Signal Operation Instructions
Simple Organizational Institute
Synchronized Overlapping Interference
Silent Overall Instructions
FM 24-18
FM 7-21.13
FM 3-25.26
FM 4.25.11
The organization of stations into nets
Assigns call signs
Designates net control stations (NCS)
Assign frequencies
Changes to alternate frequencies
Security procedures to be used by radio operators
Radio
Sound
Visual
Messenger
Wire
Radio
Sound
Visual
Messenger
Wire
Radio
Sound
Visual
Messenger
Wire
String
Communication security
Common section
Component security
Communication section
Operational security
Operating section
Optional security
Operatable security
Weather
Terrain
Antenna
Power
Location
Vehicle
Net Control Station
Noise Cancellation System
Network Correspondence Signal
Non-Commissioned Soldier
Wait!
Here's an interesting quiz for you.