[Mr. Carlson] bought a Globe Scout Model 40A ham radio transmitter at a hamfest. The 40A was a grand old transmitter full of tubes, high voltage, and a giant transformer. It is really interesting to ...

Designed for USB-C use with 100 Watt power delivery.

This is an overview of a 500,000 Watt radio transmitter site. It’s one of the slides shared in a guided video tour of the transmitter’s hardware. The radio station — whose call sign was WLW — called ...

There was a time when we only had one type of earphone, and it was wired. Now, thanks to the expansion of Bluetooth technology, the days of untangling cords are over. It’s mostly been a pleasant ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The 47-year-old ...

SOUTHWICK, Mass.—Hitachi Kokusai Electric Comark has announced that the WGBH has upgraded it VHF Band 1 Parallax liquid cooled DTV transmitter for up to 47.8kW of power. Comark supplied the Parallax ...

Bothell, Wash.-based Tethers Unlimited says it’s delivered the first flight unit of a K-band radio transmitter that’s designed for use on CubeSat satellites as small as a loaf of bread. The SWIFT-KTX ...