2182 kHz.)
8. What is the VHF-FM marine calling and Distressfrequency?Channel 16 (156.800 MHz)
9. The bridge tender will likely be listening on whatchannel?(Manual says ‘Bridge-to-bridge)
Channel 13 (156.650 MHz) (Ref. 1.H.3.)
10. After calling a commercial vessel on Channel 16, whatare some of the working channels you could switch to? 07, 10,11,18,19,79,80,08, 67, 77, 88
11. Why is Class D Citizens Band unreliable for boaters?
It does not provide for such things as a required radio watch, broadcast of emergency information or direct communication with the Coast Guard.
12. What is a radio repeater?
It is a transmitter/receiver site located at a high elevation which will receive signals on one frequency and retransmit them on another. It will allow wide area coverage from short range radios and, if so equipped, the capability for interconnection to data and telephone networks
13. List the three basic communications functions of themarine radiotelephone system in priority order. (PPT: List the 3 priority functions of the marine radiotelephone system in priority order.)
The safety function,The operational function, and The business function.
---- 1.14 – 1.16 not in PPT ----
14. What are the three major components of a radio station?
Power Source, Radio Equipment and Antenna
15. Lightning protection should be used with what typeantennas?All types at land stations.
16. What are some of the precautions that should be takenwhen erecting an antenna.
Include lightning protection, locate it away from power lines, make sure that if it falls it will not contact other electrical lines, avoid accidental contact with lethal conductors.
CHAPTER TWO STUDY OUESTIONS
1. A non-government radio station may only be operated inaccordance with the rules and regulations issued by whom? (Instructor Manual & PP versions: A radio station may not be operated except under and in accordance with a valid station authorization issued by whom?)
Federal Communications Commission.
2. All ship radiotelephone stations using the 2-30 MHzmarine band must maintain an efficient listening watch onwhich frequency? 2182 kHz (Ref. 2.D.1.a.)
3. An efficient listening watch is required on which VHFchannel and under what conditions?
Channel 16, or alternate Channel 9, for recreational vessels when the radio is turned on and not in use for other communications.
4. When a station does not respond to a call sent threetimes at intervals of two minutes, you are permitted tocall again after how many minutes have passed? 15 Minutes
5. What is the procedure to initiate a call on a ship'sradiotelephone?
LISTEN, then call on the calling channel.
Establish contact and move to an appropriate working channel.
6. Is it always necessary to establish contact on a callingchannel?
No, not if a working channel is monitored.
7. What is the PRIMARY use of intership frequencies?Safety communications
8. After two ship stations have established contact on anintership working frequency, FCC regulations limit themaximum duration of the communication to what period oftime?
Three minutes
9. All transmitter adjustments to marine radiotelephonetransmitters must be performed by or under the immediatesupervision of a person holding which class of license?
A General Radiotelephone License
10. The secrecy provision of the communications regulationsdoes not apply to what type of communications?
Distress communications
11. What are some of the violations which can cause licenserevocation or fines against the licensee or operator?
Obscene, indecent, profane, etc. language; Repeated violations of FCC regulations;
Using more power than authorized;Transmission of false distress messages.
12. What are desirable voice characteristics when speaking ona radio?
Be distinct, no monotone, etc.
13. Under what conditions are radio checks with the CoastGuard allowed on Channel 16?
They are forbidden
14. Use of VHF-FM Channel 16 is restricted to what type ofcommunications?
Distress, Safety and Calling.
15. Which SSB working frequency can be used in all areas?2638 kHz
---- 2.16 not in PPT ----
16. What is the VHF distress and calling frequency for theGMDSS?Channel 70, 156.525 MHz
CHAPTER THREE STUDY OUESTIONS
1. What should you do before calling a station?
Listen first. Make sure your transmission will not interfere with another conversation already in progress.
2. Are the calling procedures on the 2-30 MHz band the same ason the VHF marine band?
Yes, only the frequencies are different. The procedures remain the same.
3. At the end of your call to establish radio contact withanother vessel what proword should be used? OVER
4. When calling another station, what are the time limitationson the initial call and any additional calls?
Transmission limit of 30 seconds; may be sent three times at 2 minute intervals.
5. Who may conduct radio checks with the Coast Guard?
Only FCC representatives and qualified technicians.
6. Who may answer requests for a radio check?
The station to whom the request is directed.
CHAPTER FOUR STUDY OUESTIONS
1. Who has responsibility for issuing a distress call?
The person responsible for the unit in distress.
2. Name the three words, anyone of which may be used toprecede a broadcast to any and all vessels and stations? MAYDAY, PAN PAN, and SECURITY.
(PPT: Brief navigational instructions may be given on Channel 16 under what conditions?)
During a distress which you are handling.
3. You hear a distress broadcast and the nearby Coast Guardstation does not answer, what action should you take? You should acknowledge the call.
4. The vessel in distress or the station in control ofdistress communications may impose silence on any stationthat interferes by transmitting what? SEELONCE MAYDAY.
5. When a MAYDAY situation is in progress, any other stationwhich believes silence is essential transmits what? SEELONCE DISTRESS.
6. What is the urgency signal?PAN PAN spoken three times.
7. What precedes an announcement of a message to betransmitted concerning the safety of navigation? SECURITY spoken three times.
8. What is the priority order for distress, urgent andsafety messages?
MAYDAY (Distress), PAN PAN (Urgency), and SECURITY (Safety).
---- 4.9 not in PPT ----
9. What class EPIRB's transmit an identification and on whatfrequency?Category I & II
CHAPTER FIVE STUDY OUESTIONS.
1. Can an individual radio used on a vessel facility be accountedfor in any other facility? No.
2. What are the various types of Auxiliary Radio Facilities? Fixed land, land mobile, and RDF.
3. Can a portable radio qualify as a facility?Yes, if special conditions are met.
4. All operations on Coast Guard frequencies by Auxiliarists mustbe conducted in accordance with rules and procedurespromulgated by whom? The District Commander.
5. Vessel facility radios are considered as government stations under what circumstances?
When operated under orders
6. Can land mobile radio facilities engage in personal business ontheir facility radio frequencies?
No.
7. Under what conditions may fixed land, land mobile and directionfinding facilities be activated?
(1) On an ordered or scheduled mission.
(2) Required to handle valid DISTRESS traffic.
(3) Conducting technical tests to determine a facility's capability; i.e. facility inspection.
(4) Required to contact a Coast Guard unit to determine if Auxiliary assistance is required.
8. What training is required for an Auxiliarist to be able to usea vessel facility radio?
Qualification as CREWMAN or completion of AUXCOM and any additional district requiredtraining.
9. What are the requirements for VHF-FM RDF stations with respectto its location and capabilities? It must be near a patrol area and meet specific requirements.
10. How should LOP's from a direction finding facility beexchanged?
Via non-marine channels or landline.
11. Who can inspect radio equipped Auxiliary aircraft facilities?
An aircraft inspector and reported on Form CG-2736B.
12. What are the conditions under which CB radio may be utilized?
When no other method is available.
13. Under what circumstances may an Auxiliarist contact the FCCabout Auxiliary radio problems?
NoneAuxiliary FCC problems are referred to DVC-OT through the chain-of-command.
(PPT: Telling the FCC you are an Auxiliary member or your radio will be used for Auxiliary work can help in what manner?It won't; Confusion and delays will probably result.
14. Vessel and aircraft facilities must be capable of operating onwhich VHF-FM marine channels?
Channels 6, 16, 22A and a Group working channel.
---- 5.15 not in PPT ----
15. Communication with civil emergency services is preferred onwhat channels?21A, 23A, 83A
CHAPTER SIX STUDY OUESTIONS
1. Why is the knowledge of message types and formatsimportant for an Auxiliarist?
A knowledge of message types and formats is necessary in order to be able to prepare the proper type of message for a given situation.
---- 6.2 not in PPT ----
2. What are the three basic types of messages?Single Address, Multiple Address, General
(PPT: Communications concerning the actual movement of vessels and aircraft are what type of communications? OPERATIONAL communications.)
3. What is the key responsibility of a message originator?
Determining if a message is necessary.
4. What are the major parts of a message and their locationsin the message format?
Heading: Line 5-10; Text: Line 12
Manual says there are two major parts of the message.PPT adds ‘Ending’
---- 6.5 not in PPT ----
5. What separates the parts of a message?
BREAK
6. What are the various message precedences and theircorresponding abbreviations?
Z-Flash;O-immediate;P-Priority;R-Routine.
7. The entire Coast Guard communications organizationoperates on what time?
Coordinated Universal Time (UTC), previously Greenwich Mean Time (GMT)
8. What techniques should be utilized when using a microphone?
Listen before transmitting, Speak clearly and Distinctly, Avoid extremes of voice pitch, etc.
9. How should the distance 5000 yards be spoken?Fi-yiv Thow-zand Yards
(PPT: How are the various numerals spoken?
0 Zero1 Wun 2 Too3 Thuh-ree 4 Fo-wer
5 Fi-yiv6 Six7 Seven 8 Ate 9 Niner
(PPT: How should the speed 25 knots be spoken?
TWEN-TY FI-YIV KNOTS.
10. What is the proword to indicate that numerals follow?FIGURES.
11. What are the meanings of the prowords "ROGER" and "OUT"?
ROGER = I received your last transmission satisfactorily
OUT = End of transmission, no reply required.
12. What is the proword that indicates a reply is necessary?OVER
13. The proword "WILCO" signifies what?
I received your message. I understand it and will comply.
14. You are transmitting a message by radiotelephone andbefore you have said "OVER" or "OUT" you discover thatyou have made an error. What is the proper procedure tocorrect it?
Transmit the word CORRECTION, return to the last word or phrase sent correctly, make the correction and proceed with the rest of the message.
15. During the transmission of a message and prior to thetransmission of the proword "OVER" or "OUT" the messagemay be canceled by the use of what proword?
DISREGARD THIS TRANSMISSION.
16. What is the abbreviation for a Coast Guard Loran Station?CGLORSTA
17. Safety patrols usually require a minimum of two messages;what are they?
Start of patrol and end of patrol.(commences & ends)
18. Who determines the address of a message?
The originator determines the address and is the only one who may change the address.
----6.19 not in PPT ----
19. What publication will assist in communicating withforeign vessels?
CHAPTER SEVEN STUDY OUESTIONS
1. When operating as a government station, what is the minimum log requirement?
A bound ledger with all messages recorded therein.
2. What are the three sections of a log?
Log Section, Message File Section, and the Reference Section.
3. What are some suggested items to be kept in the reference file section?
Telephone numbers, SAR report forms, Rosters, etc.
4. When is an Auxiliary facility required to maintain a radio log?
All Auxiliary facilities are required to maintain a radio log.
----7.5 not in PPT ----
5. What are OP NOTES?
Operator Notes. These are notes such as “Safety Patrol” to remind the operator of the situation which gave rise to the communication activity when viewed at a later date.
At this point, the manual and the PPT presentation seem to differ. Chapter 8 & 9 aren’t in PPT
At one point, it seemed that the PPT presentation followed the instructor manual. The instructor manual is older than the student manual. I should check this out.
CHAPTER EIGHT STUDY OUESTIONS
1. Since the Coast Guard is a government agency, thefrequencies it uses are assigned by whom?
2. The Coast Guard makes three types of all stationbroadcasts. What are they?
3. Who is responsible for coordination and organization ofcommunications within a district.
4. Radio operators speak with whose authority?
5. Watchstander qualification at a station will usuallyrequire completing what criteria?
CHAPTER NINE STUDY OUESTIONS
1. What type of bearings are usually taken by a mobile anda fixed RDF unit?
2. What are the two basic types of RDF units?
3. How does an RDF unit determine a LOP?
4. What law enforcement powers does an Auxiliarist havewhen locating an illegal transmitter?
5. Do automatic RDF units give bi-directional LOP's?
6. What are some of the uses for RDF units?
7. Several LOP's intersecting at a point is called what?
8. Bearing information should only be given to whom?
Questions in Power Point that do not seem to be in AUXCOM manual.
When operating as a government station, what is the minimum log requirement?"
A bound ledger with all messages recorded therein.
What are the three sections of a log?
Log Section, Message File Section, and the Reference Section.
What are some suggested items to be kept in the reference file section?
Telephone numbers, SAR report forms, Rosters, etc.
When is an Auxiliary facility required to maintain a radio log?
All Auxiliary facilities are required to maintain a radio log.
Mobile facilities (vessels, aircraft, land mobile facilities under the direct control of a fixed land Coast Guard or Auxiliary station are exempt).
Since the Coast Guard is a government agency the frequencies it uses are assigned by whom?
The National Telecommunications and Information Administration (NTIA) through the Interdepartment Radio Advisory Committee (IRAC)
The Coast Guard makes three types of all stations broadcasts. What are they?
Urgency Broadcasts, Safety Broadcasts, and Scheduled Broadcasts.
Why should an Auxiliarist have a knowledge of signaling methods?
To be able to communicate when radio equipment cannot.
Define “at the dip” .
A signal at 1/2 the full extent of the halyard.
What is sound signaling?
Morse signals by siren, Foghorn, Whistle, Horn, etc.
Various methods of signaling may be used, what are they?
Flag, Light, Sound, and Semaphore.
What is the relationship in Morse signaling of dots, dashes, and spaces?
A dot is taken as the unit. A dash is equivalent to three units.
The space of time between any two elements of a symbol is equivalent to one unit; between two complete symbols is equivalent to three units; and between two words or groups is equivalent to five units. Accuracy depends upon this spacing being adhered to regardless of sending speed.
A Morse ALPHA consists of what?
A dot followed by a dash.
How are flag hoists read?
Top to bottom and Outboard to inboard.
What do BRAVO, OSCAR, and NOVEMBER CHARLIE signals mean?
BRAVO - red burgee - handling dangerous cargo;
OSCAR - red/yellow flag - man overboard
NOVEMBER CHARLIE - blue/white checkerboard flag and blue/white/red/white/blue horizontal stripe flag - in distress and require assistance.
Name five types of distress signals.
a. A gun or other explosive signal fired at intervals of about 1 minute.
b. A continuous sounding of any fog-signal apparatus.
c. Rockets or shells throwing red stars, fired one at a time at short intervals.
d. A signal made by radiotelegraphy or by any other signaling method consisting of the group S O S in the Morse Code.
e. Signal made by radiotelephony consisting of the word MAYDAY
f. The International Code Signal of distress indicated by letters .
g. A signal consisting of a square flag having above or below it a ball or anything resembling a ball.
h. Flames on the vessel (as from a burning tar barrel, oil barrel, etc.).
i. A rocket parachute flare showing a red light.
j. International orange rectangle with a black square and circle.
What precautions should be taken when making surface to air signals?
Wear clothing which is in contrast to the background.
AUXCOM Study QuestionsP 16794.32Bpage 1