Unmarked radio wave meter. Unit is a home-made wave meter designed to determine the operating frequency of an amateur radio transmitter. A variable capacitor and resonance indicating lamp are mounted ...

Around 314,000 households across the UK use Radio Teleswitch Service (RTS) meters for their energy supply, but the radio signal it relies on is being retired. This could cause bills to skyrocket or ...

Designed to help HF radios and receivers that struggle with front-end overload from AM broadcast interference, such as Xiegu X6100, X5105, G90, G106 and SDR receivers. Lightweight and portable design, ...

Thousands of households face losing power and hot water due to the phasing out of an old type of electricity meter. From 30 June, the technology that supports Radio Teleswitching System (RTS) meters ...

When I was a kid living near Grantsville, West Virginia, some of my neighbors were into amateur ham radio. I found their analog electronics and antennas and their mastery of Morse code fascinating.

In 1972, Martin Jue was a young entrepreneur who decided to use his electrical engineering expertise to start a new business, MFJ Enterprises, in Starkville, his adopted hometown. The cottage industry ...

When Helene swept across the Southeast on Sept. 27, including Western North Carolina, cell phones and internet-based communication became unusable. People still needed a way to talk — to check on ...

1.Understand the purpose of an SWR meter:An SWR (Standing Wave Ratio) meter is a device that measures the efficiency of your radio’s antenna system by indicating the ratio between transmitted power ...