Chapter 2 Radio Procedures Part 1

RADIO PROCEDURES SAD ECURITY CCURACY ISCIPLINE

SECURITY MRA 23 -Callsign Allocated to UK -Associated with the RAF -Indicates Geographical Location -Serial No Issued by HQAC MRA 23 A1 M 23 A R Issued by Local Unit Callsigns Assessment Start

SECURITY  Given  Given using the Phonetic Alphabet  Main  Main Station Callsign  MRA  MRA 99 Mike Romeo Alpha Nine-er Nine-er Main Station Callsign Assessment Mike Romeo Alpha Nine Nine

SECURITY  When used away from Main Station  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 avoided Non Main Station Callsign Assessment

SECURITY Non Base Station Callsign Examples: MRA 99 AMRA 99 A1MRA 99 AA MRA 99 BMRA 99 A2MRA 99 AB MRA 99 GMRA 99 B9MRA 99 BG MRA 99 XMRA 99 Y1MRA 99 PQ Note: The combination of AC and CC should be avoided.

SECURITY  Ease of sending  Speed up sending  Used when instructed  Do not use: If conditions are poorIf conditions are poor Risk of duplicatingRisk of duplicating Abbreviated Callsign Assessment End

SECURITY  The Sender.  The Listeners.  The Interceptors.

SECURITY û Use unauthorised codenames û Use personal names or nicknames û Use slang or jargon û Transmit aircraft types, roles or weapon loads in clear speech û Transmit details of arms or ammunition, particularly their movement û Transmit unit locations in clear speech Never

SECURITY Use your callsign at the start of a transmission Use your callsign at the start of a transmission Use only authorised appointment titles Use only authorised appointment titles Ask a station to “Authenticate” if you think it may not be a genuine one Ask a station to “Authenticate” if you think it may not be a genuine one Always

SECURITY AUTHENTICATION:- Is a way to help protect your communications How to do this is described later

SECURITY Additional Aids to Security Codes Codes Appointment Titles Appointment Titles Veiled Speech Veiled Speech List of Appointment Titles

ACCURACY Before Transmitting  Listen  Know how to use microphone  Speak clearly & distinctly  Use of Press to Talk Button (PTT)  Timing

Use of Microphone Radio Procedures Part 2

ACCURACY Rhythm Speed Volume Pitch S V P R

PROWORDS THIS IS The callsign of the sender follows. OVER This is the end of my present transmission, a reply is required. OUT This is the end of my transmission. No reply is expected.

PROWORDS WAIT OUT Your transmission has been received, a reply will follow later.. WILCO Message received, understood and I will comply with your instructions.. ROGER I have received your last transmission satisfactorily.

PROWORDS SAY AGAIN. Request for repetition of a whole, or part of a message I SPELL I shall spell the next word MESSAGE The transmission to follow will require to be written down

PROWORDS FIGURES Used before groups of numbers sent digit by digit GRID. Used before grid reference sent in clear speech. SPEAK SLOWER Transmit at a slower speed TIME The following group is a time group, or a date/time group

PROWORDS UNKNOWN STATION Used when calling a Station whose identity is not known CORRECTYou are correct, or what you have transmitted is correct WRONG Your last transmission was incorrect. Correct version is...

PHONETICS Are used:  When reception is poor Signal is weakSignal is weak High Background NoiseHigh Background Noise  Difficult to pronounce  Operators accent Assessment Start

PHONETICS LetterWordPronunciation AAlphaAL FAH BBravoBRAH VOH CCharlieCHAR LEE DDeltaDEL TAH Assessment

PHONETICS LetterWordPronunciation MMikeMIKE R Romeo ROW ME OH VVictorVIK TAH Some examples For a full list see the separate Self Teach Presentation Assessment End

MAP REFERENCES  The Proword Grid precedes a Grid Ref Example:TQ This should be sent as follows: GRID (short pause) Tango Quebec (short pause) Wun Too Tree (short pause) Fower Fife Six When sending Grid References they should be sent slower than normal

TIME  Given using 24-hour Clock  Preceded by the Proword Time Example: Hours sent as Time (short pause) Wun Tree (short pause) Fower Zero

DISCIPLINE ALWAYS ü Use correct voice operating procedure. ü Maintain a constant radio listening watch. ü Ensure correct channel/frequency is selected. ü Answer all your calls correctly. ü Think before transmitting & make sure you know your message. ü Release the PTT switch as soon as you have finished speaking & ensure the set returns to receive.

DISCIPLINE NEVER  Compromise classified information by using plain language.  Make unnecessary, over long or unofficial transmissions.  Identify yourself, or your unit by name.  Swear, or lose your temper.

DISCIPLINE NEVER  Disclose Frequencies.  Give telephone numbers or addresses.  Personal details about yourself or others.

Group Discussion  Learning Outcomes  1Understand what a Callsign is, and how it is made up.  2Understand what the Phonetic Alphabet, how and when is it is used.

Assessment Criteria  Describe how a Callsign is made up.. Help  Explain when the Phonetic Alphabet is used and demonstrate your knowledge of it. Help