North Texas Prepares For Nat'l Emergency Alert System TestYou've heard the sound for years on TV and radio – the warning tones, the Emergency Alert System announcements. Wednesday the federal government will conduct its first ever national test of the system.
TV, Radio Stations To Broadcast Nationwide Emergency Test WednesdayAt 1 p.m. Central time on November 9, broadcast stations will interrupt regular programming with a one-minute test notification.