[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 ...

Most often ultrasonic transducers are used for distance measurements, and in the DIY world, usually as a way for robots to detect obstacles. But for a weekend project, [Vinod.S] took the ultrasonic ...

View post: I Tested the 2026 Kia EV9 GT-Line Long Range AWD by Putting My Toddlers in One. Here’s How it Went Autoblog may receive a share from purchases made via links on this page. Pricing and ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Adrienne Maxwell Adrienne ...

This tiny dual Bluetooth-transmitter accepts signals from your legacy gear and also serves as a USB audio interface, so you can transmit from your computer. It sounds great and has about a 30-foot ...

The familiar real estate adage “location, location, location” rings true these days for huge tracts on the outskirts of major cities — sites that for decades housed AM radio towers but that today ...

Tired of the preprogramed junk that makes up radio? Don’t curse the DJ; seize the airwaves! An FM transmitter (like this one) is a simple device that connects to your music player and broadcasts your ...

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 ...

JBL brought its third-gen JBL Tour One M3 noise-canceling wireless headphones to CES 2025, and it looks like the cans will ...

To further advance wireless communication systems, electronics engineers have been trying to develop new electronic circuits that operate in the microwave frequency range (1–300 GHz), while also ...

FILE: Despite weather conditions, some people took advantage of the big waves in Galveston. The National Weather Service will install a temporary weather radio transmitter in Galveston at the end of ...