Cell towers will broadcast the emergency alert for 30 minutes. If your phone is turned on in the range of a tower, your phone will display a message that says: "THIS IS A TEST of the National ...

An errant Emergency Broadcast System transmission made television watchers and radio listeners worry about the threat of ...

along with the phrasing “This is not a test, this is an emergency broadcast transmission.” Outside of advertising, the FCC doesn’t allow broadcasts of these tones in context, either.

Homewood Campus Public Safety will conduct a full-scale simultaneous activation of both the siren/public address system and the Johns Hopkins Rave Alert text messaging system ...

The siren will be followed by a message stating: “This is a test of the emergency management public ... This material may not be published, broadcast, rewritten, or redistributed.

To do so is to risk one’s life when raising the alarm about a real emergency that may go duly ... Fox did just that in a recent broadcast, using a designated alarm tone for an advert.

Homewood Campus Public Safety will conduct a full-scale simultaneous activation of both the siren/public address system and the Johns Hopkins Rave Alert text messaging system ...

Broadcast Emergency Response (Amber), and Opt-in Test Messages. You can opt out of any except National Alerts, which are reserved for national emergencies. The Oct. 4 test is a National Alert.

The monthly test of the all-hazard statewide outdoor warning siren system is scheduled for 11:45 a.m. today. A test of the live broadcast segment of the emergency alert system will take place at ...