chapter 3
Post on 30-Dec-2015
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RADIO CHECKSRADIO CHECKS
SIGNAL STRENGTHSIGNAL STRENGTH
LOUDLOUD The strongest signalThe strongest signal
GOODGOOD
WEAKWEAK
VERY WEAKVERY WEAK The weakest signalThe weakest signal
FADINGFADING Loud to Very WeakLoud to Very Weak
Assessment Start
RADIO CHECKSRADIO CHECKS
READABILITYREADABILITY
CLEARCLEAR Excellent SignalExcellent SignalREADABLEREADABLE SatisfactorySatisfactoryUNREADABLE UNREADABLE Not readableNot readableDISTORTEDDISTORTED Difficult to hearDifficult to hearINTERMITTENTINTERMITTENT Goes on and offGoes on and offINTERFERENCEINTERFERENCE Background noiseBackground noise
Assessment
RADIO CHECKSRADIO CHECKS
MRG91 This is MRG84 Radio check - over.MRG91 This is MRG84 Radio check - over.
MRG84 This is MRG91 Good Readable radio check - MRG84 This is MRG91 Good Readable radio check - over.over.
MRG91 This is MRG84 Loud clear - outMRG91 This is MRG84 Loud clear - out
Radio checks can be with a known station.
For example:
Assessment
RADIO CHECKSRADIO CHECKS
Alpha Charlie This is MRG84 Radio check - overAlpha Charlie This is MRG84 Radio check - over
MRG84 This is MRG77 Good readable radio check - MRG84 This is MRG77 Good readable radio check - overover..
MRG77 This is MRG84 Weak readable - out.MRG77 This is MRG84 Weak readable - out.
Radio checks can also be obtained generally
For example:
Assessment End
MESSAGESMESSAGESTHE CALLTHE CALL MRG 02 This is MRV 12 - OverMRG 02 This is MRV 12 - Over MRV 12 This is MRG 02 - Send - OverMRV 12 This is MRG 02 - Send - Over
THE TEXTTHE TEXT MRG 02 This is MRV 12. Arrange for mini MRG 02 This is MRV 12. Arrange for mini
bus to be sent to this location - Over.bus to be sent to this location - Over.
THE ENDINGTHE ENDING MRV 12 This is MRG 02 - Wilco - OutMRV 12 This is MRG 02 - Wilco - Out
Assessment Start
ABBREVIATED CALLSIGNSABBREVIATED CALLSIGNSFixed StationsFixed Stations
G 02 This is V 12 - OverG 02 This is V 12 - Over
V 12 This is G 02 - Send - OverV 12 This is G 02 - Send - Over
G02 This is V 12 – Arrange for minibus G02 This is V 12 – Arrange for minibus to be sent to this location - Overto be sent to this location - Over
V 12 This is G 02 - Wilco - OutV 12 This is G 02 - Wilco - Out
Assessment
ABBREVIATED CALLSIGNSABBREVIATED CALLSIGNSMobile StationsMobile Stations
G 02A This is V 12Z message - over.G 02A This is V 12Z message - over.
V 12Z This is G 02A send you message - over.V 12Z This is G 02A send you message - over.
G 02 A This is V12 Z request minibus to pick G 02 A This is V12 Z request minibus to pick up party at GRID - TQ 888 999 up party at GRID - TQ 888 999
V 12Z This is G 02A - wilco - outV 12Z This is G 02A - wilco - out
Assessment End
AUTHENTICATIONAUTHENTICATION
Away of checking that a Station Away of checking that a Station
genuinegenuine
AUTHENTICATIONAUTHENTICATION
AUTHENTICATE:-AUTHENTICATE:-
ALPHAALPHA
Callsign list shows Sqn No as :MRC 28
378
Station’s Squadron Number
AUTHENTICATIONAUTHENTICATIONAUTHENTICATE:-AUTHENTICATE:-
BRAVOBRAVOMRC 28MRC 28 Callsign list shows Sqn No as :Callsign list shows Sqn No as :
378378
- Sqn number in reverse
878733
Reverse the Number
AUTHENTICATIONAUTHENTICATION
AUTHENTICATE:-AUTHENTICATE:-
CHARLIECHARLIE -- Sqn number Sqn number added toadded to datedate
MRC 16 Callsign list shows Sqn No as :
5 FDate is 12 April
+ 12 = 17
AUTHENTICATIONAUTHENTICATIONAUTHENTICATE:-AUTHENTICATE:-
CHARLIECHARLIE -- Sqn number Sqn number added toadded to datedate
Callsign list shows Sqn No as :
MRL 47
1374 +Date is 30 Date is 30 NovemberNovember
30 = 1404
AUTHENTICATIONAUTHENTICATIONAUTHENTICATE:-AUTHENTICATE:- How will it sound?How will it sound?
MRC 16 This is MRC 56 Authenticate Charlie MRC 16 This is MRC 56 Authenticate Charlie Over.Over.
MRC 56 This is MRC 16 I Authenticate Charlie 17 Over.
MRC 16 This is MRC 56 Correct outMRC 16 This is MRC 56 Correct out
AUTHENTICATIONAUTHENTICATIONAUTHENTICATE:-AUTHENTICATE:-
DELTADELTA -- Callsign Callsign NumberNumber
added to dateadded to date
92 + 21 = 113
Date is 21 JulyDate is 21 July
Callsign MRV92
Group DiscussionGroup Discussion
Learning OutcomesLearning Outcomes
11 Understand how to conduct a Understand how to conduct a Radio Check.Radio Check.
22 Understand how to send a Understand how to send a message.message.
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