Emails Over Radio
The modern cellular network is a marvel of technological advancement that we often take for granted now. With 5G service it’s easy to do plenty of things on-the-go that would …read more Continue reading Emails Over Radio
Tag Archives: Radio
A NanoVNA as a Dip Meter
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
A Long-Range Meshtastic Relay
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
Hackaday Links: March 31, 2024
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
A Practical Guide To Understanding How Radios Work
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
Automatic Position Reporting Over HF Radio
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
The Hunt For Alien Radio Signals Began Sooner Than You Think
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
Super-Portable, Tunable VHF Antenna
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
Stressless Shortwave Reviewed
[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
Inside America’s Last Morse Code Station
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