NASA’s Life-Saving Technology Where Cell Signals Can’t Go

What happened

The devise sends a distress signal to satellites that are relayed back to Earth, launching a rescue operation. 3 Min Read NASA’s Life-Saving Technology Where Cell Signals Can’t Go Rescued after more than four hours in the water, Easton Barrett (center, red shorts) and his friend were picked up by the U.S.

A team of five was about 40 miles offshore checking their sonar, and 30 seconds later the boat was gone. They were in the water struggling to pull on life jackets and grab the coolers as they bobbed up.

In the SARSAT system, developed partly by NASA, an emergency signal containing the transmitter’s location is directed to the nearest available ground station. 406 megahertz is the wavelength dedicated for PLB distress signals.