Chapter 2 Radio Procedures Part 1. RADIO PROCEDURES SAD ECURITY CCURACY ISCIPLINE.

ChapterChapter 2 2

Radio ProceduresRadio ProceduresPart 1Part 1

RADIO PROCEDURESRADIO PROCEDURES

SS

AA

DD

ECURITY

CCURACY

ISCIPLINE

SECURITYSECURITY

MRA 23MRA 23-- Callsign Allocated to UKCallsign Allocated to UK

-- Associated with the RAFAssociated with the RAF

-- Indicates Geographical Indicates Geographical LocationLocation

-- Serial No Issued by HQACSerial No Issued by HQAC

MRA 23 A1 MRA 23 A1

MM

2233

AARR

Issued by Local Unit

Callsigns

Assessment Start

SECURITYSECURITY

Given using the Phonetic AlphabetGiven using the Phonetic Alphabet

Main Station CallsignMain Station Callsign

MRA 99MRA 99

Mike Romeo Alpha Nine-er Nine-Mike Romeo Alpha Nine-er Nine-erer

Main Station Callsign

Assessment

Mike Romeo Alpha Nine Nine

SECURITYSECURITY

When used away from Main StationWhen used away from Main Station Local Unit should add either:Local Unit should add either:

• One Alpha CharacterOne Alpha Character• One Alpha Character and One NumberOne Alpha Character and One Number• Two Alpha CharactersTwo Alpha Characters

AC and CC should be avoidedAC and CC should be avoided

Non Main Station Callsign

Assessment

SECURITYSECURITY

Non Base Station Callsign Examples:Non Base Station Callsign Examples:

MRA 99 AMRA 99 A MRA 99 A1MRA 99 A1 MRA 99 AAMRA 99 AA

MRA 99 BMRA 99 B MRA 99 A2MRA 99 A2 MRA 99 ABMRA 99 AB

MRA 99 GMRA 99 G MRA 99 B9MRA 99 B9 MRA 99 BGMRA 99 BG

MRA 99 XMRA 99 X MRA 99 Y1MRA 99 Y1 MRA 99 PQMRA 99 PQ

Note: The combination of AC and CC should be avoided.Note: The combination of AC and CC should be avoided.

SECURITYSECURITY

Ease of sendingEase of sending Speed up sending Speed up sending Used when instructedUsed when instructed Do not use:Do not use:

• If conditions are poorIf conditions are poor• Risk of duplicatingRisk of duplicating

Abbreviated Callsign

Assessment End

SECURITYSECURITY

The Sender.The Sender.

The Listeners.The Listeners.

The Interceptors.The Interceptors.

SECURITYSECURITY

Use unauthorised codenamesUse unauthorised codenamesUse personal names or nicknamesUse personal names or nicknamesUse slang or jargonUse slang or jargonTransmit aircraft types, roles or Transmit aircraft types, roles or

weapon loads in clear speechweapon loads in clear speechTransmit details of arms or Transmit details of arms or

ammunition, particularly their ammunition, particularly their movementmovement

Transmit unit locations in clear speechTransmit unit locations in clear speech

NeverNever

SECURITYSECURITY

Use your callsign at the start of a Use your callsign at the start of a transmissiontransmission

Use only authorised appointment titlesUse only authorised appointment titles

Ask a station to “Authenticate” if you Ask a station to “Authenticate” if you think it may not be a genuine onethink it may not be a genuine one

AlwaysAlways

SECURITYSECURITY

AUTHENTICATION:-AUTHENTICATION:-

Is a way to help protect your communications

How to do this is described later

SECURITYSECURITY

Additional Aids to SecurityAdditional Aids to Security

•CodesCodes

•Appointment TitlesAppointment Titles

•Veiled SpeechVeiled SpeechList of Appointment Titles

ACCURACYACCURACY

Before TransmittingBefore Transmitting ListenListen Know how to use microphoneKnow how to use microphone Speak clearly & distinctlySpeak clearly & distinctly Use of Press to Talk Button (PTT)Use of Press to Talk Button (PTT) Timing Timing

Use of MicrophoneUse of Microphone

Radio ProceduresRadio Procedures

Part 2Part 2

ACCURACYACCURACY

Rhythm

Speed

Volume

Pitch

S

V

P

R

PROWORDSPROWORDS

THIS ISTHIS IS The callsign of the The callsign of the sender follows.sender follows.

OVEROVER This is the end of my present This is the end of my present transmission, a reply is transmission, a reply is

required.required.

OUTOUT This is the end of my This is the end of my transmission. No transmission. No

reply is reply is expected.expected.

PROWORDSPROWORDS

WAIT OUTWAIT OUT Your transmission has Your transmission has been been received, a reply received, a reply will follow will follow later..later..

WILCOWILCO Message received, understood Message received, understood and I will comply with your and I will comply with your

instructionsinstructions.. ..

ROGERROGER I have received your last I have received your last transmission transmission

satisfactorilysatisfactorily ..

PROWORDSPROWORDS

SAY AGAIN.SAY AGAIN. Request for repetition of a whole, Request for repetition of a whole, or part of a messageor part of a message

I SPELLI SPELL I shall spell the next wordI shall spell the next word

MESSAGEMESSAGE The transmission to follow will The transmission to follow will require to be written downrequire to be written down

PROWORDSPROWORDSFIGURESFIGURES Used before groups of Used before groups of

numbers sent digit numbers sent digit by digitby digit

GRIDGRID .. Used before grid Used before grid reference reference sent in clear sent in clear speech.speech.

SPEAK SLOWERSPEAK SLOWER Transmit at a slower speedTransmit at a slower speed

TIMETIME The following group is a The following group is a time time group, or a group, or a date/time groupdate/time group

PROWORDSPROWORDS

UNKNOWN STATIONUNKNOWN STATION Used when calling a Used when calling a Station Station whose whose identity is not knownidentity is not known

CORRECTCORRECT You are correct, or what You are correct, or what you have you have transmitted transmitted is correctis correct

WRONGWRONG Your last transmission was Your last transmission was incorrect. Correct incorrect. Correct

version is...version is...

PHONETICSPHONETICS

Are used:Are used: When reception is poorWhen reception is poor

• Signal is weakSignal is weak• High Background NoiseHigh Background Noise

Difficult to pronounceDifficult to pronounce Operators accentOperators accent

Assessment Start

PHONETICSPHONETICS

LetterLetter WordWordPronunciationPronunciation

AA AlphaAlpha ALAL FAH FAH

BB BravoBravo BRAHBRAH VOHVOH

CC CharlieCharlie CHARCHAR LEELEE

DD DeltaDelta DELDEL TAH TAH Assessment

PHONETICSPHONETICS

LetterLetter WordWordPronunciationPronunciation

MM MikeMikeMIKEMIKE

RR Romeo Romeo ROWROW ME OHME OH

VV VictorVictor VIKVIK TAH TAH

Some examples

For a full list see the separate Self Teach Presentation

Assessment End

MAP REFERENCESMAP REFERENCES The Proword Grid precedes a Grid RefThe Proword Grid precedes a Grid Ref

Example:Example: TQ 123 456TQ 123 456

This should be sent as follows:This should be sent as follows:GRIDGRID (short pause)(short pause)

Tango Quebec Tango Quebec (short pause)(short pause)

Wun Too Tree Wun Too Tree (short pause)(short pause)

Fower Fife Six Fower Fife Six

When sending Grid References they should be sent slower than normal

TIMETIME Given using 24-hour ClockGiven using 24-hour Clock Preceded by the Proword TimePreceded by the Proword Time

Example: 13 40 Hours sent as Example: 13 40 Hours sent as TimeTime (short pause)(short pause)

Wun TreeWun Tree (short pause)(short pause)

Fower ZeroFower Zero

DISCIPLINEDISCIPLINE

ALWAYSALWAYSUse correct voice operating procedure.Use correct voice operating procedure.Maintain a constant radio listening Maintain a constant radio listening

watch.watch.Ensure correct channel/frequency is Ensure correct channel/frequency is

selected.selected.Answer all your calls correctly.Answer all your calls correctly.Think before transmitting & make sure Think before transmitting & make sure

you know your message.you know your message.Release the PTT switch as soon as you Release the PTT switch as soon as you

have finished speaking & ensure the set have finished speaking & ensure the set returns to receive.returns to receive.

DISCIPLINEDISCIPLINE

NEVERNEVER

Compromise classified information by Compromise classified information by using plain language.using plain language.

Make unnecessary, over long or unofficial Make unnecessary, over long or unofficial transmissions.transmissions.

Identify yourself, or your unit by name.Identify yourself, or your unit by name. Swear, or lose your temper.Swear, or lose your temper.

DISCIPLINEDISCIPLINE

NEVERNEVER

Disclose Frequencies.Disclose Frequencies.

Give telephone numbers or addresses.Give telephone numbers or addresses.

Personal details about yourself or others.Personal details about yourself or others.

Group DiscussionGroup Discussion

Learning OutcomesLearning Outcomes

11 Understand what a Callsign is, Understand what a Callsign is, and how it is made up.and how it is made up.

22 Understand what the Phonetic Understand what the Phonetic Alphabet, how and when is it is used.Alphabet, how and when is it is used.

Assessment CriteriaAssessment Criteria

Describe how a Callsign is made up..Describe how a Callsign is made up..

HelpHelp Explain when the Phonetic Alphabet Explain when the Phonetic Alphabet

is used and demonstrate your is used and demonstrate your knowledge of it.knowledge of it.

HelpHelp