Building your own SDR-based Passive Radar on a Shoestring

Posted by bob on Jun 7, 2015 9:09 PM EDT
Hackaday; By Juha Vierinen 		Mail this story
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Currently I work at the MIT Haystack Observatory, where I explore a number of exciting topics, including, but not limited to: high power large aperture radar measurements of the ionosphere, meteors, and planetary objects; passive radar, milliwatt class spread spectrum HF radar, megawatt class ionospheric heating, ionospheric remote sensing with global navigation satellites, and radio astronomy. I’ve published two open source projects that turn your software defined radar into a radio remote sensing instrument: the GNU Chirp Sounder, which allows you to listen to over the horizon radars and chirp ionosondes all around the world; and the GNU Ionospheric Tomography Receiver (Jitter), which allows you the determine the line integral of ionospheric electron density by listening to 150/400 MHz coherent beacons on satellites.

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