Category: General

Man rescued from atop ham radio antenna (Massachusetts)

An 80-year-old Edgartown man was rescued Monday morning by the Edgartown Fire Department from a ham radio tower in his yard. William Welch, an electrician and avid amateur radio operator, got his sneaker caught atop a 20-foot-tall backyard antenna after he scaled the structure to secure it ahead of the impending nor’easter, his wife Betty […]

2018 State of Ham Radio Survey

Dustin Thomas, N8RMA is conducting his second State of Amateur Radio survey Once again I’m hosting a “State of the Hobby” survey for 2018. This started out in 2017 as simple curiosity. While browsing Reddit I began to notice several users posting surveys for highly specific topics. I made sure to participate yet often wondered […]

via HACKADAY: Teardown Of An UWB Location Beacon

Outdoor navigation is a problem that can be considered solved for decades or maybe even centuries, depending on the levels of accuracy, speed and accessibility required. Indoor navigation and location, on the other hand, is a relatively new field and we are still figuring it out. Currently there are at least four competing technologies pushed […]

via HACKADAY: Quantifying Latency in Cheap RC Transmitters

For those just starting out in the world of RC, a low cost transmitter like the Flysky FS-i6S can be very compelling. But is buying a cheap transmitter setting yourself up for failure down the line? The general feel in the RC community has been that cheaper transmitters have higher latency or “lag” on their […]

via HACKADAY: AI Listens to Radio

We’ve seen plenty of examples of neural networks listening to speech, reading characters, or identifying images. KickView had a different idea. They wanted to learn to recognize radio signals. Not just any radio signals, but Orthogonal Frequency Division Multiplexing (OFDM) waveforms. OFDM is a modulation method used by WiFi, cable systems, and many other systems. In particular, they […]

via the ARRL: Radio Amateur Named as Next President of Harvard University

Lawrence S. Bacow, KA1FZQ, of Brookline, Massachusetts, has been selected to become the 29th president of Harvard University, the home of W1AF. Selected from among a field of some 700 candidates, Bacow will take office on July 1, succeeding Drew Faust. “Larry Bacow is one of the most accomplished, admired, insightful, and effective leaders in […]

via the ARRL: NBC News Left Field Report Says Hams “Could Save Our Lives” in a Disaster

A team from NBC News’ nascent digital news unit Left Field was in Hawaii to visit with some radio amateurs to produce a report when the false nuclear missile alert happened on January 13. Left Field’s report points out how much we rely on cell phones and 21st century technology…and what we would do if […]

Four ways Ham Radio connects and inspires the world

Crew members aboard the International Space Station are able to communicate with students all over the world using the station’s ham radio, a radio that uses amateur radio technology to operate. Since its inaugural contact in 2000, the Amateur Radio on the International Space Station (ARISS) project has been used to connect more than a quarter of a million students with the astronauts living and working aboard the space station, exposing […]

Berkeley neighbors seek to widen grassroots emergency radio system (California)

Berkeley is more prepared than many municipalities to face a major disaster such as an earthquake or fire, but until recently there was no infrastructure by which neighborhood disaster teams could communicate with each other if the power grid and internet went down. Now, an emergency neighborhood communications system has been set up by a […]

James Malone, Founder of Total RF and a Wireless Visionary, Dies

James Malone, founder of Total RF and a global visionary in the field of live wireless video and audio systems, died unexpectedly on Jan. 25. He is is survived by his wife, Anna Malone; mother, Marie Malone Street; children Shannon, Erin, Justin, and Tara; and stepchildren Kasia Parker and Greg Buczkiewicz. In 1991, Malone founded […]

via the ARRL: Secretive “Numbers Stations” Persist on HF

For many years, unidentified radio broadcasts have been transmitting coded messages, using numbers, such as “6-7-9-2-6. 5-6-9-9-0.” Even today, tuning across the HF spectrum typically will yield a “numbers station,” a mechanical-sounding voice (male or female) methodically announcing groups of single-digit numbers for minutes on end. According to Radio World, you may have tuned into a spy […]

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