I’ve been playing with KA9Q-Radio SDR software over the past year, which runs on Linux and supports the wideband RX-888 mkii SDR hardware. Recently M9PSY wrote a phenomenal system around that software titled UberSDR. This is both a phenomenal web based SDR receiver, capable of supporting unlimited users and unlimited bandwidth coverage / listening between 0-30 MHz. It is open-source and can be easily downloaded onto a Linux OS with a one line script which creates two Docker containers. Check out my K1RA UberSDR instance here and a list of other running the software publicly available UberSDR instances. There are numberous features above and beyond a typical web accessible SDR, like real-time digital mode decoding and mapping, live and historic band condition graphs and local noise floor monitoring and graphing per band. Check it out!


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