====================================================
File description:
====================================================
--File:                   /data2/a_envoyer/2021/04/20210415_054110_extract2.dat
--File size:               48.66 Go
--size of the Header:     24612    octets
--data:                   Spectrum
--start time:             2021-04-15 05:41:10.401259
--stop  time:             2021-04-15 06:04:22.797448
--duration (min):                23.206603
--dt (msec):                  2.621440
--accumulation:           8       
--number of channels:     4       
--number of cubes:        531158  
--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