*.cf32, *.cfile - Complex 32-bit floating point samples (GNURadio, osmocom_fft)
*.cs16 - Complex 16-bit signed integer samples (BladeRF)
*.cs8 - Complex 8-bit signed integer samples (HackRF)
*.cu8 - Complex 8-bit unsigned integer samples (RTL-SDR)
*.sigmf-meta, *.sigmf-data - SigMF recordings
*.cf32, *.cfile - Complex 32-bit floating point samples (GNU Radio, osmocom_fft)
*.cf64 - Complex 64-bit floating point samples
*.cs32 - Complex 16-bit signed integer samples (SDRAngel)
*.cs16 - Complex 16-bit signed integer samples (BladeRF)
*.cs8 - Complex 8-bit signed integer samples (HackRF)
*.cu8 - Complex 8-bit unsigned integer samples (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