Passive Radar Explained
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
Tag Archives: Radar
Using a Scientific Satellite for Passive Radar
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
Open Source Radar Has Up To 20 KM Range
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
Harmonic Radar Finds Hidden Electronics
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
Building a Functional Aliens Motion Tracker
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
The DEW Line Remembered
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
Presence Detection Augments 1930s Home
It can be jarring to see various sensors, smart switches, cameras, and other technology in a house built in the 1930s, like [Chris]’s was. But he still wanted presence detection …read more Continue reading Presence Detection Augments 1930s Home
Hacked Ultrasonic Sensors Let You See With Sound
If you want to play with radar — and who could blame you — you can pretty easily get your hands on something like the automotive radar sensors used for …read more Continue reading Hacked Ultrasonic Sensors Let You See With Sound
Bogey Six O’clock!: The AN/APS-13 Tail Warning Radar
Although we think of air-to-air radar as a relatively modern invention, it first made its appearance in WWII. Some late war fighters featured the AN/APS-13 Tail Warning Radar to alert …read more Continue reading Bogey Six O’clock!: The AN/APS-13 Tail Warning Radar
2025 KTM 1390 Super Adventure S Evo: The techiest production bike ever?
KTM has taken the wraps off its next premium touring motorcycle, the 2025 1390 Super Adventure S Evo. It’s packing so many new features that we’re convinced it’s got the most tech of any production bike on the market.Continue ReadingCategory: Motorcycl… Continue reading 2025 KTM 1390 Super Adventure S Evo: The techiest production bike ever?