====================================================
File description:
====================================================
--File:                   /data2/a_envoyer/2026/01/20260101_000519_extract2.dat
--File size:               8.55 Go
--size of the Header:     16420    octets
--data:                   Spectrum
--start time:             2026-01-01 00:05:19.691326
--stop  time:             2026-01-01 00:11:26.677185
--duration (min):                6.1164310
--dt (msec):                  2.621440
--accumulation:           8       
--number of channels:     4       
--number of cubes:        139995  
--number of frequencies:  4096    
--central freq (MHz):      12.50
--freq echantillon (MHz): 200.00
--Bandwidth (MHz):         12.50
--first frequency (MHz):    6.25
--last frequency (MHz):    18.75