Sometimes, it is useful to transmit a low-power radio signal to create a beacon, to send a signal carrier to a near receiver, to transmit in QRP or QRPP mode, and so on. The circuit shown here is very ...

Solid-state technology has taken over the major AM broadcast transmitter manufacturers, and up to 40kW of solid-state power is available in FM. When making the decision to buy a new transmitter, there ...

(CNN) — The 47-year-old Voyager 1 spacecraft is back in touch with NASA — but not out of the woods — after a technical issue caused a days-long communications blackout with the historic mission, which ...

Voyager 1 remains humanity's furthest outpost, hurtling across interstellar space at 38,210 miles per hour. However, NASA lost communication with the beloved space probe on October 19. The space ...

This is the story of a station whose transmitter for two decades sat on an island — arguably the most famous such “island station,” WCBS 880. The non-directional 50,000 watt powerhouse station, now ...

NASA can't catch a break when it comes to Voyager 1, apparently. That's because the US space agency has now revealed that the only thing keeping Voyager 1 communications running at the moment is a ...

When you start watching [learnelectronic’s] two-part series about making a radio transmitter, you might not agree with some of his history lessons. After all, the origin of radio is a pretty ...

You've never heard Dean Martin like this. Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences transmitted a recording of Martin's classic "Volare" wirelessly via a ...

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 ...