This is an annoying and attention-grabbing sound that approximates the musically-ugly major second interval, and was carried over from the Emergency Broadcast System. The characteristic tones of ...

A test of the Live Audio Broadcast segment of the Emergency Alert System is conducted at roughly the same time as the monthly siren sounding, in cooperation with the Hawai’i broadcast industry.

Some 'Blue Light' safety phones strategically located around campus are equipped with Emergency Broadcast Alert capabilities. Public Safety will use this system to audio broadcast campus-wide ...

NHK provides two types of emergency broadcasts: Emergency Warning Broadcasting (EWB) system and Earthquake Early Warning (EEW) system. In addition to an activation signal for receivers ...