Outside of necessary routine testing, they shouldn’t be used. A sample Emergency Alert System broadcast. Note the digital sounds of the alert data and the warning message cut-in. Don’t play ...
The Emergency Alert System will test its communications systems Tuesday morning to prepare for tornado season.
A 10-second siren will sound on millions of UK mobile phones this year as part of a test of the government's emergency alert system. The alert, for which a date hasn't yet been revealed ...
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