GNU Radio is a Free & Open-Source Toolkit for Software Radio


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Latest Blog

Blog Applications

Tracking Rockets with GNSS-SDR

A HAM's story about rockets and using GNU Radio through GNSS-SDR.
Blog Features

The Frequency Xlating FIR Filter Block – Explained

Ever wondered how the Frequency Translating FIR Filter block can be used? Did you know it can be used as a channelizer? Check out this post to learn more.
Blog Development, Features

Behind the Veil: A Peek at GNU Radio’s Buffer Architecture

GNU Radio employs a buffer architecture that unites the advantages of the classical ring buffer with the technical feasibility of memory mapped buffering on modern operating system. The different kinds of approaches are introduced, illustrated, and an example shows why workload sizes in GNU Radio are non-deterministic.

Upcoming Community Events

GNU Radio Workshop @ HAMRADIO Friedrichshafen 2017

We are proud to present a GNU Radio workshop as introductory session to the Software Defined Radio Academy session of 20…


SDR Academy @ HAMRADIO Friedrichshafen 2017

SDRA-2017 invites radio amateurs and researchers from acadaemia and industry to submit papers for oral and poster presen…


GRCon 2017

The 7th annual GRCon! …