The sky is awash with radio-frequency interference (RFI), but thanks to two astronomers who tracked down a stray TV broadcast ...

Bangalore-based Tonbo Imaging has unveiled a high-power microwave (HPM) directed energy weapon (DEW) system that can help ...

To address this issue, this paper proposes a novel method for measuring solid concentration by developing a Yagi antenna-based microwave sensor. The dimensions of the Yagi antenna are optimized ...

The tower in the middle has a 4-element Ultrabeam for 14-28 MHz and above it, a 7-10MHz array with two ... the 14 MHz OWA 5-element Yagi and on the right the top of the 1,8 MHz vertical. This is the ...

The best indoor TV antennas let you access local broadcast channels without paying for a cable, satellite, or streaming subscription. Many top TV antennas are affordable, paper-thin, and easily ...

If you want to cut the cord but keep live TV, you need the right antenna to tune into over-the-air broadcasts. Here's what you need to know, along with our top picks. I’ve been PCMag’s home ...

All you need is an antenna to tune into TV stations the old-fashioned way (in high-definition with digital signals, of course). If you want to keep up with local programming or just want some more ...

That’s where a good TV antenna comes in. With the Super Bowl coming up, now’s a great time to pick up a new OTA (over the air) antenna, which will can you a feed of your local FOX affiliate ...

Department of Chemistry, Key Lab of Organic Optoelectronics & Molecular Engineering, Tsinghua University, Beijing 100084, P. R. China Fujian Provincial Key Laboratory of Terahertz Functional Devices ...

The best TV antennas are no longer the bunny ear-style TV toppers of yesteryear; they are diminutive but powerful with tons of variations depending on the range and design you’re after.

The last 144 MHz array to be attached to the main antenna tower is ready. Miloslav, OK1VUM, in black, and Vitek, OK1AXD, are about to carry the stack. The VHF antennas are not always small and compact ...