THE UK is reportedly readying its emergency alert system over fears debris from an out–of–control Chinese rocket could land on the country today. Experts are closely monitoring China’s ZQ-3 ...

The Department of Defense Hawaii Emergency Management Agency announced in a news release that the monthly test of the all-hazard Statewide Outdoor Warning Siren System will sound on Friday, Jan. 2, ...

Even for veteran firefighters, being in a burning structure can be a disorienting experience. The smoke makes it hard to see, the roar of the fire makes it hard to hear, and wearing their SCBA ...

CALHOUN COUNTY – Those who heard the Calhoun County Emergency Management Agency’s warning siren around 2 p.m. Monday may have been a little anxious. However, EMA director Myles Chamblee said there was ...

Tiburon’s emergency sirens may sound intermittently between 10 a.m. and noon Nov. 13 as crews perform maintenance in response to residents reporting they couldn’t hear the sirens during last month’s ...

Produces alternating high and low frequencies through a PWM pin. Creates a siren-like effect by switching between two tones. Demonstrates use of PWM for sound generation.

ST. LOUIS – As we approach the six-month anniversary of the May 16 storm, St. Louis City’s tornado alarm system remains troubled. On siren testing day, FOX 2 News went straight to one of the sirens ...

With a positive vote by both the SnoValley Chamber of Commerce and members of the United Methodist Church, the public will be hearing at noon Nov. 1, first the gentle chime of the 100-year-old bell ...

Ben Franklin Middle School band students competed to see who could best replicate a police siren, in a class contest with their school resource officer. Members of the band at Ben Franklin Middle ...