inspectrum binary package in Ubuntu Lunar s390x

 inspectrum is a tool for analysing captured signals, primarily from
 software-defined radio receivers.
 .
 inspectrum supports the following file types:
  *.sigmf-meta, *.sigmf-data - Signal Metadata Format (SigMF) recordings
  *.cf32, *.cfile - Complex 32-bit floating point (GNURadio, osmocom_fft)
  *.cf64 - Complex 64-bit floating point samples
  *.cs16 - Complex 16-bit signed integer (BladeRF)
  *.cs8 - Complex 8-bit signed integer (HackRF)
  *.cu8 - Complex 8-bit unsigned integer (RTL-SDR)
  *.f32 - Real 32-bit floating point samples
  *.f64 - Real 64-bit floating point samples (MATLAB)
  *.s16 - Real 16-bit signed integer samples
  *.s8 - Real 8-bit signed integer samples
  *.u8 - Real 8-bit unsigned integer samples
 .
 Features:
  * Large (100GB+) file support
  * Spectrogram with zoom/pan
  * Plots of amplitude, frequency, phase and IQ samples
  * Cursors for measuring period, symbol rate and extracting symbols
  * Export of selected time period, filtered samples and demodulated data

Source package