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Chapter 3

Chapter 3. MESSAGE SENDING. RADIO CHECKS. SIGNAL STRENGTH LOUD The strongest signal GOOD WEAK VERY WEAK The weakest signal FADING Loud to Very Weak. Assessment Start. RADIO CHECKS. READABILITY CLEAR Excellent Signal READABLE Satisfactory UNREADABLE Not readable

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Chapter 3

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  1. Chapter 3 MESSAGE SENDING

  2. RADIO CHECKS SIGNAL STRENGTH LOUDThe strongest signal GOOD WEAK VERY WEAKThe weakest signal FADING Loud to Very Weak Assessment Start

  3. RADIO CHECKS READABILITY CLEARExcellent Signal READABLESatisfactory UNREADABLE Not readable DISTORTEDDifficult to hear INTERMITTENTGoes on and off INTERFERENCEBackground noise Assessment

  4. RADIO CHECKS Radio checks can be with a known station. For example: MRG91 This is MRG84 Radio check - over. MRG84 This is MRG91 Good Readable radio check - over. MRG91 This is MRG84 Loud clear - out Assessment

  5. RADIO CHECKS Radio checks can also be obtained generally For example: Alpha Charlie This is MRG84 Radio check - over MRG84 This is MRG77 Good readable radio check - over. MRG77 This is MRG84 Weak readable - out. Assessment End

  6. MESSAGES THE CALL • MRG 02 This is MRV 12 - Over • MRV 12 This is MRG 02 - Send - Over THE TEXT • MRG 02 This is MRV 12. Arrange for mini bus to be sent to this location - Over. THE ENDING • MRV 12 This is MRG 02 - Wilco - Out Assessment Start

  7. ABBREVIATED CALLSIGNSFixed Stations G 02 This is V 12 - Over V 12 This is G 02 - Send - Over G02 This is V 12 – Arrange for minibus to be sent to this location - Over V 12 This is G 02 - Wilco - Out Assessment

  8. ABBREVIATED CALLSIGNSMobile Stations G 02A This is V 12Z message - over. V 12Z This is G 02A send you message - over. G 02 A This is V12 Z request minibus to pick up party at GRID - TQ 888 999 V 12Z This is G 02A - wilco - out Assessment End

  9. AUTHENTICATION Away of checking that a Station genuine

  10. AUTHENTICATION • Alpha • Bravo • Charlie • Delta

  11. AUTHENTICATION AUTHENTICATE:- ALPHA Station’s Squadron Number MRC 28 Callsign list shows Sqn No as : 378

  12. AUTHENTICATION AUTHENTICATE:- BRAVO MRC 28Callsign list shows Sqn No as : 378 -Sqn number in reverse 873 Reverse the Number

  13. AUTHENTICATION AUTHENTICATE:- CHARLIE-Sqn number added todate MRC 16Callsign list shows Sqn No as : Date is 12 April 5 F + 12 = 17

  14. AUTHENTICATION AUTHENTICATE:- CHARLIE-Sqn number added todate MRL 47 Callsign list shows Sqn No as : Date is 30 November 1374 + 30 = 1404

  15. AUTHENTICATION AUTHENTICATE:- How will it sound? • MRC 16 This is MRC 56 Authenticate Charlie Over. • MRC 56 This is MRC 16 I Authenticate Charlie 17 Over. • MRC 16 This is MRC 56 Correct out

  16. AUTHENTICATION AUTHENTICATE:- DELTA-Callsign Number added to date Callsign MRV 92 Date is 21 July 92 + 21 = 113

  17. Group Discussion • Learning Outcomes • 1 Understand how to conduct a Radio Check. • 2 Understand how to send a message.

  18. Assessment Criteria • Demonstrate how a Radio Check is done.. Help • Explain how a simple message is sent. Help

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