Basic Signal Communication Flashcards
A method or means of conveying information from one person or place to another, except through direct conversation.
Signal Communication
The medium used to transmit a message.
Means of Communication
A facility with personnel and equipment used to provide signal communication (e.g., COMMEL, Division Signal Battalion).
Agency of Communication
The principal means of communication in tactical units, used for command, fire control, information exchange, and administrative purposes.
Tactical Radio Sets
Includes telephones, switchboards, and teletype equipment.
Wire Communication
The most rapid means of communication.
Radio Communication
Used for transmitting classified documents and maps.
Messenger
Any signal received by the eye, such as flags, flares, and smoke signals.
Visual Signals
Used primarily for alarms and warnings (e.g., whistle, bugle, horns, weapons).
Sound Signals
A group of radio stations operating on the same frequency.
Radio Net
A combination of characters (letters and numbers) used to identify radio stations.
Call Sign
Identifies all stations in a particular network.
Net Call Sign
Identifies a specific station within a network.
Individual Call Sign
Identifies two or more stations within a network.
Collective Call Sign
Indicates a separation between parts of a message.
Break
Confirms accuracy.
Correct
Repeating a message for confirmation.
I Read Back
Repeating transmission.
I Say Again
End of transmission, expecting a response.
Over
End of transmission, no response needed.
Out
Message received.
Roger
