Modern ham radio operators often face restrictions on antennas. This has made small antennas more popular, despite some limitations. [Tech Minds] reviews the GA-450 indoor active HF loop antenna ...

We don’t know if [OH8STN] has a military background, but we suspect he might since his recent post is about a “DIY Man Portable Magnetic Loop Antenna.” “Man-portable” is usually a ...

The SEC Sectors Series by RadioWaves offers a full line of high performance sector antennas engineered to provide a broad selection of beamwidths (40, 60, 90, 120 ...

These antennas have moderate inherent directivity, but arrays can be better tuned for specific directions. Loop antennas have radiation patterns that are omnidirectional ... A circular polarized wave ...

The installation of the main reflector for the antenna system of the 40-meter-aperture radio telescope completes in Shigatse, Xizang autonomous region, Oct 7, 2024. [Photo/CCTV] The main reflector ...

Here’s how it works. I couldn't live without a TV antenna. It's as important to me as any streaming service because it allows me to watch sports, sitcoms and news without having to pay a monthly ...

FarView is a low frequency (5-40 MHz) radio telescope array comprised of 100,000 dipole antennas that is enabled by the manufacture of these dipoles on the lunar surface. FarView’s primary science is ...

"Everybody in that last 35 to 40 meters is decelerating," Boldon says. "If you see somebody pull away, it's because they are decelerating less than the others. But everybody, no matter who they ...

But Katia Beauchamp's roots veer far from the sparkly beauty industry scene. Fortune cajoled this year's top 40 into sharing facts about them you won't find on the Internet (until now).

Smart meters measure your gas and electricity use, like traditional meters do, and send the readings to your energy supplier automatically. They give both you and your energy provider accurate and ...