When it comes to actual antennas in the real world, much of our knowledge is empirical. We know very broadly theories that explain how a point charge radiates (Maxwell’s equations), the need for ...

Hold onto your rabbit ears! In this age of streaming services and endless channels, you might think TV antennas are about as relevant as a cassette tape. But guess what? Those trusty antennas from ...

Sometimes the best technology is old school. And after writing columns recently on devices like Roku and Chromecast that help stream shows and movies to your TV, I was solicited by over-the-air ...

Experimental technologies offer elegant, inexpensive solutions. Researchers are studying applications and materials for creating radio antennas that are sprayed onto a surface. Made from commercially ...

GPS can be a bit complex of a technology – you have to receive a signal below the noise floor, do quite a bit of math that relies on the theory of relativity, and, adding insult to injury, you also ...

Build as described above but omit the reflector. I use such an antenna for UHF (675MHz centre) DVB-T transmissions. It compares very favourably to commercial Yagis. Gain is about 6 dBi and it has two ...

Karl Rudnick, a retired 69-year-old mathematician who lives in Solana Beach, Calif., recently bought a second home outside Minneapolis to be close to family members. He did not have to draw on his ...

Traditional cable television is rapidly becoming obsolete in today’s fast-paced digital world. The rising costs, limited channel options, and restrictive contracts make it increasingly clear that ...

Digital television is here and the newwide-screen setsare selling. But you can't get digital signals, includingWRAL-HD'shigh definition channel 32, on cable. The only way to receive HDTV and other ...