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2. ShakeAlert - Wikipedia

   en.wikipedia.org/wiki/ShakeAlert

   ShakeAlert is an earthquake early warning system (EEW) in the United States, developed and operated by the United States Geological Survey (USGS) and its partners. [1] As of 2021, the system issues alerts for the country's West Coast (specifically the states of California, Oregon and Washington). It is expected that the system will be expanded ...

3. Emergency Alert System - Wikipedia

   en.wikipedia.org/wiki/Emergency_Alert_System

   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 ...

4. Early warning system - Wikipedia

   en.wikipedia.org/wiki/Early_warning_system

   An early warning system is a warning system that can be implemented as a chain of information communication systems and comprises sensors, event detection and decision subsystems for early identification of hazards. They work together to forecast and signal disturbances that adversely affect the stability of the physical world, providing time ...

5. List of United States Space Force installations - Wikipedia

   en.wikipedia.org/wiki/List_of_United_States...

   13th Space Warning Squadron; 213th Space Warning Squadron; Hosting a Geographically Separate Unit (GSU) of Space Delta 4 and the 168th Wing of the Alaska Air National Guard. Operates a radar station for detecting incoming ICBMs and submarine-launched ballistic missiles to NORAD's command center and to provide Space Surveillance data to the USSF ...

6. AOL.com - My AOL

   www.my.aol.com

   AOL latest headlines, news articles on business, entertainment, health and world events.

7. Early-warning radar - Wikipedia

   en.wikipedia.org/wiki/Early-warning_radar

   Today the early warning role has been supplanted to a large degree by airborne early warning platforms. [1] By placing the radar on an aircraft, the line-of-sight to the horizon is greatly extended. This allows the radar to use high-frequency signals, offering high resolution, while still offering long range.