Broadcasters, cable television systems, wireless cable systems, wireline video providers, satellite radio providers and satellite TV providers are all required by law to participate in the test.
All participants must submit a form to the FCC before Nov. 9 providing identification information, including name and EAS equipment manufacturer. A second form will be due on Nov. 9 asking participants if they received the alert and were able to pass it on.
Broadcast stations are running public service announcements ahead of the test to familiarize the public with the test.
The EAS was launched in 1998 as a replacement for the Emergency Broadcast System, designed to allow the president to address the public in the event of a national emergency. The EAS is frequently used to alert the public during weather emergencies.