Tag: radar

via HACKADAY: Automotive Radar and the Doppler Effect

With more and more cars driving themselves, there is an increasing demand for precise environment aware sensors. From collision avoidance to smooth driving, environmental awareness is a must have for any self-driving cars. Enter automotive radar: cool, precise and relatively cheap. Thanks to a donated automotive radar module, [Shahriar] gifts us with a “tutorial, experiment […]

via HACKADAY: Acoustic Mirrors: How to Find Planes without RADAR

A lot of science museums and parks feature something called an acoustic mirror. The one at Houston’s Discovery Green park is called the listening vessels. [Doug Hollis] created two acoustic mirrors 70 feet apart, pointing at each other. If you stand or sit near one of the vessels, you can hear a whisper from someone […]

This Week in Amateur Radio #924

Edition # 924 – Release date: Saturday, November 12, 2016 This podcast is suitable for air on amateur radio frequencies. Download here: https://archive.org/details/TWIAR924HAM Here are the stories making news … This Week in Amateur Radio: Amateur Radio “Uniquely Situated” to be at Leading Edge Again, Conferees Told “Noisy Electronics” Have Increased HF, VHF Noise Floors […]

PODCAST: This Week in Amateur Radio #923

Edition # 923 – Release date: Saturday, November 5, 2016 This podcast is suitable for air on amateur radio frequencies. Download here: https://archive.org/details/TWIAR923HAM Here are the stories making news … This Week in Amateur Radio: 2 men arrested on domestic terrorism charges after threatening to blow up HAARP RSGB criticizes UK Channel 5 television over […]

New Russian Arctic Over-the-Horizon Radars Set for 2017 Startup

According to media accounts, more long-range, new over-the-horizon (OTH) radars that can identify aerial and sea targets hundreds of miles away are scheduled to begin operation next year in the Russian Arctic. It’s doubtful, however, that the news heralds the return of interference on the level of that generated by the so-called “Russian Woodpecker” OTH […]

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