A small utility to find out if there is some signal above noise in a rtl_sdr IQ file
rtl_fftmax [-f frequency] [-s sample rate] [-n #bins] < file.iq > 2-column-text-file
Reads stdin, writes stdout.
The input file is a raw rtl_sdr IQ file; the output is a 2-column table (frequency, value) to be used with gnuplot (or a spreadsheet)
See also https://github.com/xofc/rtl_dump
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A small utility to find out if there is some signal above noise in a rtl_sdr IQ file
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xofc/rtl_fftmax
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A small utility to find out if there is some signal above noise in a rtl_sdr IQ file
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