GNU software-defined Radio opens a whole new world

With little ingenuity, you can make your simple looking device work as a digital TV or a satellite radio receiver, an AM/FM tuner, an analog TV receiver, and a military radar installation, all at the same time.

gnu

Yes, we are talking about the GNU Radio, a software toolkit for learning, building and making software-defined radios that use small bits of radio spectrum perform tasks unimaginable with conventional radios. The GNU Radio software is available free, licensed under the GPL, and with right hardware combination, you can tune in and record every FM radio show, or all the cellular traffic on a certain street corner. Although, it is an old concept but it still lures with its intact mettle and impeccability.

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Via: boingboing