1. Tactical Radio Communications

2. STAY AWAKE! TURN OFF CELL PHONES NO TOBACCO USE DIRECT QUESTIONS TO INSTRUCTOR USE LATRINE ONLY DURING BREAKS DO NOT WRITE ON THE TRAINING AIDES! CLASSROOM RULES

3. CONDITION: Given an operational radio set with an SOI, fill device with appropriate fills, and fill cable, TM 11- 5820-890-10-8, and an operational distant station. STANDARD : Establish voice communications with the distant tactical radio/network, within 3 minutes. REFERECES: Required Related SOI FM 24-18 TM 11-5820-401-10-2 FM 24-19 TM 11-5820-890-10-8 Performed Voice Communications. TASK 113-571-1022

4. Pre-check correct COMSEC/SOI Pre-plan message before transmitting Use lowest power setting necessary Make only authorized transmissions Maintain alert watch for station calls CLASSROOM RULES

5. GENERAL OPERATING RULES (cont.) Listen before transmitting Transmit clearly and accurately Use the phonetic alphabet Maintain transmission security

6. PHONETIC ALPHABET

7. YANKEE (KEE)YANG TRE E SEV-EN ZULU (LOO)ZOO FOW-ER AIT WUN FI-YIV NIN-ER TOO S IX ZE-RO Y 3 7 Z 4 8 1 5 9 2 6 0 PHONETIC ALPHABET / NUMBERS

8. TRANSMISSION SECURITY DO NOT: Violate radio silence Hold personal or unofficial conversations Transmit personal information (names, SSN, etc...) Transmit classified information in plain text Use unauthorized prowords (I.e. Repeat) Use profanity

9. UNIT CALL SIGN A unit call sign consists of a (L-N-L): LetterNumber Letter N 2 F

10. A suffix is a two digit number which represents a position in a unit. SUFFIX 28

11. EXPANDER An expander represents a driver/radio telephone operator, enlisted assistant, aide, etc… B

12. FULL CALL SIGN Unit Position Expander N2F 28 B There are only two times a full call sign will be used: a)When directed by the net control station (NCS) b)When operating in an unfamiliar net.

13. ABBREVIATED CALL SIGN (1 OF2) To abbreviate or shorten, a full call sign, you should eliminate the first two characters of the full call sign. N2F 28B F28B

14. ABBREVIATED CALL SIGN Use abbreviated call signs: To shorten transmission time While operating in a familiar net

15. TWO TYPES OF NETS DIRECTED-NET You must obtain permission from NCS to transmit. FREE-NET NCS will authorize net member stations to transmit traffic to other stations in the net without obtaining permission from NCS.

16. SINGLE CALL INDIVIDUAL CALL: A RESPONSE - - - F28 THIS IS X36 OVER B BN NCS CHQ X366 F288 CALL - - - X36 THIS IS F28 OVER

17. MULTIPLE CALL F28F28 THIS ISX36 OVER THIS ISG52 OVER RESPONSE... ABCHQ X36G52 CALL... X36 G52 THIS IS F28 OVER N2F BNNCS F28

18. NET CALL CALL - - - RESPONSE - - - N2F-THIS IS-F28- -OVER F28-THIS IS-G48- -OVER F28-THIS IS-G52- -OVER F28-THIS IS-R83- -OVER F28-THIS IS-X36- -OVER N2F-THIS IS-F28- -OUT ABCHQ X36R83G52G48 BS NNC F28 N2F This requires an ordered listing known by all net members

19. MUST be committed to memory PROCEDURE WORDS (PROWORDS) PROCEDURE WORDS (PROWORDS)

20. I have received your last transmission satisfactorily “ROGER” (PROWORDS)

21. I have received your signal, understand it, and will comply “WILCO” (PROWORDS)

22. This is the end of my transmission to you and a response is necessary. Go ahead; transmit. “OVER” (PROWORDS)

23. “OUT” This is the end of my transmission and no answer is required

24. F28 this is G48 Radio Check Over “RADIO ” “RADIO CHECK” G48 this is F28 Roger - Out I received your last transmission satisfactory SIGNALSTRENGTH SIGNAL STRENGTH CLEAR DISTORTED READABLE WITH INTERFERENCE UNREADABLE INTERMITTENT LOUDVERY WEAK GOODFADING READABILITY PROWORDS

27. SUMMARY Most efficient communications within a net is attained when operators habitually use proper procedures in transmitting and receiving messages

28. QUESTIONS