SDR# steup to use the RTL-SDR/USBīefore tuning, the SDR needs to be selected from the top situated drop down menu. In addition multiple dongles can be used with SDR# on a single PC. The latest nightly build version differs from the stable version, but not in a way that will confuse so switching between the two is not a problem. Once installed the user interface is simple to navigate. I’m glad I persevered though because SDR# is really good and seems to be less CPU intensive compared directly with HDSDR.

NET Framework versions 1.0, 2.0, 3.5 and 4.5 (overkill or what?!). To be on the safe side I ended up installing. NET Framework to be installed prior to running and the problems I had installing SDR# on my laptop was because I had 4.5 installed and not 3.5. Eventually I got it working on both (funnily identical Windows XP platforms!). Installation worked flawlessly on one PC but was a total nightmare on another. There are numerous SDR# versions available (stable/nightly builds) and a degree of experimentation is required to get the program up and running.

I’ve tried both, but highly recommend SDR# as its more user friendly – especially for newcomers so we’ll stick with that. There are two popular SDR tuning programs and both are freeware: SDR# (SDRSharp) and HDSDR. Maybe you just want to listen in to some local comms? Well we really need to get some software loaded up.

So you are in receipt of a shiny new Realtek RTL2832U+R820T SDR dongle and I understand the first thing you want to do is start decoding ADS-B, ACARS or some other exotic data format. Check out the Realtek RTL2832U+R820T USB SDR at .uk

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