This is the command inspectrum that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
inspectrum - tool for visualising captured radio signals
inspectrum is a tool for analysing captured signals, primarily from software-defined radio
Sample rate in Hz.
Currently inspectrum can only read files with interleaved (complex) 32-bit floats, such as
those produced by GNURadio or osmocom_fft.
Spectrogram with zoom/pan
Large (multi-gigabyte) file support
#inspectrum on freenode IRC
Use inspectrum online using onworks.net services