Collaborate Disseminate
A staple of the radio amateur’s arsenal of test equipment in previous decades was the dip meter. This was a variable frequency oscillator whose coil would be placed near the …read more Continue reading A NanoVNA as a Dip Meter
In the past few years we’ve seen the rise of low-power mesh networking devices for everything from IoT devices, weather stations, and even off-grid communications networks. These radio modules are …read more Continue reading A Long-Range Meshtastic Relay
Battlelines are being drawn in Canada over the lowly Flipper Zero, a device seen by some as an existential threat to motor vehicle owners across the Great White North. The …read more Continue reading Hackaday Links: March 31, 2024
How may radios do you own? Forget the AM/FM, GMRS/FRS radios you listen to or communicate with. We’re talking about the multiple radios and antennae in your phone, your TV, your …read more Continue reading A Practical Guide To Understanding How Radios Work
While most of us carry cell phones that have GPS and other location services, they require a significant amount of infrastructure to be useful. Drive from Washington to Alaska like …read more Continue reading Automatic Position Reporting Over HF Radio
Every 26 months, Earth and Mars come tantalizingly close by virtue of their relative orbits. The closest they’ve been in recent memory was a mere 55.7 million kilometers, a proximity …read more Continue reading The Hunt For Alien Radio Signals Began Sooner Than You Think
Ham radio is having a bit of a resurgence these days, likely due to awards programs like Parks on the Air (POTA) and Summits on the Air (SOTA), which encourage …read more Continue reading Super-Portable, Tunable VHF Antenna
[Dan Robinson] picked up a shortwave receiver known as the “stressless” receiver kit. We aren’t sure if the stress is from building a more complicated kit or operating a more …read more Continue reading Stressless Shortwave Reviewed
The Titanic famously (or infamously) used Morse code to call out in distress at the end of its final voyage. Ships at sea and the land-based stations that supported them …read more Continue reading Inside America’s Last Morse Code Station
You can listen to plenty of broadcast radio these days. There’s a lot of choice too, with stations on AM, FM, and digital broadcasts to boot. However, if you want …read more Continue reading Internet Radio Built In Charming Cassette-Like Form Factor