"My roommate and I heard the train signaling an emergency signal -- then we heard the intense impact of the collision, " said Max Tau, whose apartment is about 20 yards from the tracks.
The call was taken by the Dane County 911 center and an internal investigation revealed the dispatcher did not hear any sounds that would signal an emergency.
With the 2010 World Cup, the vuvuzela joins the ticking stopwatch on "60 Minutes" and the piercing signal of the Emergency Broadcast System in the pantheon of nonmusical sounds that instantly tell you what is on TV even before you've entered the room.
If the driver of a General Motors car equipped with its OnStar system locks his key in the car, for example, an emergency centre can transmit a digital signal to unlock the doors.
Should calamity strike, you can use the device to send a distress signal to the GEOS International Emergency Response Coordination Center, a search-and-rescue service that will coordinate with local authorities to send help your way.
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Paul, Minnesota installed an early signal preemption system, it reduced emergency vehicle crashes by more than 50%, despite population-fueled congestion in the years following the system's installation.
Paul, Minn. installed an early signal preemption system, it reduced emergency vehicle crashes by more than 50%, despite population-fueled congestion in the years following the system's installation.
The three fishermen's vessel didn't have an Emergency Position Indicating Radio Beacon, which transmits a distress signal anywhere in the world through a satellite system, the navy said.
Dedicated lanes give buses an uncongested path, and traffic-signal priority gives buses the power, once reserved for emergency vehicles, to switch signals from red to green as they approach.
Sherman thought he was sending an SOS signal to the world by activating an "epirb" -- short for emergency position indicating radiobeacon -- which is a satellite-connecting beacon that resembles a floatable walkie-talkie.
This signal is further reinforced by the promise of the Treasury to tide over debt with emergency funds if need be, indicating the potential need for additional reliance on non-legislative bodies to substitute for Congressional policy change.
Another possible draw: the introduction of a service called Sea Smart, a one-button emergency gizmo, comparable to OnStar for luxury autos, with a panic button that sends a signal via satellite every ten seconds and offers real-time tracking of the distressed vessel on a 3-D color map back at Sea Tow's headquarters.
The signal preemption idea was born in the early 1970s, when 3M devised a system that let emergency vehicles change traffic signals with pulses of strobe lights (later, infrared light) transmitted to receivers mounted over roadways.
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