Radio Equipment

Formal Message

Formal message parts should be transmitted in the following order:

preliminary call;


abbreviated call with relay and transmission instructions, if any (READ BACK, RELAY TO, etc.);

precedence(normally one of the following: FLASH, Emergency, IMMEDIATE, PRIORITY or ROUTINE);

date and time group (14 0630 Z Jan);

proword FROM followed by originator's call sign;

proword TO followed by action addressee's call sign;

proword INFO followed by info addressee's call sign;

proword TEXT BEGINS;

security classification(normally one of the following:


the originator and the number of the message;

the actual text;

proword END OF TEXT if final instructions are to follow, otherwise END OF MESSAGE.


A soldier should be familiar with the AN/PRC-77 radio and the two types of squad radios. One type of squad radio is the AN/PRC-68 small unit transceiver. The other comes in two parts the AN/PRT-4 (transmitter) and the AN/PRR-9 (receiver). To operate the AN/PRC-77 radio:

install the battery;

replace the battery compartment and close both latches at the same time;

select the antenna (plus antenna base) and tighten it down;

connect the handset;

select the frequency band;

set the frequency using the tuning control knobs;

turn the function switch to ON;

turn the volume control knob about half a turn;

depress the push-to-talk switch on the handset to talk and release it to listen;

adjust the volume control to the desired level.


s Answer the questions

1. What is the purpose of information exchange?

2. What factors do affect the range of radio equipment?

3. What is the radiotelephone procedure?

4. What is it essential for successive transmission?

5. Why is necessary to use the phonetic alphabet?

6. How do standard words and phrases facilitate the traffic?

7. What are measures to keep unauthorised persons from gaining valuable information from radio?

8. What radio equipment should the soldiers be familiar with?


> Read, decipher and translate abbreviations




N O Translate into Ukrainian


Radiotelephone procedure; Flash; fixed spot frequency channel; All stations; electronic countermeasures; Relay to ; tuning; Read back; antijamming techniques; I spell; recognition; This is;radio net discipline; Speak slower; frequency modulated; Negative; squelch settings; Message follows...; radio circuit; Readable; receiver; handset; push-to-talk switch; battery clip; clamp; transmitter; Emergency; ultra high frequency; Priority; callsign; Loud and clear; message; All before; radiotelephone; Acknowledge; radio communications; Break; air-to-ground communications equipment; Go ahead; radio traffic; Do you copy?; signal unit; Out to you; party; Roger; Unknown station; unclassified; official; date and time group; to preset up to 20 channels; With interference; to put the radios to good use; to talk over a radio; to maintain a natural rhythm to ones speech; I verify; to vary widely from extremely clear to barely intelligible; Word after; to transmit multiple digit numbers digit by digit; to enforce radio net discipline and radiotelephone procedure; Say again; to depress the push-to-talk switch.


N O Translate into English


; ; ; /³/; ; ; ; ; ; ; ; ; ; ; 腔; ; 煔; ; ; ; ; ; ຅; ; -; ; ; ʳ ; - ; ; ; ; ʳ ; ; ; ; ³ ; ; ; ; 쳅; ; ?; ; ; ; . ; ; ; ; ; ; [] ; ; ?; ; ; ; ...; ; ; ; ...; ; ; .


ó N O Translate quickly


Radiotelephone procedure; ; means; ; radio transmission; ; communication (s); ; message; ; signal unit; ; party; ; radiotelephone; ; ultra high frequency; ; fixed frequency channel; ; electronic countermeasures; ; air-to-ground communications equipment; ; tuning; ; antijamming techniques; ; recognition; ; radio net discipline; ; frequency modulated; -; squelch settings; ; meaconing; ; radio circuit; - ; receiver; ; handset; ; push-to-talk switch; ; battery clip; 璺; clamp; ; transmitter; ; abbreviation; ; Flash; ; Immediate; ; Routine; ; prowords; ׳ ; All after; ...; Authenticate; ...; Affirmative; ϳ ; Break; ; Correct; , ; Disregard; ; Contact; 兔; Correction; ?; More to follow; ; Over; 셔; Radio check; ; Relay through; ; Message passed to; ⅔; Roger so far?; ; End of message over (out); ʳ ; ; I read back; ; I say again; ; Silence lifted; Wilco; 兔; ͳ/; Words twice; , 腔; Message; ; How do you read me?; ; Verify; ϳ ...; Word before; ; Fetch; ; I read you); ; Clear; ׳; Distorted; ; security classification; ; restricted; ; confidential; ; top secret; ; background noise; () ; to transmit and receive information; 20 ; to communicate; ; to affect radio communications; ; to listen to get information; ; to avoid extreme pitch; to eliminate confusion; ; to keep unauthorized persons from gaining information; ; to overcome enemy electronic warfare; ; to set the switch.

A Build up your vocabulary



  1. Lesson 20 Radiotelephone Procedure
  2. The Single Channel Ground and Airborne Radio System

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