1. RADIO OPERATORS COURSE
AUSTRALIAN ARMY CADETS
CADET ADVANCED
RADIO OPERATORS COURSE
This presentation corresponds to Chapter 4 of the AAC CADET INSTRUCTOR
RADIO COMMUNICATIONS HANDBOOK
This course has been designed, written and developed by LTCOL(AAC) G.R. Newman– Martin, CSM, RFD
©LTCOL(AAC) G.R. NEWMAN-MARTIN, 2011

2. Radio Operator’s Course
Command Post
Radio Operator’s Course
Topic 4
RADIO CALLS

3. © LTCOL G. Newman– Martin 2011
CALLING
© LTCOL G. Newman– Martin 2011

4. CALLING
To communicate on a radio net, make an initial call (‘transmission’).
© LTCOL G. Newman– Martin 2011

5. CALLING
To communicate on a radio net, make an initial call (‘transmission’).
An initial call has several parts:
© LTCOL G. Newman– Martin 2011

6. Parts of an Initial Call

7. Parts of an Initial Call
CALLSIGN identifies station/s being called

8. Parts of an Initial Call
CALLSIGN identifies station/s being called
‘THIS IS’ proword – means callsign of caller follows

9. Parts of an Initial Call
CALLSIGN identifies station/s being called
‘THIS IS’ proword – means callsign of caller follows
CALLSIGN identifies caller

10. Parts of an Initial Call
CALLSIGN identifies station/s being called
‘THIS IS’ proword – means callsign of caller follows
CALLSIGN identifies caller
TEXT the message itself

11. Parts of an Initial Call
CALLSIGN identifies station/s being called
‘THIS IS’ proword – means callsign of caller follows
CALLSIGN identifies caller
TEXT the message itself
ENDING:

12. Parts of an Initial Call
CALLSIGN identifies station/s being called
‘THIS IS’ proword – means callsign of caller follows
CALLSIGN identifies caller
TEXT the message itself
ENDING:
‘OVER’ proword – means ‘your turn to talk, NOW’

13. Parts of an Initial Call
CALLSIGN identifies station/s being called
‘THIS IS’ proword – means callsign of caller follows
CALLSIGN identifies caller
TEXT the message itself
ENDING:
‘OVER’ proword – means ‘your turn to talk, NOW’
‘OUT’ proword – ‘end of my transmission, no answer required (or expected)’

14. © LTCOL G. Newman– Martin 2011
ANSWERING
© LTCOL G. Newman– Martin 2011

15. ANSWERING An answer to an initial call has several parts:
An answer to an initial call has several parts:
© LTCOL G. Newman– Martin 2011

16. © LTCOL G. Newman– Martin 2011
Parts of an answer – 1
CALLSIGN identifies station/s now being called
© LTCOL G. Newman– Martin 2011

17. © LTCOL G. Newman– Martin 2011
Parts of an answer – 2
CALLSIGN identifies station/s now being called
‘THIS IS’ proword – means callsign of caller
follows – compulsory in first reply
© LTCOL G. Newman– Martin 2011

18. © LTCOL G. Newman– Martin 2011
Parts of an answer – 3
CALLSIGN identifies station/s now being called
‘THIS IS’ proword – means callsign of caller
follows – compulsory in first reply
CALLSIGN identifies caller now calling
© LTCOL G. Newman– Martin 2011

19. © LTCOL G. Newman– Martin 2011
Parts of an answer – 4
CALLSIGN identifies station/s now being called
‘THIS IS’ proword – means callsign of caller
follows – compulsory in first reply
CALLSIGN identifies caller now calling
RECEIPT
© LTCOL G. Newman– Martin 2011

20. © LTCOL G. Newman– Martin 2011
Parts of an answer – 5
RECEIPT:
‘ROGER’, or
© LTCOL G. Newman– Martin 2011

21. © LTCOL G. Newman– Martin 2011
Parts of an answer – 6
RECEIPT:
‘ROGER’, or
‘WILCO’, or
© LTCOL G. Newman– Martin 2011

22. © LTCOL G. Newman– Martin 2011
Parts of an answer – 7
RECEIPT:
‘ROGER’, or
‘WILCO’, or
‘WAIT’
© LTCOL G. Newman– Martin 2011

23. © LTCOL G. Newman– Martin 2011
Parts of an answer – 8
‘ROGER’ proword – means
© LTCOL G. Newman– Martin 2011

24. © LTCOL G. Newman– Martin 2011
Parts of an answer – 9
‘ROGER’ proword – means
‘Message received’ and
© LTCOL G. Newman– Martin 2011

25. © LTCOL G. Newman– Martin 2011
Parts of an answer – 10
‘ROGER’ proword – means
‘Message received’ and
‘I understand’
© LTCOL G. Newman– Martin 2011

26. © LTCOL G. Newman– Martin 2011
Parts of an answer – 11
‘ROGER’ proword – means
‘Message received’ and
‘I understand’
‘WILCO’ proword – means:
© LTCOL G. Newman– Martin 2011

27. © LTCOL G. Newman– Martin 2011
Parts of an answer – 11
‘ROGER’ proword – means
‘Message received’ and
‘I understand’
‘WILCO’ proword – means:
Message received, and
© LTCOL G. Newman– Martin 2011

28. © LTCOL G. Newman– Martin 2011
Parts of an answer – 12
‘ROGER’ proword – means
‘Message received’ and
‘I understand’
‘WILCO’ proword – means:
Message received, and
I understand, and
© LTCOL G. Newman– Martin 2011

29. © LTCOL G. Newman– Martin 2011
Parts of an answer – 13
‘ROGER’ proword – means
‘Message received’ and
‘I understand’
‘WILCO’ proword – means:
Message received, and
I understand, and
I will comply.
© LTCOL G. Newman– Martin 2011

30. © LTCOL G. Newman– Martin 2011
Parts of an answer – 14
‘WAIT’ proword – means:
© LTCOL G. Newman– Martin 2011

31. © LTCOL G. Newman– Martin 2011
Parts of an answer – 15
‘WAIT’ proword – means:
Your message received, and
© LTCOL G. Newman– Martin 2011

32. © LTCOL G. Newman– Martin 2011
Parts of an answer – 16
‘WAIT’ proword – means:
Your message received, and
There will be a brief delay – less than 5 seconds, and
© LTCOL G. Newman– Martin 2011

33. © LTCOL G. Newman– Martin 2011
Parts of an answer – 17
‘WAIT’ proword – means:
Your message received, and
There will be a brief delay – less than 5 seconds, and
No other station is to transmit during this pause.
© LTCOL G. Newman– Martin 2011

34. © LTCOL G. Newman– Martin 2011
Parts of an answer – 18
ENDING:
‘OVER’ or
‘OUT’ or
‘WAIT OUT’ or
‘OUT TO YOU’
© LTCOL G. Newman– Martin 2011

35. © LTCOL G. Newman– Martin 2011
Parts of an answer – 19
‘WAIT OUT’
© LTCOL G. Newman– Martin 2011

36. © LTCOL G. Newman– Martin 2011
Parts of an answer – 20
‘WAIT OUT’
Proword – means:
© LTCOL G. Newman– Martin 2011

37. © LTCOL G. Newman– Martin 2011
Parts of an answer – 21
‘WAIT OUT’
Proword – means:
Received your message, and
© LTCOL G. Newman– Martin 2011

38. © LTCOL G. Newman– Martin 2011
Parts of an answer – 22
‘WAIT OUT’
Proword – means:
Received your message, and
There will be a delay more than 5 seconds, and
© LTCOL G. Newman– Martin 2011

39. © LTCOL G. Newman– Martin 2011
Parts of an answer – 23
‘WAIT OUT’
Proword – means:
‘Received your message,
There will be a delay more than 5 seconds, and
I will come back to you later, and
© LTCOL G. Newman– Martin 2011

40. © LTCOL G. Newman– Martin 2011
Parts of an answer – 24
‘WAIT OUT’
Proword – means:
‘Received your message,
There will be a delay more than 5 seconds,
I will come back to you later, and
Any station is free to transmit now.
© LTCOL G. Newman– Martin 2011

41. © LTCOL G. Newman– Martin 2011
Parts of an answer – 25
‘OUT TO YOU’
© LTCOL G. Newman– Martin 2011

42. © LTCOL G. Newman– Martin 2011
Parts of an answer – 26
‘OUT TO YOU’
Proword – means:
© LTCOL G. Newman– Martin 2011

43. © LTCOL G. Newman– Martin 2011
Parts of an answer – 27
‘OUT TO YOU’
Proword – means:
‘This ends my transmission to you,
© LTCOL G. Newman– Martin 2011

44. © LTCOL G. Newman– Martin 2011
Parts of an answer – 28
‘OUT TO YOU’
Proword – means:
‘This ends my transmission to you,
No answer needed,
© LTCOL G. Newman– Martin 2011

45. © LTCOL G. Newman– Martin 2011
Parts of an answer – 29
‘OUT TO YOU’
Proword – means:
‘This ends my transmission to you,
No answer needed,
I am going to call another station
immediately.
© LTCOL G. Newman– Martin 2011

46. TYPES OF CALLS

47. © LTCOL G. Newman– Martin 2011
Types of calls
Single call
© LTCOL G. Newman– Martin 2011

48. © LTCOL G. Newman– Martin 2011
Types of calls
Single call
Multiple call
© LTCOL G. Newman– Martin 2011

49. © LTCOL G. Newman– Martin 2011
Types of calls
Single call
Multiple call
Net call
© LTCOL G. Newman– Martin 2011

50. © LTCOL G. Newman– Martin 2011
Types of calls
Single call
Multiple call
Net call
Collective call
© LTCOL G. Newman– Martin 2011

51. © LTCOL G. Newman– Martin 2011
Types of calls
Single call
Multiple call
Net call
Collective call
Exempt call
© LTCOL G. Newman– Martin 2011

52. SINGLE CALL

53. A call from any station to only one station on the net
Single call
A call from any station to only one station on the net

54. callsign Zero Alpha (0A)
EXAMPLE OF SINGLE CALL
Net control station,
callsign Zero Alpha (0A) 0A
© LTCOL G. Newman– Martin 2011

55. callsign Zero Alpha (0A)
EXAMPLE OF SINGLE CALL
Net control station,
callsign Zero Alpha (0A)
calls substation Two One (21) 0A 21
© LTCOL G. Newman– Martin 2011

56. © LTCOL G. Newman– Martin 2011
EXAMPLE OF SINGLE CALL
NCS initiates the call:
“21 – THIS IS 0A – Move now – OVER”
© LTCOL G. Newman– Martin 2011

57. © LTCOL G. Newman– Martin 2011
EXAMPLE OF SINGLE CALL
NCS initiates the call:
“21 – THIS IS 0A – Move now – OVER”
21 replies:
“(0A) – (THIS IS) 21 – cannot comply for 10 minutes – OVER”
© LTCOL G. Newman– Martin 2011

58. © LTCOL G. Newman– Martin 2011
EXAMPLE OF SINGLE CALL
NCS initiates the call:
“21 – THIS IS 0A – Move now – OVER”
21 replies:
“(0A) – (THIS IS) 21 – cannot comply for 10 minutes – OVER”
NCS (as the initiating station) ends call:
“(21) – (THIS IS) 0A – (ROGER) – OUT”.
© LTCOL G. Newman– Martin 2011

59. MULTIPLE CALL

60. A call from any station to two or more stations on the net
Multiple call
A call from any station to two or more stations on the net

61. Multiple call
A call from any station to two or more stations on the net
……but NOT to all stations on the net

62. EXAMPLE OF MULTIPLE CALL
Two One (21) 21
© LTCOL G. Newman– Martin 2011

63. EXAMPLE OF MULTIPLE CALL
Two One (21) calls 21A, 21B and 21C
21A 21
21B
21C
© LTCOL G. Newman– Martin 2011

64. EXAMPLE OF MULTIPLE CALL
21 initiates the call:
“21A – 21B – 21C – THIS IS 21 – Move now – OVER”
© LTCOL G. Newman– Martin 2011

65. EXAMPLE OF MULTIPLE CALL
21 initiates the call:
“21A – 21B – 21C – THIS IS 21 – Move now – OVER”
21A replies:
“(21) – (THIS IS) 21A – (WILCO) – OVER”
© LTCOL G. Newman– Martin 2011

66. EXAMPLE OF MULTIPLE CALL
21 initiates the call:
“21A – 21B – 21C – THIS IS 21 – Move now – OVER”
21A replies:
“(21) – (THIS IS) 21A – (WILCO) – OVER”
21B replies:
“(21) – (THIS IS) 21B – (WILCO) – OVER”
© LTCOL G. Newman– Martin 2011

67. EXAMPLE OF MULTIPLE CALL
21 initiates the call:
“21A – 21B – 21C – THIS IS 21 – Move now – OVER”
21A replies:
“(21) – (THIS IS) 21A – (WILCO) – OVER”
21B replies:
“(21) – (THIS IS) 21B – (WILCO) – OVER”
21C replies:
“(21) – (THIS IS) 21C – (WILCO) – OVER”
© LTCOL G. Newman– Martin 2011

68. EXAMPLE OF MULTIPLE CALL
21 initiates the call:
“21A – 21B – 21C – THIS IS 21 – Move now – OVER”
21A replies:
“(21) – (THIS IS) 21A – (WILCO) – OVER”
21B replies:
“(21) – (THIS IS) 21B – (WILCO) – OVER”
21C replies:
“(21) – (THIS IS) 21C – (WILCO) – OVER”
21 (as initiating station) replies:
“(21A)–(21B)–(21C) – (THIS IS) 0A – OUT”

69. NET CALL

70. A call to ALL stations on the net using a pre– arranged net callsign

71. © LTCOL G. Newman– Martin 2011
EXAMPLE OF NET CALL
Zero Alpha (0A) calls 0A
© LTCOL G. Newman– Martin 2011

72. © LTCOL G. Newman– Martin 2011
EXAMPLE OF NET CALL
Zero Alpha (0A) calls
all stations on the net
11, 12, 13, 14 11 13 0A 12 14
© LTCOL G. Newman– Martin 2011

73. EXAMPLE OF NET CALL
Net callsign is Xray Papa (XP) XP 11 13 0A 12 14

74. © LTCOL G. Newman– Martin 2011
EXAMPLE OF NET CALL
0A initiates the call:
“XRAY PAPA – THIS IS 0A – vehicle has departed this loc – OVER”
© LTCOL G. Newman– Martin 2011

75. © LTCOL G. Newman– Martin 2011
EXAMPLE OF NET CALL
0A initiates the call:
“XRAY PAPA – THIS IS 0A – vehicle has departed this loc – OVER”
11 replies:
“(0A) – (THIS IS) 11 – (ROGER) – OVER”
© LTCOL G. Newman– Martin 2011

76. © LTCOL G. Newman– Martin 2011
EXAMPLE OF NET CALL
0A initiates the call:
“XRAY PAPA – THIS IS 0A – vehicle has departed this loc – OVER”
11 replies:
“(0A) – (THIS IS) 11 – (ROGER) – OVER”
12 replies:
“(0A) – (THIS IS) 12 – (ROGER) – OVER”
© LTCOL G. Newman– Martin 2011

77. © LTCOL G. Newman– Martin 2011
EXAMPLE OF NET CALL
0A initiates the call:
“XRAY PAPA – THIS IS 0A – vehicle has departed this loc – OVER”
11 replies:
“(0A) – (THIS IS) 11 – (ROGER) – OVER”
12 replies:
“(0A) – (THIS IS) 12 – (ROGER) – OVER”
13 replies:
“(0A) – (THIS IS) 13 – (ROGER) – OVER”
© LTCOL G. Newman– Martin 2011

78. © LTCOL G. Newman– Martin 2011
EXAMPLE OF NET CALL
0A initiates the call:
“XRAY PAPA – THIS IS 0A – vehicle has departed this loc – OVER”
11 replies:
“(0A) – (THIS IS) 11 – (ROGER) – OVER”
12 replies:
“(0A) – (THIS IS) 12 – (ROGER) – OVER
13 replies:
“(0A) – (THIS IS) 13 – (ROGER) – OVER”
14 replies:
“(0A) – (THIS IS) 14 – (ROGER) – OVER” 
© LTCOL G. Newman– Martin 2011

79. EXAMPLE OF NET CALL 0A initiates the call:
“XRAY PAPA – THIS IS 0A – vehicle has departed this loc – OVER”
11 replies:
“(0A) – (THIS IS) 11 – (ROGER) – OVER”
12 replies:
“(0A) – (THIS IS) 12 – (ROGER) – OVER”
13 replies:
“(0A) – (THIS IS) 13 – (ROGER) – OVER”
14 replies:
“(0A) – (THIS IS) 14 – (ROGER) – OVER”.  
0A (as initiating station) ends:
“(XP) – (THIS IS) 0A – OUT”.  

80. COLLECTIVE CALL

81. A call to several stations on the net – but NOT all stations
Collective call
A call to several stations on the net – but NOT all stations

82. Collective call
A call to several stations on the net – but NOT all stations
….using a pre– arranged collective callsign

83. EXAMPLE OF COLLECTIVE CALL Zero Alpha (0A) and 6 substations are on the net: 10, 20, 30, 40, 50, 6010 30 0A 20 40 50 60

84. © LTCOL G. Newman– Martin 2011
EXAMPLE OF COLLECTIVE CALL Zero Alpha (0A) calls only four stations on the net – 10, 20, 30, 40. 10 30 0A 20 40
© LTCOL G. Newman– Martin 2011

85. There are two other stations on the net (50, 60) which are not called.10 30 0A 20 40 X X 50 60
© LTCOL G. Newman– Martin 2011

86. The Collective Callsign for 10, 20, 30 and 40 is ‘Charlie Charlie One’ (CC1)10 10 30 30 0A 20 20 40 40 X X 50 60

87. EXAMPLE OF COLLECTIVE CALL
NCS initiates call:
“CHARLIE CHARLIE 1 – THIS IS 0A – Moving now – OVER”
© LTCOL G. Newman– Martin 2011

88. EXAMPLE OF COLLECTIVE CALL
NCS initiates call:
“CHARLIE CHARLIE 1 – THIS IS 0A – Moving now – OVER”
10 replies:
“(0A) – (THIS IS) 10 – (ROGER) – OVER”
© LTCOL G. Newman– Martin 2011

89. EXAMPLE OF COLLECTIVE CALL
NCS initiates call:
“CHARLIE CHARLIE 1 – THIS IS 0A – Moving now – OVER”
10 replies:
“(0A) – (THIS IS) 10 – (ROGER) – OVER”
20 replies:
“(0A) – (THIS IS) 20 – (ROGER) – OVER”
© LTCOL G. Newman– Martin 2011

90. EXAMPLE OF COLLECTIVE CALL
NCS initiates call:
“CHARLIE CHARLIE 1 – THIS IS 0A – Moving now – OVER”
10 replies:
“(0A) – (THIS IS) 10 – (ROGER) – OVER”
20 replies:
“(0A) – (THIS IS) 20 – (ROGER) – OVER”
30 replies:
“(0A) – (THIS IS) 30 – (ROGER) – OVER”
© LTCOL G. Newman– Martin 2011

91. EXAMPLE OF COLLECTIVE CALL
NCS initiates call:
“CHARLIE CHARLIE 1 – THIS IS 0A – Moving now – OVER”
10 replies:
“(0A) – (THIS IS) 10 – (ROGER) – OVER”
20 replies:
“(0A) – (THIS IS) 20 – (ROGER) – OVER”
30 replies:
“(0A) – (THIS IS) 30 – (ROGER) – VER”
40 replies:
“(0A) – (THIS IS) 40 – (ROGER) – OVER”
© LTCOL G. Newman– Martin 2011

92. EXAMPLE OF COLLECTIVE CALL
NCS initiates call:
“CHARLIE CHARLIE 1 – THIS IS 0A – Moving now – OVER”
10 replies:
“(0A) – (THIS IS) 10 – (ROGER) – OVER”
20 replies:
“(0A) – (THIS IS) 20 – (ROGER) – OVER”
30 replies:
“(0A) – (THIS IS) 30 – (ROGER) – OVER”
40 replies:
“(0A) – (THIS IS) 40 – (ROGER) – OVER”
0A (as originating station) ends:
“(0A) – (THIS IS) 40 – (ROGER) – OUT”

93. EXEMPT CALL

94. Exempt call
In a net call OR a collective call, if one or more stations is not required to answer or comply, use the proword EXEMPT.

95. EXAMPLE OF EXEMPT CALL
Net comprises 0A, 11, 12, 13, 14 11 13 0A 12 14

96. EXAMPLE OF EXEMPT CALL Net callsign is Xray Papa (XP) XP 11 13 0A 12
Net callsign is Xray Papa (XP) XP 11 13 0A 12 14

97. © LTCOL G. Newman– Martin 2011
EXAMPLE OF EXEMPT CALL
Zero Alpha (0A) calls three stations on the net – 11, 12, 14…. 11 13 0A 12 14
© LTCOL G. Newman– Martin 2011

98. © LTCOL G. Newman– Martin 2011
EXAMPLE OF EXEMPT CALL
Zero Alpha (0A) calls three stations on the net – 11, 12,14…. and does not want 13 to answer or comply 11 13 X 0A 12 14
© LTCOL G. Newman– Martin 2011

99. © LTCOL G. Newman– Martin 2011
EXAMPLE OF EXEMPT CALL
Zero Alpha (0A) calls three stations on the net – 11, 12,14…. and does not want 13 to answer or comply
EXEMPT 11 13 X 0A 12 14
© LTCOL G. Newman– Martin 2011

100. © LTCOL G. Newman– Martin 2011
EXAMPLE OF EXEMPT CALL
0A initiates the call:
“XRAY PAPA – THIS IS 0A – EXEMPT 13 – Move now – OVER”
© LTCOL G. Newman– Martin 2011

101. © LTCOL G. Newman– Martin 2011
EXAMPLE OF EXEMPT CALL
0A initiates the call:
“XRAY PAPA – THIS IS 0A – EXEMPT 13 – Move now – OVER”
11 replies:
“(0A) – (THIS IS) 11 – (WILCO) – OVER”
© LTCOL G. Newman– Martin 2011

102. © LTCOL G. Newman– Martin 2011
EXAMPLE OF EXEMPT CALL
0A initiates the call:
“XRAY PAPA – THIS IS 0A – EXEMPT 13 – Move now – OVER”
11 replies:
“(0A) – (THIS IS) 11 – (WILCO) – OVER”
12 replies:
“(0A) – (THIS IS) 12 – (WILCO) – OVER”
© LTCOL G. Newman– Martin 2011

103. © LTCOL G. Newman– Martin 2011
EXAMPLE OF EXEMPT CALL
0A initiates the call:
“XRAY PAPA – THIS IS 0A – EXEMPT 13 – Move now – OVER”
11 replies:
“(0A) – (THIS IS) 11 – (WILCO) – OVER”
12 replies:
“(0A) – (THIS IS) 12 – (WILCO) – OVER”
14 replies:
“(0A) – (THIS IS) 14 – (WILCO) – OVER”
© LTCOL G. Newman– Martin 2011

104. EXAMPLE OF EXEMPT CALL 0A initiates the call:
“XRAY PAPA – THIS IS 0A – EXEMPT 13 – Move now – OVER”
11 replies:
“(0A) – (THIS IS) 11 – (WILCO) – OVER”
12 replies:
“(0A) – (THIS IS) 12 – (WILCO) – OVER”
14 replies:
“(0A) – (THIS IS) 14 – (WILCO) – OVER”
0A (as initiating station) ends:
“(0A) – (THIS IS) 14 – (WILCO) – OUT”

105. © LTCOL G. Newman– Martin 2011
ABBREVIATED
AND
FULL PROCEDURE
© LTCOL G. Newman– Martin 2011

106. ABBREVIATED PROCEDURE
© LTCOL G. Newman– Martin 2011

107. © LTCOL G. Newman– Martin 2011
Under normal working conditions procedure is made simpler or ‘abbreviated’ to save time and improve security
© LTCOL G. Newman– Martin 2011

108. © LTCOL G. Newman– Martin 2011
Procedure is abbreviated by:
© LTCOL G. Newman– Martin 2011

109. © LTCOL G. Newman– Martin 2011
Procedure is abbreviated by:
omitting the callsign of the called
station other than in the initial
call,
© LTCOL G. Newman– Martin 2011

110. © LTCOL G. Newman– Martin 2011
Procedure is abbreviated by:
omitting the callsign of the called
station other than in the initial
call,
omitting any non– essential
prowords (such as THIS IS), in a
single call,
© LTCOL G. Newman– Martin 2011

111. Procedure is abbreviated by:
omitting the callsign of the called
station other than in the initial
call,
omitting any non– essential
prowords (such as THIS IS), in a
single call,
omitting ALL callsigns after the
initial call and reply.

112. EXAMPLE OF ABBREVIATED PROCEDURE
© LTCOL G. Newman– Martin 2011

113. EXAMPLE OF ABBREVIATED PROCEDURE
Substation Two Two Alpha (22A) calls substation Two two Bravo (22B)
22B
22A
© LTCOL G. Newman– Martin 2011

114. EXAMPLE OF ABBREVIATED PROCEDURE
22A initiates call:
“22B – THIS IS 22A – Is PLAYTIME with you – OVER”
© LTCOL G. Newman– Martin 2011

115. EXAMPLE OF ABBREVIATED PROCEDURE
22A initiates call:
“22B – THIS IS 22A – Is PLAYTIME with you
– OVER”
22B replies:
“22B – No – He left five minutes ago”
© LTCOL G. Newman– Martin 2011

116. EXAMPLE OF ABBREVIATED PROCEDURE
22A initiates call:
“22B – THIS IS 22A – Is PLAYTIME with you
– OVER”
22B replies:
“22B – No – He left five minutes ago”
22A replies:
“Has he gone to CALLSIGN Two Two Charlie?”
© LTCOL G. Newman– Martin 2011

117. EXAMPLE OF ABBREVIATED PROCEDURE
22A initiates call:
“22B – THIS IS 22A – Is PLAYTIME with you
– OVER”
22B replies:
“22B – No – He left five minutes ago”
22A replies:
“Has he gone to CALLSIGN Two Two Charlie?”
“YES ”
© LTCOL G. Newman– Martin 2011

118. EXAMPLE OF ABBREVIATED PROCEDURE
22A initiates call:
“22B – THIS IS 22A – Is PLAYTIME with you
– OVER”
22B replies:
“22B – No – He left five minutes ago”
22A replies:
“Has he gone to CALLSIGN Two Two Charlie”
“YES ”
22A (as initiating station) ends:
“22A – OUT”

119. FULL PROCEDURE

120. © LTCOL G. Newman– Martin 2011
When conditions deteriorate so that abbreviated procedure causes unnecessary repetitions, NCS will order the use of
full procedure
© LTCOL G. Newman– Martin 2011

121. © LTCOL G. Newman– Martin 2011
This is done by using the net callsign, followed by the proword USE FULL PROCEDURE.
© LTCOL G. Newman– Martin 2011

122. © LTCOL G. Newman– Martin 2011
Substations acknowledge in turn using the proword WILCO.
© LTCOL G. Newman– Martin 2011

123. © LTCOL G. Newman– Martin 2011
Under full procedure, callsigns and prowords which were optional under abbreviated procedure then become mandatory.
© LTCOL G. Newman– Martin 2011

124. EXAMPLE OF FULL PROCEDURE
NCS initiates call:
“XRAY PAPA – THIS IS 0A – USE FULL PROCEDURE – OVER”
© LTCOL G. Newman– Martin 2011

125. EXAMPLE OF FULL PROCEDURE
NCS initiates call:
“XRAY PAPA – THIS IS 0A – USE FULL PROCEDURE – OVER”
11 replies:
“0A – THIS IS 11 – WILCO – OVER”
© LTCOL G. Newman– Martin 2011

126. EXAMPLE OF FULL PROCEDURE
NCS initiates call:
“XRAY PAPA – THIS IS 0A – USE FULL PROCEDURE – OVER”
11 replies:
“0A – THIS IS 11 – WILCO – OVER”
12 replies:
“0A – THIS IS 12 – WILCO – OVER”
© LTCOL G. Newman– Martin 2011

127. EXAMPLE OF FULL PROCEDURE
NCS initiates call:
“XRAY PAPA – THIS IS 0A – USE FULL PROCEDURE – OVER”
11 replies:
“0A – THIS IS 11 – WILCO – OVER”
12 replies:
“0A – THIS IS 12 – WILCO – OVER”
13 replies:
“0A – THIS IS 13 – WILCO – OVER”
© LTCOL G. Newman– Martin 2011

128. EXAMPLE OF FULL PROCEDURE
NCS initiates call:
“XRAY PAPA – THIS IS 0A – USE FULL PROCEDURE – OVER”
11 replies:
“0A – THIS IS 11 – WILCO – OVER”
12 replies:
“0A – THIS IS 12 – WILCO – OVER”
13 replies:
“0A – THIS IS 13 – WILCO – OVER”
14 replies:
“0A – THIS IS 14 – WILCO – OVER”
© LTCOL G. Newman– Martin 2011

129. EXAMPLE OF FULL PROCEDURE
NCS initiates call:
“XRAY PAPA – THIS IS 0A – USE FULL PROCEDURE – OVER”
11 replies:
“0A – THIS IS 11 – WILCO – OVER”
12 replies:
“0A – THIS IS 12 – WILCO – OVER”
13 replies:
“0A – THIS IS 13 – WILCO – OVER”
14 replies:
“0A – THIS IS 14 – WILCO – OVER”
0A (as initiating station) ends:
“XRAY PAPA – THIS IS 0A – OUT”

130. © LTCOL G. Newman– Martin 2011
ANSWERING ORDER
© LTCOL G. Newman– Martin 2011

131. © LTCOL G. Newman– Martin 2011
ANSWERING ORDER When stations answer in turn, order of answering is in alphabetical order and/or numerical sequence of callsign: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
© LTCOL G. Newman– Martin 2011

132. © LTCOL G. Newman– Martin 2011
Figures 1 to 9 are treated as if they were the 26th to 36th letters of the alphabet, zero the 37th.
© LTCOL G. Newman– Martin 2011

133. © LTCOL G. Newman– Martin 2011
ANSWERING ORDER
If station fails to answer in sequence, next station waits 5 seconds, then answers.
© LTCOL G. Newman– Martin 2011

134. © LTCOL G. Newman– Martin 2011
ANSWERING ORDER
If station fails to answer in sequence, next station waits 5 seconds, then answers.
Missing station must wait until all other stations have answered, then answer.
© LTCOL G. Newman– Martin 2011

135. © LTCOL G. Newman– Martin 2011
ANSWERING ORDER
If station fails to answer in sequence, next station waits 5 seconds, then answers.
Missing station must wait until all other stations have answered, then answer.
After last station has answered in order, NCS waits 5 seconds for each station which failed to answer the call, before any further action.
© LTCOL G. Newman– Martin 2011

136. © LTCOL G. Newman– Martin 2011
ANSWERING ORDER
If station fails to answer in sequence, next station waits 5 seconds, then answers.
Missing station must wait until all other stations have answered, then answer.
After last station has answered in order, NCS waits 5 seconds for each station which failed to answer the call, before any further action.
If station still does not respond, NCS waits a further 5 seconds after last response, then initiates a new initial call to that station
© LTCOL G. Newman– Martin 2011

137. UNKNOWN STATION PROCEDURE
© LTCOL G. Newman– Martin 2011

138. UNKNOWN STATION PROCEDURE
A station may hear another station calling but fail to hear its callsign
© LTCOL G. Newman– Martin 2011

139. UNKNOWN STATION PROCEDURE
A station may hear another station calling but fail to hear its callsign
If this happens use the prowords UNKNOWN STATION and SAY AGAIN CALLSIGN
© LTCOL G. Newman– Martin 2011

140. EXAMPLE OF UNKNOWN STATION PROCEDURE
10 initiates call:
“22B – THIS IS 10 – Convoy has departed – OVER”
© LTCOL G. Newman– Martin 2011

141. EXAMPLE OF UNKNOWN STATION PROCEDURE
10 initiates call:
“22B – THIS IS 10 – Convoy has departed – OVER”
22B replies:
“UNKNOWN STATION – THIS IS 22B – SAY AGAIN CALLSIGN – OVER”
© LTCOL G. Newman– Martin 2011

142. EXAMPLE OF UNKNOWN STATION PROCEDURE
10 initiates call:
“22B – THIS IS 10 – Convoy has departed – OVER”
22B replies:
“UNKNOWN STATION – THIS IS 22B – SAY AGAIN CALLSIGN – OVER”
10 identifies itself:
“22B – THIS IS 10 – OVER”
© LTCOL G. Newman– Martin 2011

143. EXAMPLE OF UNKNOWN STATION PROCEDURE
10 initiates call:
“22B – THIS IS 10 – Convoy has departed – OVER”
22B replies:
“UNKNOWN STATION – THIS IS 22B – SAY AGAIN CALLSIGN – OVER”
10 replies:
“22B – THIS IS 10 – OVER”
22B acknowledges initial call:
“0A – THIS IS 10 – ROGER – OVER”

144. EXAMPLE OF UNKNOWN STATION PROCEDURE
10 initiates call:
“22B – THIS IS 10 – Convoy has departed – OVER”
22B replies:
“UNKNOWN STATION – THIS IS 22B – SAY AGAIN CALLSIGN – OVER”
10 replies:
“22B – THIS IS 10 – OVER”
22B acknowledges initial call:
“0A – THIS IS 10 – ROGER – OVER”
10 (as initiating station) ends call:
“22B – THIS IS 10 – OUT”

145. Do you have any questions?
© LTCOL G. Newman– Martin 2011