[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 ...

Our Hackaday team is spread across the world, but remains in easy contact through the magic of the Internet. A number of us hold amateur radio callsigns, so could with a bit of effort and expenditure ...

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 ...

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

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 ...

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 ...

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 ...

After plugging an FM transmitter into your auxiliary power outlet (commonly referred to as a cigarette lighter) you'll need to find an unoccupied radio station. Scroll through channels until you find ...