When communicating and exchanging messages over the radio, basic rules should be followed by all the military partners in order to comply with the NATO standards. Using the same terminology and procedures saves lives.
This unit explains the basic principles of military tactical communication and introduces the military alphabet which is used for the purpose of radio transmissions.
Using proper radio procedures can make the difference in time and security when operating on C2 nets. This unit addresses the proper way to pronounce letters and numbers when sending messages over a radio.
Basic Two-Way Radio Rules:
Golden Rules for Radio Communication
Source: Two-Way Radio Etiquette: Basic Rules of Radio Communication – Callmc
1.5.1.1. Pronunciation of numbers
The table outlines the pronunciation of numerals transmitted by radio. Look at the table and listen.

Numbers are transmitted digit by digit.
Special attention should be paid to the pronunciation of 4 as [FOW-ER] and 9 as [NIN-ER]
| NUMBERS | PRONUNCIATION |
| 44 | FOW-ER, FOW-ER |
| 90 | NIN-ER, ZE-RO |
| 136 | WUN, TREE, SIX |
| TIME 1200 | WUN, TOO, ZE-RO, ZE-RO |
| 1748 | WUN, FOW-ER, SEV-EN, AIT |
| 7000 | SEV-EN, TOU-SAND |
| 16000 | WUN, SIX, TOU-SAND |
| 812681 | AIT, WUN, TOO, SIX, AIT, WUN |
Note Any abbreviated words used in the message must be transmitted phonetically, for example, 1st is sent as ONE SIERRA TANGO.
1.5.1.2. Listen to the pronunciation of numbers
1.5.1.3. Listen and write down the numbers you hear
1.5.1.4. Pronunciation of letters
The table below presents the phonetic alphabet for tactical communication and the pronunciation of the letters of the alphabet. Watch the video and listen.

1.5.1.5. Follow the links and do the activities
a/ Practice the alphabet https://quizlet.com/273395/flashcards
b/ Memorize the alphabet https://quizlet.com/273395/learn
c/ Match the letters and numbers https://quizlet.com/273395/match
d/ Practice and play https://quizlet.com/273395/gravity
e/ Take the quiz https://quizlet.com/273395/test
1.5.1.6. Listen and write the call signs you hear 5.1.6. call signs
NB: The answers to 5.1.3. and 5.1.6. are in the attached file