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 ...

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 ...

Accelerate your tech game Paid Content How the New Space Race Will Drive Innovation How the metaverse will change the future of work and society Managing the Multicloud The Future of the Internet ...

As part of a nationwide roll-out, every home in Britain should be offered a smart meter from their energy supplier by the end of 2025. But what is a smart meter and how do they work? Here's ...

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 ...

Magnetic materials are always made of metal, but not all metals are magnetic. Iron is magnetic, so any metal with iron in it will be attracted to a magnet. Steel contains iron, so a steel ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...

Certain materials feel a magnetic force. A magnetic force can be either attraction or repulsion. How to make a magnetic compass Learn how to make a magnetic compass.

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 ...

A fast selection of traits already present at a low frequency in the transplanted Crab snail population and gene flow from neighboring Wave snails that could have simply rafted over 160 meters to ...