UNTIL recently the measurement of currents at radio-frequencies has depended on the assumption that the instruments used did not alter their calibration with frequency, and every endeavour was made to ...

The video explains the operation of the vacuum tube, specifically the triode, which is essential in modern communication devices like radios and telephones. It describes how a tungsten filament emits ...

IT is difficult for a wireless worker of to-day, who has been trained along modern lines, to realise how much precision has been introduced into his subject by the development of the thermionic valve.

Nick’s Signal Spot is a new feature in which Nick Langan explores RF signals, propagation, new equipment and related endeavors. A couple of months ago, I wrote about tunnel radio. It is really more of ...

According to the notice posted on SAM.gov Monday, the NRL is seeking potential contractors to provide support to its applied research and development program. The R&D project involves the use of ...

A technology for converting radio frequency signals into direct current electricity has been developed by researchers at the University of Central Florida to help meet the expanding energy ...

SANTA ANA, Calif., Sept. 19, 2025 (GLOBE NEWSWIRE) -- TTM Technologies, Inc. (NASDAQ: TTMI) (“TTM”), a leading global manufacturer of technology solutions ...

The image, assembled by researchers from the International Centre for Radio Astronomy Research (ICRAR), captures the Milky ...