Communications

Signal Operation Instructions.
_{(FM 24-18 Sept 1987 / 5-1 / PDF 110)}

• The organization of stations into nets.
• Assigns call signs.
• Designates Net Control Stations (NCS).
• Assigns frequencies.
• Changes to alternate frequencies.
• Security Procedures to be used by Radio Operators.
_{(FM 24-18 Sept 1987 / 5-2 / PDF 110)}

FM 24-18.

20 percent.

Radio.

1. Radio.
2. Sound.
3. Visual.
4. Messenger.
5. Wire.

Messenger.

Communications Security.
_{(FM 6-02.45 Apr 2004 / 1-23 / PDF 13)}

Operations Security.
_{(FM 6-02.45 Apr 2004 / Glossary / PDF 251)}

1. Weather
2. Terrain
3. Antenna
4. Power
5. Location

Net Control Station.
_{(FM 24-18 Sept 1987 / 5-2 / PDF 110)}

• Meaconing.
• Intrusion.
• Jamming.
• Interference.
_{(FM 24-18 Sept 1987 / 6-6 / PDF 133)}

Approximately 3.7 miles using field wire.
_{(FM 24-24 Dec 1994 / Section 1 / PDF 11)}

100 volts.

• Wet — 14 miles.
• Dry — 22 miles.
_{(FM 24-24 Dec 1994 / 1 / PDF 15)}

• CB — common battery.
• LB — local battery.
• CBS — common battery signaling.

1 up 1 down.

Communications field wire.

Wire Drum.

6 to 12 inches.

At least 3 feet.

½ mile.

¼ mile.

At least 2 feet.

At least 18 feet.

At least 4 inches.

A MX-10579 ECCM Fill Device.
_{(FM 24-18 June 1995 / 11-43 / PDF 150)}

Army/Navy and Portable Radio Communicator.

A type of Squad radio small unit transceiver.

Listen to see if the Net is clear.

Single Channel Ground/Airborne Radio System.

About 25 lbs.

5 to 8 km.

920.

A square knot.

FM

Enhanced Position Location Reporting System.
_{(FM 11-41 Dec 1991 / 3-3 / PDF 27)}