Oct. 3, 2018 EAS Presidential Alert test

Wed Oct 10 01:59:21 UTC 2018

> The challenging part for government is creating a public warning 
> system inexpensive enough, its available to everyone, not just people 
> who can afford private airplanes.

We could use the one that was already built for this: The NOAA All 
Hazards radio network (http://www.nws.noaa.gov/nwr/).  It uses 7 
nationwide frequencies and 1025 radio transmitters to cover 95% of the US.

It costs around $20 for a basic receiver.  A car could easily just 
listen to the 7 frequencies and wait for the alert tones.  If you want 
to get fancy you could overlay GPS to detect the county and use that to 
filter the alerts to the county you're currently in.
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