Modern ham radio operators often face restrictions on antennas ... meter ham bands. According to the video, performance below 7 MHz was lackluster, but it worked nicely at higher frequencies. The ...
It’s thus worth putting in the effort to make a better antenna, and if you’re not fortunate enough to have a lot of space, your best choice may be a magnetic loop. [Robert Hart] takes us ...
They can have an unlimited number of shapes and sizes, but can transmit/receive in almost any polarization. These antennas have moderate inherent directivity, but arrays can be better tuned for ...
Description: A.H. Systems' FCC-1 antenna provides an accurate standard for precise EMI and site anttenuation measurements (per OET-55 and ANSI C63.5). The FCC-1 is manufactured per the FCC balun ...
The 75-inch model of the TCL Q6 is another affordable option if you’re really looking to fill out a home theater. The 75-inch screen utilizes QLED picture technology, which produces one of the ...
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 ...
Here’s how it works. If you're shopping for the best 75-inch TV for your home, I have good news: You have a great selection of options. I've been testing and reviewing TVs for over ten years ...
Use this chart to estimate your obesity level based on your weight and height. An example is shown for an individual who weighs 80 kg (176 lbs) and stands 1.75 meters (175 cm or 69 inches) tall. Those ...
Do you share a special connection with someone? Is he or she your special person? This Love meter will help you find out. This is a simple Love Calculator which displays love percentage based on names ...
Freshmen of the class of 1977 of Beijing Normal University study in the library in March 1978. [Photo/Xinhua] As we mark the 75th anniversary of the founding of the People's Republic of China, it ...