====================================================
File description:
====================================================
--File:                   /data2/a_envoyer/2021/03/20210313_095216_extract2.dat
--File size:               56.58 Go
--size of the Header:     24612    octets
--data:                   Spectrum
--start time:             2021-03-13 09:52:16.161625
--stop  time:             2021-03-13 10:19:15.225867
--duration (min):                26.984404
--dt (msec):                  2.621440
--accumulation:           8       
--number of channels:     4       
--number of cubes:        617625  
--number of frequencies:  6144    
--central freq (MHz):      15.62
--freq echantillon (MHz): 200.00
--Bandwidth (MHz):         18.75
--first frequency (MHz):    6.25
--last frequency (MHz):    25.00