How radios send and receive information can seem magical to the uninformed. For some people, this week’s Retrotechtacular video, “Frequency Modulation – Part 1 Basic Principles”, from the US Army ...

Even in these days of incessant tweets, texts and Facebook posts, a century-old form of social media is drawing new enthusiasts by embracing the latest technology. Members of amateur, or “ham’’ radio ...

Amplitude modulation (AM) is by far the oldest form of modulation known. The first broadcast stations were AM, but even earlier, CW or continuous-wave signals with Morse code were a form of AM.

How radios send and receive information can seem magical to the uninformed. For some people, this week’s Retrotechtacular video, “Frequency Modulation – Part 1 Basic Principles”, from the US Army ...

Two years ago, in my home state of Kentucky, we had a devastating tornado that traveled nearly 200 miles, leveled towns, killed scores of people, and left widespread devastation. When emergency ...

MILWAUKEE—Long ago, before Facebook, Twitter and email, ham radio operators were the original social media geeks. And they’re still out there, in greater numbers than ever, chatting and messaging each ...

In this day and age, there are countless methods of communication, but let's not leave radios in the past. Although smartphones offer similar functions, radios are still a trusted form of ...

Photo by Doug Loyer Richard Miller, President of the Marietta Amateur Radio Club watches club member Matt Pooler making contact with another station. MARIETTA — The Marietta Amateur Radio Club ...

No one's keeping score, or so they say. But by the end of the day, it's a sure bet the Baton Rouge Amateur Radio Club will be comparing its tally of contacts to other clubs throughout North America.

A prior version of this story stated incorrectly that “the higher the frequency, the shorter the wavelength, and the farther signals can travel.” It has been corrected as follows: “Such shortwave ...