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Emergency Alert System. The Emergency Broadcast System (EBS), sometimes called the Emergency Action Notification System (EANS), was an emergency warning system used in the United States. It was the most commonly used, along with the Emergency Override system. It replaced the previous CONELRAD system and was used from 1963 to 1997, at which ...
CONELRAD (Control of Electromagnetic Radiation) was a method of emergency broadcasting to the public of the United States in the event of enemy attack during the Cold War.It was intended to allow continuous broadcast of civil defense information to the public using radio stations, while rapidly switching the transmitter stations to make the broadcasts unsuitable for Soviet bombers that might ...
The Public Emergency Radio of the United States was a communications system planned during the Cold War era in the 1970s, to be activated in anticipation of a nuclear attack. The radio system was designed to broadcast on 167, 179 and 191 kHz in the long wave radio band. The distribution stations would be activated by two "control stations" at ...
A longwave frequency was chosen because the extended groundwave signal it produced was supposed to be relatively immune to the effects of a nuclear detonation. Built for US$2 million in 1973, WGU-20 was the prototype of ten DIDS "distribution stations". These were to operate 50 kW at 167, 179 and 191 kHz with 700-foot towers.
The National Public Warning System, also known as the Primary Entry Point (PEP) stations, is a network of 77 radio stations that are, in coordination with FEMA, used to originate emergency alert and warning information to the public before, during, and after incidents and disasters. PEP stations are equipped with additional and backup ...
WOWO was the fourth station to be established in Fort Wayne, but because the first two—WFAS, licensed to the United Radio Corporation in 1922, [9] and WDBV, licensed to the Strand Theatre in 1924 [10] —had each ceased operations a few months afterwards, [11] [12] it is the second-oldest-surviving, after WGL, which signed on the year before ...
AN/URC-117 was the system's Joint Electronics Type Designation System identifier, which signified various radio components installed in different locations. [4] Each GWEN Relay Node site featured a longwave transmitting tower, generally between 290 and 299 feet (88 and 91 m) tall, and emitting an RF output of between 2,000 and 3,000 watts.
National Emergency Message. A National Emergency Message (SAME code: EAN), formerly known until 2022 as an Emergency Action Notification, is the national activation of the Emergency Alert System (EAS) used to alert the residents of the United States of a national or global emergency such as a nuclear war or any other mass casualty situation.