Fighting with computers

Computers are not always friendly.

Tuesday, April 26, 2016

SDR-Art

I am working on an Art project that requires some radio-reception capability on a Raspberry Pi. I available online. But given the local nature of the data I need to treat this time I have to use a local receiver.
have used in the past some interesting website that feature an SDR device whose reception is

One suitable device I found very inexpensive are DVB-T USB dongles originally intended for watching Digital TV on a computer. These dongles can be had for less than $10 on eBay. The good thing is that the chipsets employed are Linux supported and there is a bunch of useful software that can use them as a Software Defined Radio (SDR).

What is SDR? Well, basically it can act as a multipurpose radio scanner for many different purposes as spectrum usage recorder, amateur radio receiver or just listening to FM radio or airplane ADS-B transponders. For that latter purpose there is a cool program called dump1090 that will receive and decode the messages of the airplanes' transponders reaching your receiver.

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