Testing The System
Until the system was superseded, radio and television stations were required to perform a Weekly Transmission Test Of The Attention Signal and Test Script on random days and times between 8:30 A.M and local sunset. Stations were required to perform the test at least once a week, and were only exempt from doing so if they had activated the EBS for a state or local emergency, or participated in a coordinated state or local EBS test during the past week. Additionally, stations were required to log tests they received from each station they monitored for EBS messages. This served as an additional check, as they could expect to hear a weekly test from each source. Failure to receive a signal at least once a week meant that either the monitored station was having a problem transmitting the alert signal, or the monitoring station was having a problem receiving it.
Read more about this topic: Emergency Broadcast System
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