In telecommunication, a communications system is a collection of individual communications networks, transmission systems, relay stations, tributary stations, and data terminal equipment (DTE) usually capable of interconnection and interoperation to form an integrated whole.
. . . . In 1973 NSA's CRITICOM/SPINTCOM network was transformed into the Digital Network-Defense Special Security Communications System (DIN/DSCSS), which fully integrated the message traffic into the Defense Department's general service AUTODIN network (automatic digital network).
Federal Communications Commission | operating system | Super Nintendo Entertainment System | Nintendo Entertainment System | Android (operating system) | Global Positioning System | Clear Channel Communications | Solar System | X Window System | Korean Broadcasting System | System of a Down | Domain Name System | Seoul Broadcasting System | North Carolina Community College System | Mutual Broadcasting System | L-3 Communications | Communications Act 2003 | Bulletin board system | system | Turner Broadcasting System | Rogers Communications | Program and System Information Protocol | Geographic information system | communications satellite | Ubuntu (operating system) | Tokyo Broadcasting System | Federal Reserve System | Discovery Communications | Youth system | Embedded system |
Trenton Military VOLMET Military Aeronautical Communications System (MACS) on 6754 and 15,034 kHz USB call sign "CHR"
Plessey was also the lead contractor for the Ptarmigan communications system supplied to the British Army that adopted the Plessey System 250 architecture.
The U.S. NOAA broadcast system is ISCS (International Satellite Communications System) and mainly covers America and the Pacific Ocean.