RO2(T)RO2(T)

ByBy

POC Josh POC Josh SylvesterSylvester

Tactical Communications Tactical Communications 2nd Class2nd Class

ContentsContents

Morse Code Flag Recognition Hoisting ProceduresHoisting Procedures Tactical Voice Tactical Voice

ProcedureProcedure Manoeuvring Manoeuvring

Definitions & Definitions & ProceduresProcedures

Fleet work FormationsFleet work Formations

Communication SafetyCommunication Safety Types of CommunicationTypes of Communication Practices and Practices and

ResponsibilitiesResponsibilities Message HandlingMessage Handling Practical RiggingPractical Rigging Admin Voice ProcedureAdmin Voice Procedure

MORSE CODEMORSE CODE

.. --- .-. … . -.-. --- -.. ... --- .-. … . -.-. --- -.. .

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Morse Code by Flashing Morse Code by Flashing LightLight

Non Directional Flashing is Morse Code sent from the mast head light, and is used when you want to send a message to more than one ship.

Directional Flashing is Morse Code sent from a and is directed at one ship.

FRX (Flash Receiving Exercises) and FTX (Flash Transmitting Exercises) use Tactical Voice Procedure and Tactical (Alpha Numeric) Call signs.

Audible Morse is no longer used in the Royal Navy, but a good Tactical Communicator will be able to transmit and receive both visual and audible Morse Code.

Morse CodeMorse Code

A .- A .-

B -…B -…I ..I ..

J .---J .---Q --.-Q --.-

R .-.R .-.Y -.--Y -.--

Z --..Z --..7 --...7 --...

8 ---..8 ---..

C -.-.C -.-.

D -..D -..K -.-K -.-

L .-..L .-..S …S …

T -T -1 .----1 .----

2 ..---2 ..---9 ----.9 ----.

0 -----0 -----

E .E .

F ..-.F ..-.M --M --

N -.N -.U ..-U ..-

V …-V …-3 ...--3 ...--

4 ....-4 ....-

Long Long

Break Break .---..---.

Error Error ................

G --.G --.

H ….H ….O ---O ---

P .--.P .--.W .--W .--

X -..-X -..-5 .....5 .....

6 -....6 -....

Flag RecognitionFlag Recognition

The International Code of The International Code of Signals, British Ensigns, and Signals, British Ensigns, and

Parts of a flag.Parts of a flag.

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Flag Recognition - Flag Recognition - AlphabetAlphabet

AlphaAlpha I have a diver down; keep well I have a diver down; keep well clear at slow speed. clear at slow speed.

BravoBravo I am taking in, discharging, or I am taking in, discharging, or

carrying dangerous cargo.carrying dangerous cargo. CharliCharliee

"Yes" or "affirmative". "Yes" or "affirmative".

DeltaDelta I am manoeuvring with I am manoeuvring with difficulty; keep clear difficulty; keep clear

EchoEcho I am directing my course to I am directing my course to starboard starboard

FoxtroFoxtrott

I am disabled; communicate I am disabled; communicate with me.with me.On aircraft carriers: Flight On aircraft carriers: Flight Operations underway Operations underway

Flag Recognition – Alphabet Flag Recognition – Alphabet cont.cont.

GolfGolf I require a pilot.I require a pilot.

I am the Leader, follow me.I am the Leader, follow me.

HotelHotel I have a pilot onboard.I have a pilot onboard.

IndiaIndia I am directing my course to I am directing my course to port.port.

I am coming alongside.I am coming alongside.

JulietJuliet I am on fire and carrying I am on fire and carrying dangerous cargo; stay clear.dangerous cargo; stay clear.

KiloKilo I wish to communicate with I wish to communicate with you.you.

Flag Recognition – Alphabet Flag Recognition – Alphabet cont. cont.

LimaLima You should stop You should stop your vessel your vessel immediately immediately

MikeMike My vessel is My vessel is stopped; making stopped; making

no way.no way. NovemberNovember No or negative.No or negative. OscarOscar Man overboardMan overboard

PapaPapa All personnel All personnel return to ship; return to ship; proceeding to seaproceeding to sea

QuebecQuebec Ship meets health Ship meets health regs; request regs; request clearance into clearance into port. port.

Flag Recognition – Alphabet Flag Recognition – Alphabet cont.cont.

RomeoRomeo Preparing for RAS. Duty Preparing for RAS. Duty Ship.Ship.

SierraSierra Moving AsternMoving Astern

Conducting flag hoisting Conducting flag hoisting drills.drills.

TangoTango Keep clear, engaged in Keep clear, engaged in trawling.trawling.

Do not pass ahead of me.Do not pass ahead of me.

UniformUniform You are running into You are running into danger.danger.

victorvictor I require assistance.I require assistance.

WhiskeyWhiskey I require medical I require medical assistance.assistance.

Flag Recognition – AlphabetFlag Recognition – Alphabet

X-RayX-Ray Stop carrying out Stop carrying out your intentions and your intentions and watch for my watch for my signalssignals

YankeeYankee I am dragging I am dragging anchor.anchor.

Ship has Visual Ship has Visual Communication Communication Duty.Duty.

ZuluZulu I require a tugI require a tug

Code / AnswerCode / Answer Message Message understood.understood.

5 in a Relative 5 in a Relative Bearing.Bearing.

Flag that follows is Flag that follows is from international from international code of signalscode of signals

Flag Recognition - Flag Recognition - SubstitutesSubstitutes

11stst Substitute Substitute Substitutes for the Substitutes for the 11stst flag in the hoist. flag in the hoist.

Absence of flag Absence of flag officerofficer

22ndnd Substitute Substitute Substitute for the Substitute for the 22ndnd flag in the hoist. flag in the hoist.

Absence of Chief of Absence of Chief of Staff.Staff.

33rdrd Substitute Substitute Substitute for the Substitute for the 33rdrd flag in the hoist. flag in the hoist.

Absence of the CO.Absence of the CO.

Flag Recognition – Number Flag Recognition – Number PennantsPennants

00 44 88

11 55 99

22 66

33 77

Flag Recognition - OtherFlag Recognition - OtherSpeedSpeed

CorpenCorpen

(Course Pennant)(Course Pennant)

FormForm

(Formation)(Formation)

PortPort

StarboardStarboard

Flag Recognition - Flag Flag Recognition - Flag OfficersOfficers

Admiral of the FleetAdmiral of the Fleet

AdmiralAdmiral

Vice AdmiralVice Admiral

Rear AdmiralRear Admiral

CommodoreCommodore

Parts of a FlagParts of a FlagUpper Hoist

Lower Hoist

Upper Fly

Lower Fly

EnsignsEnsigns•St George’s cross with Union flag in upper hoist

•Used by the Royal Navy

•Red flag with Union Flag in top upper hoist

•Civil ensign of UK, by pleasure boats & merchant ships

•Blue flag with Union Flag in upper hoist

•Used by government bodies, defaced with their emblem

•Made up of the crosses of Saints Patrick, Andrew & George

•Flown on the Jack Staff of all RN Ships when alongside, when the ship is dressed, in the presence of a Fleet Admiral, or when a Court Martial is in progression.

Church PennantChurch Pennant

Fly – Dutch Flag

Hoist – St. George’s Cross

Commissioning PennantsCommissioning Pennants

Sea Cadets

Royal Navy

Flown at the Masthead, indicates that a ship is in commission. When a ship enters harbour for the last time, it will hoist the Paying Off Pennant, which is the same as the Commissioning Pennant, except it is as long as the ship itself!

Hoisting Hoisting ProceduresProcedures

Reading a Mast, Colours, Evening Reading a Mast, Colours, Evening Colours, Half Mast, and Dressing Colours, Half Mast, and Dressing

Overall.Overall.

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Hoisting ProceduresHoisting ProceduresGaffMast

head

Starboard Outer

Starboard InnerPort Outer

Port Inner

Halyard

Yardarm

Tack line – Break between flags

Bend on – Clipping on flags

Execute – Pull the signal down fast

Hoist – to haul a flag up

Dip – to bring 1/3 down

Close up – Bring the flags to the top

Hoisting Procedures – Hoisting Procedures – Half MastHalf Mast

Colours

Ensign is hauled to the top of the mast in 20 seconds. Break for 2 marching paces, then slowly lower the ensign between 1/3 and ½ of the way down the mast.

Evening Colours / Sunset

Ensign is slowly raised to the top of the mast head. Break for 2 marching paces, then ensign is lowered fully in 40 seconds.

Dressing ShipDressing Ship Accession Day 6th FebAccession Day 6th Feb Commonwealth Day - 2nd Monday in MarchCommonwealth Day - 2nd Monday in March Queens birthday - April 21st Queens birthday - April 21st Queens Official Birthday - Date PublishedQueens Official Birthday - Date Published Coronation Day - 2nd JuneCoronation Day - 2nd June Prince Phillips Birthday - 10th June Prince Phillips Birthday - 10th June

Ships are to be dressed overall when in a foreign Ships are to be dressed overall when in a foreign port on a day that the county would dress ship, port on a day that the county would dress ship, like 4th of July in the USA like 4th of July in the USA

Manoeuvring Manoeuvring Definitions & Definitions & ProceduresProcedures

Relative Bearings, True Bearings, The Relative Bearings, True Bearings, The Guide and Movement Restrictions.Guide and Movement Restrictions.

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Manoeuvring Definitions Manoeuvring Definitions

Formation – The way a group of ships Formation – The way a group of ships are organised to operate as.are organised to operate as.

Corpen – “Course Pennant” - Corpen – “Course Pennant” - WheelingWheeling

Turn – Turning fully.Turn – Turning fully. Speed – The speed at which the Speed – The speed at which the

formation should be operating at.formation should be operating at. Guide – The ship flying “Golf”, ship is Guide – The ship flying “Golf”, ship is

the leader, and all are to form on, or the leader, and all are to form on, or take a bearing off this ship.take a bearing off this ship.

BearingsBearingsA TRUE BEARING has 3 figures and is displayed on a compass rose.

000045

090

135

180225

270

315

A RELATIVE BEARING has 1 or 2 figures, and “ANS” if it is .5. For example, if a ship was facing a true bearing of 000, to turn to starboard 45*, the relative bearing would be “STBD 4ANS” - STBD 45

The GuideThe Guide

The Guide Ship will usually have the OTC The Guide Ship will usually have the OTC (Officer in Tactical Command) onboard(Officer in Tactical Command) onboard

The Guide will ALWAYS hoist flag GOLF The Guide will ALWAYS hoist flag GOLF to show it is guide.to show it is guide.

When a formation wheels using Corpen, When a formation wheels using Corpen, the pivot ship will become guide.the pivot ship will become guide.

If the Guide sheers from formation, the If the Guide sheers from formation, the next ship in sequence number becomes next ship in sequence number becomes Guide.Guide.

Movement RestrictionsMovement Restrictions

When in Column, ships can wheel up to 180When in Column, ships can wheel up to 180°.°.

When in Line Abreast, ships can wheel up to When in Line Abreast, ships can wheel up to 90°.90°.

When on a Line of Bearing, ships can not When on a Line of Bearing, ships can not wheel.wheel.

Ships can turn 180° to Port or Starboard.Ships can turn 180° to Port or Starboard.

Distances between ShipsDistances between Ships A Large Ship is a ship over 450 feet in length.A Large Ship is a ship over 450 feet in length. A Small Ship is a ship under 450 feet in A Small Ship is a ship under 450 feet in

length.length. The distance between 2 large ships should be The distance between 2 large ships should be

1000 yards.1000 yards. The distance between 1 large ship and 1 The distance between 1 large ship and 1

small ship should be 1000 yards.small ship should be 1000 yards. The distance between 2 small ships should be The distance between 2 small ships should be

500 yards.500 yards. The distance between ships is measured from The distance between ships is measured from

foremast to foremast.foremast to foremast.

FormationsFormations

Formations 1, 2, 3 and 4Formations 1, 2, 3 and 4

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FormationsFormations

Form 1Form 1 – Ships form column in order – Ships form column in order of sequence numbers.of sequence numbers.

Form 2Form 2 – Ships form column in – Ships form column in reverse order of sequence numbers.reverse order of sequence numbers.

Form 3Form 3 – Ships form line abreast to – Ships form line abreast to starboard in order of sequence starboard in order of sequence numbers.numbers.

Form 4Form 4 – Ships form line abreast to – Ships form line abreast to port in order of sequence.port in order of sequence.

Formations 1Formations 1

LEAD SHIP1

2

3

1

000 – SP10 – Form 1 – G1

True Bearing Spe

ed

Formation

Guide Ship

Formation 2Formation 2

1

2

3

LEAD SHIP

000 – SP10 – Form 2 – G1

Formation 3Formation 3

321 4

LEAD SHIP

000 – SP10 – Form 3 – G1

Formation 4Formation 4

3 2 14

LEAD SHIP

000 – SP10 – Form 4 – G1

CommunicationsCommunications

Types of Communications and Types of Types of Communications and Types of Call signsCall signs

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Types of CommunicationTypes of Communication

Radio’sRadio’s Pyrotechnics (fire, flares etc.)Pyrotechnics (fire, flares etc.) Visual (flags, semaphore, Morse by Visual (flags, semaphore, Morse by

Light)Light) Audible (bells, whistles, talking, Audible (bells, whistles, talking,

audible Morse)audible Morse) Can you think of any more? Can you think of any more?

Types of Call signTypes of Call sign International – used mainly in Admin International – used mainly in Admin

Voice, an international callsign will be Voice, an international callsign will be unique depending on your country and unique depending on your country and area. MFK58 is an International Call sign.area. MFK58 is an International Call sign.

Tactical – used for Tactical Voice, these Tactical – used for Tactical Voice, these are Alpha Numeric (one letter, one are Alpha Numeric (one letter, one number). A3 is a Tactical Callsign.number). A3 is a Tactical Callsign.

Visual – used in flaghoists, directional and Visual – used in flaghoists, directional and non directional Flashing Morse Exercises. non directional Flashing Morse Exercises. These are the pennant numbers found on These are the pennant numbers found on the side of ships, for example, RO7 is the side of ships, for example, RO7 is HMS Illustrious, D23 is HMS Bristol etc.HMS Illustrious, D23 is HMS Bristol etc.

Communications Communications SafetySafety

Fire Extinguishers and hazard Fire Extinguishers and hazard awareness. awareness.

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Isolator SwitchIsolator Switch

If you walk into a Comms Room and If you walk into a Comms Room and discover somebody on the floor, DO discover somebody on the floor, DO NOT touch them. NOT touch them.

A switch should be located on the same A switch should be located on the same wall as the door to the Comms Room, wall as the door to the Comms Room, called an Isolator Switch.called an Isolator Switch.

Hit this switch, and all electronics in Hit this switch, and all electronics in the room are cut off. the room are cut off.

Only once the isolator switch has been Only once the isolator switch has been used should you attend the casualty.used should you attend the casualty.

Fire ExtinguisherFire Extinguisher

A CARBON DIOXIDE fire extinguisher A CARBON DIOXIDE fire extinguisher should be located near the isolator should be located near the isolator switch of the Comms Room. switch of the Comms Room.

A CO2 Extinguisher will not damage A CO2 Extinguisher will not damage your equipment.your equipment.

Be careful when handling a CO2 Be careful when handling a CO2 extinguisher, because they will cause extinguisher, because they will cause Cold Burns, so handle them correctly.Cold Burns, so handle them correctly.

HazardsHazards

Tripping Hazards (cables, chairs, feet etc)Tripping Hazards (cables, chairs, feet etc)

Radiation Hazards (from radio aerials and Radiation Hazards (from radio aerials and equipment)equipment)

Electrocution Hazards (by drinking in Electrocution Hazards (by drinking in Comms Rooms)Comms Rooms)

Can you think of any more?Can you think of any more?

Practises and Practises and ResponsibilitiesResponsibilities

Forbidden Practises and Visual Forbidden Practises and Visual Operator Responsibilities Operator Responsibilities

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Forbidden PractisesForbidden Practises

The following practises are specifically The following practises are specifically forbidden on Sea Cadet Circuits. forbidden on Sea Cadet Circuits. Many are forbidden on the vast Many are forbidden on the vast majority of other Radio Frequencies majority of other Radio Frequencies around the world. Infringement may around the world. Infringement may result in the removal of an operator result in the removal of an operator from the circuit, withdrawal of a from the circuit, withdrawal of a Permit to Transmit and even, in Permit to Transmit and even, in some cases, criminal prosecution:some cases, criminal prosecution:

Forbidden PractisesForbidden Practisesa)a) Transmission on a directed net without permission.Transmission on a directed net without permission.b)b) Excessive tuning and testing.Excessive tuning and testing.c)c) Unauthorised transmission of Place, Unit or Unauthorised transmission of Place, Unit or

Personal Names in Clear.Personal Names in Clear.d)d) Use of profane, indecent or obscene language.Use of profane, indecent or obscene language.e)e) Use of excessive or unauthorised transmitting Use of excessive or unauthorised transmitting

power.power.f)f) Transmitting at speeds beyond the capabilities of Transmitting at speeds beyond the capabilities of

the receiving operator.the receiving operator.g)g) Operation on a circuit by any person not holding a Operation on a circuit by any person not holding a

valid Permit to Transmit, except under the valid Permit to Transmit, except under the supervision and with the express permission of an supervision and with the express permission of an Authorised Person.Authorised Person.

h)h) Use of unauthorised Callsigns, except where local Use of unauthorised Callsigns, except where local Callsigns have been approved.Callsigns have been approved.

i)i) Use of precedence Flash by SCC stations.Use of precedence Flash by SCC stations.

Visual Operator’s Visual Operator’s ResponsibilitiesResponsibilities

ResponsibilitiesResponsibilities1.1. Ensuring no unauthorised transmissions are made.Ensuring no unauthorised transmissions are made.

2.2. Giving an immediate answer to a call.Giving an immediate answer to a call.

3.3. Observing the following rules:Observing the following rules:

Practices specifically FORBIDDEN -Practices specifically FORBIDDEN -

1.1. Unofficial conversation between operators.Unofficial conversation between operators.

2.2. Transmitting an operator’s personal sign.Transmitting an operator’s personal sign.

3.3. Unauthorised use of plain language in place of Unauthorised use of plain language in place of authorised Prosigns or operating signals.authorised Prosigns or operating signals.

4.4. Use of profane, indecent or obscene language.Use of profane, indecent or obscene language.

Practises to be AVOIDED – Practises to be AVOIDED –

1.1. Use of too wide a beam or too bright a light.Use of too wide a beam or too bright a light.

2.2. Transmitting too fast for the receiving operator to read.Transmitting too fast for the receiving operator to read.

Tactical Voice Tactical Voice ProcedureProcedure

Delayed Executive Method and Delayed Executive Method and Immediate Executive MethodImmediate Executive Method

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Saying the Delayed Saying the Delayed Executive MethodExecutive Method

If you wanted to make all ships turn If you wanted to make all ships turn 9090° to starboard, you would SAY ° to starboard, you would SAY over the radio the following:over the radio the following:

Z0, this is A1, execute to follow, turn starboard 9, B2 over.

Call sign for all ships

Your CS

Means “await another message before executing it”

The order

Means you await a receipt

Z0, this is A1, standby.................EXECUTE, C3 over.

Means “Carry out the order......now”

So the radio transmission So the radio transmission would go:would go:

• Z0, this is A1, execute to follow, turn starboard 9, B2 over.

• This is B2, roger out.

• Z0 this is A1, standby..........execute, C3 over.

• This is C3, Roger out.

Writing the Delayed Writing the Delayed Executive MethodExecutive Method

You also have to log that You also have to log that transmission, so you would write:transmission, so you would write:

Z0 de A1 IX Tu STBD 9 B2 K

All ships

This is

Your CS

Execute to follow

Turn

Starboard

Relative Bearing 90°

CS you want a receipt off

over

Z0 de A1 SB------------IX C3 K

Stand by Execute

So the log would look So the log would look like:like:

• Z0 de A1 IX Tu STBD 9 B2 K

• De B2 R +

• Z0 de A1 SB______IX C3 K

• de C3 R +

Saying the Immediate Saying the Immediate Executive MethodExecutive Method

Basically, it is spoken nearly the same as Basically, it is spoken nearly the same as the Delayed, however it is done the Delayed, however it is done immediately with no chance to respond, immediately with no chance to respond, like so:like so:

Z0, this is A1, immediate execute, speed 30, I say again, speed 30, standby..........execute over

As you can see, it is all done in one message. It is vitally important you repeat the order, so everybody hears it. If by the time you have reached “standby” and your Captain is not ready to action the order, you continue saying “standby”. Standby....standby....standby......Execute. Everybody should receipt the order afterwards.

So the radio transmission So the radio transmission would go:would go:

• Z0, this is A1, immediate execute, speed 30, I say again, speed 30, standby..........execute over.

• This is B2, roger out.

• This is C3 roger out.

• ZO this is A1, roger out.

Writing the Immediate Writing the Immediate Executive MethodExecutive Method

Written in the same way as the Written in the same way as the delayed method, but all together:delayed method, but all together:

Z0 de A1 IMIX SP30 ISA SP30 SB____________ IX K

Call signs

Immediate Execute

Speed 30

I say again

Standby..........Execute

Over

So the log would look So the log would look like:like:

Z0 de A1 IMIX SP30 ISA SP30 SB____________ IX K

de B2 R + de C3 R + Z0 de A1 R +

Admin Voice Admin Voice ProcedureProcedure

Transmitting priority messages, test Transmitting priority messages, test transmission, radio check and time transmission, radio check and time

check.check.

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Radio CheckRadio Check

To ensure your radios are all To ensure your radios are all working, it is necessary to do a working, it is necessary to do a Radio Check before transmitting:Radio Check before transmitting:

GALL this is GCON, Radio Check over

this is GLEA, roger over

this is GSYL, roger over

this is GTOR roger over

GALL this is GCON roger out.

Radio CheckRadio Check If the signal you receive is not “loud and If the signal you receive is not “loud and

clear” (which is demonstrated by replying clear” (which is demonstrated by replying ROGER), then you can replace ROGER ROGER), then you can replace ROGER and use the following:and use the following:Signal Strength

Loud

Good

Weak

Very Weak

Fading

Readability

Clear

Readable

Distorted

With Interference

IntermittentSo a radio check could go:

GLEA this is GCON Radio Check over

this is GLEA, fading and distorted over

GLEA this is GCON roger out

Time CheckTime Check

Sometimes it is necessary to check Sometimes it is necessary to check the time over radio. Done like so:the time over radio. Done like so:

GLEA this is GCON request time check, over

this is GLEA wait out.

GCON this is GLEA time check at 1812Z 15 seconds 10 seconds 5 4 3 2 1 TIME 1812Z over

this is GCON roger out

You must wait until the countdown is in time with the clock.

Test TransmissionTest Transmission Stations may want to test transmissions Stations may want to test transmissions

between another station. You can do this between another station. You can do this by doing the following:by doing the following:

GLEA this is GCON Request test transmission, over

this is GLEA Testing 1 2 3 4 5 5 4 3 2 1 over

this is GCON roger out

Submitting Priority Submitting Priority MessagesMessages

You should now fill in a Message You should now fill in a Message form as shown by your instructor. form as shown by your instructor. Then the following will happen:Then the following will happen:

•GALL this is GCON, This is a directed net, I am control, of what precedence and for whom are your messages? Over

•This is GLEA, priority for GTOR over

•This is GTOR, no traffic over

•This is GSYL, routine for GLEA over.

From the above, each operator should create a traffic list, showing which call sign has what message for whom.

Next stageNext stage Once you have created your traffic list, Once you have created your traffic list,

control will request for messages to be control will request for messages to be sent, going in priority of precedence: sent, going in priority of precedence:

GLEA this is GCON send your priority over

this is GTOR over

this is GLEA, priority for GTON.

(here you go through your message; DTG, From, To, Info, // unclass.

SIC: Message //) Over

this is GCON roger out

this is GTOR roger out

If you didn’t hear a section of the message, you transmit “Say again all after/before ....” here

The receiver of the message must receipt here to show the sender you are listening.

Practical Rigging Practical Rigging (Aerials)(Aerials)

Safety Checks and Maintenance Safety Checks and Maintenance on Aerialson Aerials

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Safety ChecksSafety Checks

Aerials shouldn’t be more than 15m high if Aerials shouldn’t be more than 15m high if you are within one mile of an airfield.you are within one mile of an airfield.

Remember to check the ground beneath Remember to check the ground beneath you for pipes and wires, and check the area you for pipes and wires, and check the area above you for pylons and extended cables above you for pylons and extended cables or branches.or branches.

Make sure that everybody on your team is Make sure that everybody on your team is paying attention while you erect and aerial. paying attention while you erect and aerial.

Make sure you are wearing hard hats at all Make sure you are wearing hard hats at all times.times.

Maintenance on AerialsMaintenance on Aerials ALWAYS tell somebody that you are ALWAYS tell somebody that you are

working on an aerial.working on an aerial. Put a “Persons aloft” sign up.Put a “Persons aloft” sign up. Take a buddy to help you out.Take a buddy to help you out. Take the Safe to transmit keys out of the Take the Safe to transmit keys out of the

radios!!radios!! If there are no keys, remove the fuses.If there are no keys, remove the fuses. Wear the appropriate safety equipment.Wear the appropriate safety equipment. Cadets are discouraged to work on aerials. Cadets are discouraged to work on aerials.

Your Unit Communications Instructor Your Unit Communications Instructor should do all necessary work.should do all necessary work.

Message Message HandlingHandling

The Basics, Pro Words, The Basics, Pro Words, Precedence's and DTG’sPrecedence's and DTG’s

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The BasicsThe Basics

A good communicator should always have A good communicator should always have the following at hand:the following at hand:

A Pen (NEVER write in red!!)A Pen (NEVER write in red!!) Pencil (Cross out mistakes, DON’T erase them!)Pencil (Cross out mistakes, DON’T erase them!) Paper (Lined preferably, and lots of!)Paper (Lined preferably, and lots of!) Carbon Paper (Makes copying messages easy!)Carbon Paper (Makes copying messages easy!) Clipboard (Always handy, elastic band will stop paper Clipboard (Always handy, elastic band will stop paper

from flapping!)from flapping!) Message Forms, Radio Operator Logs and Message Message Forms, Radio Operator Logs and Message

Handling LogsHandling Logs

Date & Time GroupsDate & Time Groups

DTGs, or Date and Time Groups are DTGs, or Date and Time Groups are used to identify individual messages used to identify individual messages minutes, hours, days or weeks after minutes, hours, days or weeks after they have been sent.they have been sent.

The day (15th) The

time

(15.45)

The month

(July)

The year

(2008)ZUL

U Time

Every message you take should have a DTG for easy filing and future reference!!

Prosign’sProsign’sAA – All After

AB – All Before

AR – End of transmission

AS – Wait

B – More to follow

BT – Long break

C – Correct or Correction

DE – This is

EEEEEEEE – Error

FM – From (call sign)

G – Read back

GR – Group Count

HM HM HM – Emergency Silence

II – Short break

SA – Say again

INFO – Information (call sign follows)

INT – Interrogative

K – Invitation to transmit (I require a reply)

O – Immediate

P – Priority

R – Roger

R - Routine

T – Relay

TO – Action (call sign)

WA – Word After

WB – Word Before

XMT – Exempt Address

Z - Flash

Precedence'sPrecedence's

A Message should come with a A Message should come with a precedence to show its importance:precedence to show its importance:

Flash (Z) – Not used by the SCC – emergency, for Flash (Z) – Not used by the SCC – emergency, for example enemy sightings.example enemy sightings.

Immediate (O) – e.g. Require immediate medical Immediate (O) – e.g. Require immediate medical assistance.assistance.

Priority (P) – e.g. Require a new left propeller for Priority (P) – e.g. Require a new left propeller for when ship comes into port.when ship comes into port.

Routine (R) – e.g. Need to order size 14 working Routine (R) – e.g. Need to order size 14 working boots from stores.boots from stores.

RememberRemember

PRACTISE everything in this power PRACTISE everything in this power point as often as possible.point as often as possible.

This power point is only intended to This power point is only intended to lightly cover the main topics of the lightly cover the main topics of the Radio Operator (Tactical) 2Radio Operator (Tactical) 2ndnd Class Class course, not teach it!!!course, not teach it!!!

If you thought RO2(T) was good fun, If you thought RO2(T) was good fun, encourage others to do it, and go for encourage others to do it, and go for your RO1(T)!!your RO1(T)!!

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