Ready to take your RTL Dongle to the next level or learn more about how Software Defined Radio works? Try GNU Radio. GNU Radio opens up a whole new world of experiments you can do with SDR radio. GNU Radio also allows you learn more about how SDR radio works. Once you get your head around it, you can start building your own custom SDR radio applications. One of the show stoppers for a lot of people who would like to get involved with GNU radio is the requirement to install Linux on your PC. Then you have to download and build GNU Radio. This certainly can be daunting for those who are new to the Linux operating system. Well, you don’t really have to go through this anymore to experiment with GNU Radio thanks to Kali Linux.