iPhone: Go to Settings > Transfer or Reset iPhone > Reset > Reset Network settings. The next page will warn you that ...

More than 15 miles below the floating cooler, cell phone towers emit a steady hum of radio frequency waves ... Satellite ...

Researchers are taking experimental navigation technology to the skies, pioneering a backup system to keep an airplane on course when it cannot rely on global positioning system satellites.

Dangling from a weather balloon 80,000 feet above New Mexico, a pair of antennas sticks out from a Styrofoam cooler. From ...

“Building materials, tree cover, and even weather can also interfere with signal strength,” Chambers ... off can help ...