Format Lines
In-Message Terms
Message Precedence
Messaging Terms
System Terms
100

What is Format Line 2

What is Header

100

What is SSN

Message Serial Number

100

Routing - R

6 Hours

100

DTG

Date Time Group

100

AIT

AUTODIN Interface Terminal 

200

What is Format Line 4

Security Warning

200

What is NNNN

End of Message

200

Priority

3 Hours

200

GENSER

General Service

200
NAVMACS

Naval Modular Automated Communications Systems

300

What is Format Line 5

DTG

300

ZYUW

Narrative

300

Immediate

30 minutes

300

AMPN

Amplification

300

CUDIXS

Common User Digital Information Exchange Subsystem

400

What is Format Line 8

Info


400

ZDKW

Retransmittal

400

Flash Z 

 10 Minutes or ASAP

400

NODIS

No distribution 

400

SID

Subscriber Identification 

500

What is Format Line 13

Break

500

ZYVW

Service

500

Flash Override-W

3 minutes or ASAP

500

XMT

Exempt

500

C2OIX

Command and Control Office Information Exchange