1. By:-Yam Raj Thani

2. RADIO TELEPHONY
PROCEDURE /]l8of] ldnfk
ljlw
/]l8of] Pp6f ldnfksf] ;fwg xf], h;sf]
dfWodjf6 Psn] csf]{ ;+u cfk;L s'/fsfgL
ug{ ;Sb5 . /]l8of]df ;lhn} ;Fu cfk;L
s'/fsfgL tyf vj/x? cfbfg k|bfg ug{sf] nflu
Pp6f ljwL -Procedure_ sf] cfjZostf kb{5 .
h;nfO{ /]l8of] ldnfk ljwL -Radio Telephony
Procedure) elgG5

3. RADIO TELEPHONY PROCEDURE
/]l8of] ldnfk ljlw
s= /]l8of]df jf]n]sf] c?n] klg ;'Gg ;Sb5 .
v= /]l8of]df jf]n]sf] s'/fx?nfO{ jfo'd08lno
u8j8L tyf cGo /]l8of] :6;gx? ljr eO{/x]sf]
ldnfkn] c;/ (Interference) kfl/ c:ki6 agfO{ lbg ;Sb5
. (Interference from atmospheric interference and interference from
other stations)
u= /]l8of] ;]6x?df k|fo u/]/ 6]lnkmf]gdf h:t}
Ps} kN6 b'O{ hgfn] jf]Ng ;Sg] k|fjwfg ;x'lnot
x'b}g .

4. Radio Etiquette
Do not break into another transmission except in
case of EMERGENCY.
Do not give out location, telephone number on
the radio.
Do not use the radio for personal talk.
Do not use word like FIRE, BOMB etc. on the
radio set. Use code words instead.

5. FIRE
F – Foxtrot
I – IndIa red Fox
r – romeo
e – echo
BomB
B – Bravo
o – oscar Blue sky
m – mIke
B - Bravo
CODE WORDS / PHONETIC ALPHABETS
PHONETIC ALPHABETS CODE WORDS

6. Principle of Radio Telephony Procedure
/]l8of] ldnfk ljlwsf l;4fGtx?_

7. Principle of Radio Telephony Procedure
/]l8of] ldnfk ljlwsf l;4fGtx?_
-s_ Brevity -5f]6s/L_
/]l8of]df s'/fx? cfbfg k|bfg ubf{
;s];Dd 5f]6f] tl/sfjf6 s'/fx? cfbfg
k|bfg ug{'kb{5 .

8. Principle of Radio Telephony Procedure
/]l8of] ldnfk ljlwsf l;4fGtx?_
-v_ Accuracy -b'?:t_
/]l8of]df cfbfg k|bfg ul/g] ljifo j:t'x?
h:t} ldlt, ;do / cGo vj/, cfb]z OTofbL
l7s 5 5}g klxn] g} Plsg u/L k7fpg'
kb{5 .

9. Principle of Radio Telephony Procedure
/]l8of] ldnfk ljlwsf l;4fGtx?_
-u_ Security -;'/Iff_
/]l8of]df af]n]sf] s'/fx? c?n]
klg ;'Gg ;Sg] x'Fbf rflxg] eGbf a9L
s'/fx? ug{' x'b}g .

10. Principle of Radio Telephony Procedure
/]l8of] ldnfk ljlwsf l;4fGtx?_
-3_ Speed -ult_
/]l8of] 4f/f h?/L t'?Gt sfof{Gjog ug{'
kg]{ s'/fx? -;"rgf, vj/ / lgb]{zg_ cfbfg
k|bfg ul/g] x'bf ;f] s'/fx? l7s ;dodf
cfbfg k|bfg x'g h?/L x'G5 .

11. Essentials of the Procedure
/]l8of]df a]fNg] lalwsf] cfwf/e"t
s'/fx?

12. Essentials of the Procedure
/]l8of]df a]fNg] lalwsf]
cfwf/e"t s'/fx?

13. Speech -aStAo ,af0fL_
• /]l8of]df a]fNbf Ps} gf;sf] :j/df
af]Ng' kb{5 . . l56f] af]Nbf ;'Gg]n]
ga'emg klg ;Sb5 eg] l9nf]
af]Nbf ;'Gg]nfO{ lbSs nfUg] ;Defjgf
klg x'G5 .

14. Essentials of the Procedure
/]l8of]df a]fNg] lalwsf] cfwf/e"t s'/fx?
Volume -:j/ _
• /]l8of]df af]Nbf ;fwf/0f s'/f u/] eGbf
7"nf] :j/df af]Ng' kb{5 . t/ lrRofpg'
eg] x'b}g . ;j} zAbx?nfO{ a/fj/ -plQs}_
cfjfhd pRrf/0f ug{'kb{5 .

15. Essentials of the Procedure
/]l8of]df a]fNg] lalwsf] cfwf/e"t s'/fx?
Pitch -ltvf]kg_
• Wf]fqf] :j/ eGbf ltvf] :j/ /]l8of]df
pko'Qm / k|i6 a'lemg] x'G5 . t;y{
;s] ;Dd ltvf] :j/n] af]Ng' kb{5 .

16. PARTS OF A PORTABLE RADIO HANDSET
• Microphone
• Channel
Selector
• Power Mode
Button
• Push To Talk
Button (PTT)
• Battery Pack
• Antennae
• Volume Selector
• Speaker
• Monitoring Screen
• Keypad
16

17. PHONETIC ALPHABETS:
• Whenever it is necessary, the letter will be
spoken as follows:
A Alfa J Juliet S Sierra
B Bravo K Kilo T Tango
C Charlie L Lima U Uniform
D Delta M Mike V Victor
E Echo N November WWhiskey
F Foxtrot O Oscar X X-ray
G Golf P Papa Y Yankee
H Hotel Q Quebec Z Zulu
I India R Romeo

18. A Alfa (AL-FAH)
B Bravo (BRAH-VOH)
C Charlie (CHAR-LEE) or (SHAR-LEE)
D Delta (DELL-TAH)
E Echo (ECK-OH)
F Foxtrot (FOKS-TROT)
G Golf (GOLF)
H Hotel (HOH-TEL)
I India (IN-DEE-AH)
J Juliett (JEW-LEE-ETT)
K Kilo (KEY-LOH)
L Lima (LEE-MAH)
M Mike (MIKE)
PHONETIC ALPHABETS:

19. N November (NO-VEM-BER)
O Oscar (OSS-CAH)
P Papa (PAH-PAH)
Q Quebec (KEH-BECK)
R Romeo (ROW-ME-OH)
S Sierra (SEE-AIR-RAH)
T Tango (TANG-GO)
U Uniform (YOU-NEE-FORM)or (OO-NEE-FORM)
V Victor (VIK-TAH)
W Whiskey (WISS-KEY)
X Xray (ECKS-RAY)
y Yankee (YANG-KEY)
z Zulu (ZOO-LOO)
PHONETIC ALPHABETS:

20. 1 One (WUN)
2 Two (TOO)
3 Three (TREE)
4 Four (FOW-ER)
5 Five (FIFE)
6 Six (SIX)
7 Seven (SEV-EN)
8 Eight (AIT)
9 Nine (NIN-ER)
0 Zero (ZEE-RO
PHONETIC ALPHABETS:

21. RADIO NET
• A number of radio stations operating on the same frequency
for the purpose of communication with one another is
termed a radio net.
-/]l8of] g]6_
-Pp6} lk|mSj]G;Ldf cfk;df ldnfk sfod u/L
/x]sf /]l8of] :6]zgx?nfO{ /]l8of] g]6 elgG5 ._
01 ZULU/ZERO/A1
6
02
(OPS Manager)
07
(Head Guard)
03
(Supervisor)
04
(Main Gate/
Turning point)
05
(Restaurant)
06
(Station Manager)
Control Station

22. LINK /CALL SIGN
• A call/link sign is a group of letters or letters and figures
allocated to a station on a radio communication network,
for concealing the identity of the station calling an
answering call.
-lnÍ÷sn
;fO{g_
cIf/ jf b'j} c+s / cIf/ ldn]/ ag]sf]] Pp6f ldl>t
;d"x,h;nfO{ af]nfpg] / af]nfO{g] /]l8of] :6]zgx?
sf] klxrfg 5'kfpg k|of]u ul/G5 .
No.1
STN
No.2
STN
No.3
STN
No.4
STN
DEF/E/A2/K2/DG
ABC/D/A1/K1/MD
GHI/F/A3/K3/HRD
JKL/G/A4/K4/TM
ZULU/ZERO/A16
Control Station

23. LINK /CALL SIGN
• Abbreviated designation could be used as link/call sign.
However, this would not provide adequate security cover to
designations calling and answering.
-lnÍ÷sn
;fO{g_
cf]xbf (Designation) nfO{ klg lnÍ (Link Sign) sf] ?kdf k|of]u
ug]{ k|rng cjnDag u/]sf] kfO{Psf] 5 . h:t} (Training
Manager) nfO{ af]nfpsf] nflu Call Sign (TM) (Tango Mike) k|of]u
ul/G5 . o:tf] sn ;fO{gsf] k|of]u ubf{ /]l8of]df s'g s'g
jf]xbflar jQf{ eO{/x]sf] 5, ;/f]sf/ gePsf JolQmx?n]
klg ;'g]/ cgdfg u/L yfxf kfpg ;Sb5g .
No.1
STN
No.2
STN
No.3
STN
No.4
STN
DEF/E/A2/K2/DG
ABC/D/A1/K1/MD
GHI/F/A3/K3/HRD
JKL/G/A4/K4/TM
ZULU/ZERO/A16
Control Station

24. TYPES OF CALL
• There are four types of calls as under
-sn k|sf/_
sn lgDg rf/ k|sf/sf] x'G5
Single callSingle call
-l;Ugn
sn_
-l;Ugn
sn_
Multiple callMultiple call
-dN6Lkn
sn_
-dN6Lkn
sn_
Net callNet call
-g]6
sn_
-g]6
sn_
Net call with exceptionNet call with exception
-s]xL :6];g jfx]s ul/g]
g]6sn_
-s]xL :6];g jfx]s ul/g]
g]6sn_
No.1
STN
No.2
STN
No.3
STN
No.4
STN
DEF/E/A2/K2/DG
ABC/D/A1/K1/MD
GHI/F/A3/K3/HRD
JKL/G/A4/K4/TM
ZULU/ZERO/A16
Control Station

25. STANDARD PHRASES
• Some of the frequently used phrases are
given below:
Over
11
My transmission has ended and I expect to hear a further
transmission form you on this subject.

26. STANDARD PHRASES
Out /Roger & Out
22
My transmission is ended and I do not expect you to make further
transmission on this subject.

27. STANDARD PHRASES
Out to you
33
I am finished with you and about to call another station: No reply
is expected from you.

28. STANDARD PHRASES
44
Wait /Standby
Wait and I will call you back in a few second.

29. STANDARD PHRASES
55
Wait Out
I have finished for the time being and will call you again later.
Other station may transmit.

30. STANDARD PHRASES
66
Wilco
Message received, understood, and will be completed with
accordingly.

31. STANDARD PHRASES
88
Acknowledge
Let me know that you have received and understood this
message.

32. STANDARD PHRASES
99
Ok
Everything is ok or normal situation .

33. STANDARD PHRASES
Go Ahead / Send your message.Go Ahead / Send your message.1010
I am ready to receive your message. Carry on. Proceed with your
message.

34. STANDARD PHRASES
Say again.Say again.1111
Re- transmit your message or repeat again.

35. STANDARD PHRASES
I Say again.I Say again.1212
I repeat for clarity.

36. STANDARD PHRASES
Negative.Negative.1313
No or that is not correct.

37. Yes or that is correct.
STANDARD PHRASES
Positive.Positive.1414

38. STANDARD PHRASES
Correction.Correction.1515
An error has been made in the transmission.The correct version
is……………….

39. STANDARD
PHRASES
Radio check, How do you read me or
Report my signal.
Radio check, How do you read me or
Report my signal.
1616
What is readability of my transmission ?

40. STANDARD PHRASES
1717
Perfectly Readable
OR
Loud and Clear
OR
Strength 5
Signal is very good. Perfectly readable

41. STANDARD PHRASES
1818
Readable
OR
Strength 4
Signal is good; readable

42. STANDARD PHRASES
1919
Readable with difficulty
OR
Strength 3
Signal fairly good; readable, but with difficulty.

43. STANDARD PHRASES
2020
Readable Now and then
OR
Strength 2
Signal weak; readable now and then

44. STANDARD PHRASES
2121
Unreadable
OR
Strength 1
Signal very weak; voice communication impossible

45. STANDARD PHRASES
Roger
Used by the receiving station to indicate that it has received and
understood the message.
2222

46. PRACTICE MAKES MAN PERFECT
PRIOR TO TRANSMITTING :
Before you start to transmit you must make sure of the following factors:
1. Ensure that your radio is switched on.
2. Ensure that you have selected the correct frequency.
3. Ensure that the volume is turned – up and no one else is transmitting.
4. Think of what you want to say and how you say it before you transmit .
5. When you are not sure what was said to you, ask ‘’ Say again ‘’.
6. Make sure that you are not using a faulty radio .
7. Don’t speak immediately when you press the PTT ( Push To Talk ) bottom.
Wait a few second.
8. Speak clearly in a normal voice with the radio about 2 inches from your
lips.

47. RT PROCEDURE
EXERCISESRADIO CHECK/STAND BY OVER.
CONTROL STATION (C): ALL STATION THIS IS “C” STAND BY
OVER.
STATION (TD1): “C” THIS IS “TD1” GO AHEAD / SEND
YOUR
MESSAGE OVER.
CONTROL STATION (C): ALL STATION THIS IS “C” RADIO
CHECK OVER.
STATION (TD1): “C” THIS IS “TD1” YOU ARE LOUD AND
CLEAR
OVER.
CONTROL STATION (C): “TD1” ROGER
STATION (TD2): “C” THIS IS “TD2” STRENGTH - 5 OVER.
CONTROL STATION (C): “TD2” ROGER

48. RT PROCEDURE
EXERCISESREPORTING THE NUMBER OF GUARDS
CONTROL STATION (C): ALL STATION THIS IS “C” SEND YOUR
TOTAL NUMBER OF GUARD IN YOUR POST OVER.
STATION (TD1) :“C” THIS IS “TD1” TOTAL NUMBER FIGURE ONE
ONE (11) OVER.
CONTROL STATION (C): “TD1” ROGER.
STATION (TD2): “TD2” FIGURE 15 (ONE FIVE) OVER.
CONTROL STATION (C): “TD2” ROGER.

49. RT PROCEDURE
EXERCISES
REPORT TO CONTROL STATION
CONTROL STATION (C): ALL STATION THIS IS “C” SEND
YOUR TEAM LEADER TO THE CONTROL STATION BY 0900 Hrs.
OVER.
STATION (TD1): “C” THIS IS “TD1” WILCO OVER.
CONTROL STATION (C): “TD1” ROGER AND OUT.
STATION (DT2): “C” THIS IS “TD2” SAY AGAIN OVER.
CONTROL STATION (C): “TD2” SEND YOUR TEAM LEADER TO
THE CONTROL STATION BY 0900 Hrs. OVER.
STATION (TD2): WILCO OVER.
CONTROL STATION (C): “TD2” ROGER AND OUT.

50. RT PROCEDURE
EXERCISESACKNOWLEDGE OVER
CONTROL STATION (C): ALL STATION THIS IS “C” SEND
YOUR ONE PERSON TO CONTROL STATION BY 1300 HRS,
ACKNOWLEDGE OVER.
STATION (TD1): “C” THIS IS “TD1” SEND ONE PERSON TO
CONTROL STATION BY 1300 HRS, OVER.
CONTROL STATION (C): “TD1” ROGER
STATION (TD2): “C” THIS IS “TD2” MESSAGE COPIED OVER.
CONTROL STATION (C): “TD2” ROGER

51. RT PROCEDURE
EXERCISESCONTROL STATION (C):“TD1” THIS IS “C” GUARD RAM BAHADUR
THAPA MAGAR WILL ARRIVE THERE AT 1400 (ONE FOUR ZERO
ZERO) Hrs. OVER .
STATION (TD1): “C” THIS IS “TD1” ROGER .
CONTROL STATION (C): “TD1” OUT TO YOU OVER .

52. “JUST DO IT”
THANK YOU