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If you play it as real speed, you also need to create a “Throttle” block using the same method and set the sample rate to 192 kHz.Select a “File Source” block, drag it into your work area, and choose a IQ file.You can play an IQ data file with file sink directly.You can find the GNU Radio installation guide here. GNU Radio is an open source SDR development toolkit available on almost any OS.

Our recommendation is to use the “File Player” plugin in SDR#, which can describe waterfall thumbnails of an entire file and also expand capability. You can find instructions for adding this tool on this blog post. Please note that in the process of the installation, you will need to add the “magic line” into FrontEnds.xml file, since this is the file which is called from section in the  text file.In order to run our data, please choose the converted wav file by choosing “File player” in the “Source” option in SDR#. Instead, you can just run the SDRSharp.exe file included in the package. Installation is not required for this software. Download SDR# (Windows SDR Software Package) from Airspy.c: Channel: 2ch for representing I-phase and Q-phase data b: Bit rate original 32bit data is required to be converted to SDR# compatible 16bit data Once the software is extracted, open command prompt to run the SoX executable included in the extracted directory with these commands.Īn IQ file 32bit and a sample rate of 192 kHz sox -e float -t raw -r 192000 -b 32 -c 2 -t wav -e float -b 32 -c 2 -r 192000 wav file using the “SoX” tool. SoX is a command line utility for sound files, which can be downloaded from Sourceforge. Convert the binary file into a SDR# compatible.Two potential options for reading raw samples are tools like SDR#, GQRX or GNU Radio.Ĭonvert GNUradio files for SDR# on Windows There are a number of ways to decode this binary data. IQ files are stored in for example raw 32bit IQ samples and a sample rate of 192 kHz.