On Oct 7, 2018, at 12:23 PM, b...@theworld.com wrote: > That was one advantage of the old air raid siren system, it was > difficult to ignore and required nothing special to receive (hearing > impaired excepted.)
_Wired_ has an interesting history of the various networked and standalone national alert systems that FEMA and its predecessors have tried over the years, many of them of limited success: https://www.wired.com/story/presidential-text-alert-fema-emergency-history/ - Brian https://www.dpvintageposters.com/cgi-local/detail.cgi?d=2469
