Collaborate Disseminate
You turn the dial on your radio, and hear a powerful source of interference crackle in over the baseline noise. You’re interested as to where it might be coming from. …read more Continue reading Supercon 2024: How To Track Down Radio Transmissions
The world’s militaries have always been at the forefront of communications technology. From trumpets and drums to signal flags and semaphores, anything that allows a military commander to relay orders …read more Continue reading Radio Apocalypse: Meteor Burst Communications
[Bill Dudley] had a problem. He had an Onkyo AV receiver that did a great job… until it didn’t. A DSP inside failed. When that happened, the main microprocessor running …read more Continue reading Onkyo Receiver Saved With An ESP32
[Jamie] decided to build a generator, and Lego is his medium of choice. Thus was created a fancy levitating generator that turns a stream of air into electricity. The basic …read more Continue reading Levitating Lego Generator Runs On Air
GPS is an incredible piece of modern technology. Not only does it allow for locating objects precisely anywhere on the planet, but it also enables the turn-by-turn directions we take …read more Continue reading Writing a GPS Receiver from Scratch
GPS is an incredible piece of modern technology. Not only does it allow for locating objects precisely anywhere on the planet, but it also enables the turn-by-turn directions we take …read more Continue reading Writing a GPS Receiver from Scratch
There’s something magical about the clunk of a heavy 1950s portable radio – the solid thunk of Bakelite, the warm hum of tubes glowing to life. This is exactly why …read more Continue reading Hacking a Heavyweight Philco Radio
Shortwave radio has a charm all its own: part history, part mystery, and a whole lot of tech nostalgia. The Hallicrafters S-53A is a prime example of mid-century engineering, but …read more Continue reading Shortwave Resurrection: A Sticky Switch Fix on a Hallicrafters
When the first artificial satellite, Sputnik, was put into orbit around Earth, anyone in the path of the satellite could receive the beeps transmitted by the satellite provided they had …read more Continue reading Communicating With Satellites Like It’s 1957
The moon is a popular target for ham radio operators to bounce signals since it’s fairly large and follows a predictable path. There are some downsides, though; it’s not always …read more Continue reading Bouncing Signals off of Satellites Other than the Moon