Category: Offbeat

via HACKADAY: Number Twitters

Grab a shortwave radio, go up on your roof at night, turn on the radio, and if the ionosphere is just right, you’ll be able to tune into some very, very strange radio stations. Some of these stations are just a voice — usually a woman’s voice — simply counting. Some are Morse code. All […]

FBI Part Of Investigation Into Dallas Outdoor Warning Siren System (Texas)

City of Dallas City Manager T.C. Broadnax wants residents to know there won’t be a repeat of this weekend’s siren debacle. “I am confident the fixes we put in place this weekend ensure we will not be compromised again,” he said Monday morning in reference to steps to protect the city’s Emergency Alert Outdoor Warning […]

via HACKADAY: Ham Goes Nuts for Tiny Transmitter

What’s the minimal BOM for a working amateur radio transmitter? Looks like you can get away with seven parts, or eight if you include the walnut. You’ve got to have a walnut. Some hams really love the challenge of QRP, or the deliberate use of low-power transmitters to provide a challenge to making long-distance contacts. […]

Freeport’s ‘Mr. Friday Night’ keeps ham radio operators coming back (Illinois)

If you were to walk into Jim Dorsey’s one-bedroom apartment, you might not expect to see 30 to 50 people gather there each Friday night. Dorsey, 69, runs Friday Night Fun Net, a weekly gathering of ham radio operators. Dorsey’s net draws people from Freeport to Michigan to his living room via radio waves. As […]

via HACKADAY: Ham Radio Trips Circuit Breakers

Arc-fault circuit breakers are a boon for household electrical safety. The garden-variety home electrical fire is usually started by the heat coming from a faulty wire arcing over. But as any radio enthusiast knows, sparks also give off broadband radio noise. Arc-fault circuit interrupters (AFCI) are special circuit breakers that listen for this noise in […]

Seriously Collecting Broadcasting’s Big Iron

Some of us collect postage stamps; others coins or perhaps matchbooks. There are a few individuals who collect vacuum tubes. However, one Ohioan has set a somewhat loftier goal: amassing a collection of broadcast-type radio transmitters. Gerry Moersdorf (KC8ZUL) began rounding up such transmitters more than 15 years ago, uprooting them from their former workspaces […]

via HACKADAY: Pumping Up An Antenna From A Stream Of Sea Water

Our Hackaday readership represent a huge breadth of engineering experience and knowledge, and we get a significant number of our story tips from you. For instance, today we are indebted to [sonofthunderboanerges] for delivering us a tip in the comment stream of one of our posts, detailing an antenna created by coupling RF into a […]

Forget fake news, fake mayday calls are a real problem

An investigation has been launched into fake distress calls that have been plaguing U.S. Coast Guard officials who monitor the waters off the coast of Washington and Oregon, according to a report in Joseph Farah’s G2 Bulletin. The manufactured calls for help have been documented over the last seven or eight months, and they are […]

Lone-wolf radio hoaxer hacks Melbourne air traffic control – police (Australia)

Australian federal police are hunting a lone-wolf radio hoaxer who made 15 illegal transmissions to air-traffic controllers and domestic passenger pilots last month – including one telling a Virgin pilot to abort a landing. The agencies investigating the incidents believe only one person has made the transmissions by finding a way to tap into the […]

Terror chatter? Ham users track unauthorised radio communications on Bengal-Bangla borders (India)

Amateur radio operators in south Bengal have raised alarm over unauthorised radio communication along the Bengal-Bangladesh border. The communication is taking place using radio signals (very high frequency) at dead in the night and the sources of the signals are moving and speaking in code languages. When HAM radio operators of Bengal tried speaking to […]

Verizon workers can now be fired if they fix copper phone lines

Verizon has told its field technicians in Pennsylvania that they can be fired if they try to fix broken copper phone lines. Instead, employees must try to replace copper lines with a device that connects to Verizon Wireless’s cell phone network. This directive came in a memo from Verizon to workers on September 20. “Failure […]

Amelia Earhart mystery: New evidence shows pioneering aviator survived landing on remote Pacific Island

A DISTRESS call received by an amateur Melbourne radio operator from pilot Amelia Earhart three days after her aircraft is believed to have ditched in the Pacific in 1937 has been assessed as “credible” evidence the famous aviator survived an initial crash-landing. A dedicated group of US researchers, who have spent 28 years and millions […]

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