Collaborate Disseminate
It’s been more than a year since [Henrik Forstén] built the first iteration of his synthetic-aperture radar (SAR) imaging drone, and he’s certainly been productive in the meantime. Not only …read more Continue reading Synthetic Aperture Radar Drone Gets Interferometric Imaging
If you’re flying high in the sky, it’s useful to know if there’s turbulence, heavy rain, or other nasty weather ahead. Onboard weather radar is a useful tool that pilots …read more Continue reading Tearing Down Aircraft Weather Radar Avionics
If you run a large meteorology bureau, then you probably have access to a wonderful weather radar for scrying the heavens. The rest of us aren’t so lucky. If you …read more Continue reading Building a Portable Weather Radar
An Iranian-linked hacker group called Handala claimed to have hit Israeli military targets with massive cyberattacks on Sunday,… Continue reading Handala Claims Israeli Radar Hack, But Evidence Shows Phone Admin Panel
It is an old trope in submarine movies. A sonar operator strains to hear things in the ocean but dares not “ping” for fear of giving away the boat’s location. …read more Continue reading Passive Radar Explained
The basic principle of radar systems is simple enough: send a radio signal out, and measure the time it takes for a reflection to return. Given the abundant sources of …read more Continue reading Using a Scientific Satellite for Passive Radar
Phased-array radars are great for all sorts of things, whether you’re doing advanced radio research or piloting a fifth-generation combat aircraft. They’re also typically very expensive. [Nawfal] hopes to make …read more Continue reading Open Source Radar Has Up To 20 KM Range
For as long as small, hidden radio transmitters have existed, people have wanted a technology to detect them. One of the more effective ways to find hidden electronics is the …read more Continue reading Harmonic Radar Finds Hidden Electronics
Aliens is the second film from the legendary science-fiction series about, well… aliens. Naturally, it featured some compelling future-tech — such as the M314 Motion Tracker. [RobSmithDev] wanted to recreate …read more Continue reading Building a Functional Aliens Motion Tracker
If you grew up in the middle of the Cold War, you probably remember hearing about the Distant Early Warning line between duck-and-cover drills. The United States and Canada built …read more Continue reading The DEW Line Remembered