Abstract: Compact and efficient optical antennas are fundamental components for many applications, including high-density fiber-chip coupling and optical phased arrays. Here we present the design of ...

When you think of directional ham radio antennas, you probably think of a Yagi, cubical quad, or a log-periodic antenna. These antennas usually are in a horizontal configuration up on a high tower.

6 Best HF Antennas for 2025 to Boost Your Ham Radio Signal Anywhere Links to the best HF Antennas are listed down below: 6. Moonraker Ltd GPA-80 5. DX Engineering XB-5 Hexx Beam HF Antenna 4. Foul ...

WASHINGTON — Rep. August Pfluger has introduced legislation that aims to ensure amateur radio operators can participate during times of emergency. The Amateur Radio Emergency Preparedness Act (HR 1094 ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

[My Ham Radio Journey] wanted to see if a “common person” (in his words) could build an effective vertical ham radio antenna. If you look at the video below, the answer is apparently yes. He started ...

SCRANTON, Pa. — A crane helped put a new antenna and tower into place on top of the Loyola Science Center at the University of Scranton with some excited onlookers nearby. "We're going to get some ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

The construction of several antennas in Jonesboro stirs up some controversy among ham radio operators, and so does a proposed bill in Augusta. After retiring from a 20-year naval stint as an ...

MATTOON — A new state-of-the-art repeater ham radio antenna was installed on Friday more than 160 feet above Mattoon on behalf of the Moultrie Amateur Radio Klub.