====== Emergency Alerting Systems ======

===== Timeline =====

  * 1951 - [[CONELRAD]]
  * 1963 - [[CONELRAD]] replaced by [[Emergency Broadcast System]] (EBS)
  * 1971 - Erroneous "Attack Warning" sent to EBS by NORAD, EBS policy changed to alerts authorized by the president only
  * 1976 - [[Emergency Broadcast System]] automation improved with the two-tone warning signal, state and local authorities, FEMA, and NWS added to system
  * 1983 - work starts on replacing the EBS message distribution system with the [[Primary Entry Points]], completed in 1995
  * 1992 - Cable Act requires cable television providers to participate in EBS, FEMA funds research into automation for unattended stations and cable headends
  * 1994 - [[Emergency Broadcast System]] replaced by [[Emergency Alert System]], which uses digital packets for automation
  * 1997 - [[Emergency Alert System]] hardware becomes mandatory for radio stations
  * 2001 - [[Emergency Alert System]] hardware becomes mandatory for all cable operators

===== General Sources =====

  * [[https://web.archive.org/web/20220206085146/https://whyclimatechanges.com/pdf/Warning/PPW%20EAS%20Assessment2004.pdf|Partnership for Public Warning - The Amergency Alert System, An Assessment (2004)]]