The city-wide GMRS (General Mobile Radio System) repeater system is operational. GMRS is a neighborhood backup for cell phone ...

Anybody can develop high frequency hearing loss, but it becomes more common with age. Exposure to loud sounds or high frequency sounds are common causes of ear damage in younger people.

DAB radios can seem like legacy tech in a world of Bluetooth speakers and phones that can act as wake-up alarms. But the simplicity is why we use a DAB radio every single day, even now. Here’s our ...

Part 2 presents a device that allows you to play with and display live SDR signal spectrums with negative frequencies. Software-defined radio (SDR) firmware makes extensive use of I/Q representation ...

(AP Photo/Jae C. Hong, File) Updated [hour]:[minute] [AMPM] [timezone], [monthFull] [day], [year] LOS ANGELES (AP) — The archaic computer dispatch system for the nation’s largest sheriff’s department ...