[DXCommander] shows us his 40 meter two-element vertical antenna build in the video below. A typical Yagi is just a dipole with some slightly longer or shorter elements to direct or reflect the ...
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 ...
His recent video shows how to put up a workable basic HF antenna in a small backyard. The center of the system is a 49:1 unun. An unun is like a balun, but while a balun goes from balanced line to ...
Chip antennas are a particular type of antenna valued for their small footprint. They are most commonly integrated in circuit boards to radiate high frequency electromagnetic waves. They have a ...
This section addresses the first type of design. Figure 2-15: Four methods for generating circular polarization from a rectangular microstrip antenna using a single feed. (I) Using the aspect ratio of ...
The best indoor TV antennas let you receive free over-the-air broadcast TV channels without having to install a large outdoor antenna on the roof of your home. You’ll find that the main ...
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 News] The main ...
It only takes about five seconds to get a sense of how well you're aging. Stand up. Stretch out. And get ready to walk your hardest. The 6-meter walk test has become a key vital sign that ...