====================================================
File description:
====================================================
--File:                   /data2/a_envoyer/2021/05/20210525_034158_extract2.dat
--File size:               5.34 Go
--size of the Header:     20516    octets
--data:                   Spectrum
--start time:             2021-05-25 03:41:58.988550
--stop  time:             2021-05-25 03:45:02.481499
--duration (min):                3.0582158
--dt (msec):                  2.621440
--accumulation:           8       
--number of channels:     4       
--number of cubes:        69998   
--number of frequencies:  5120    
--central freq (MHz):      14.06
--freq echantillon (MHz): 200.00
--Bandwidth (MHz):         15.62
--first frequency (MHz):    6.25
--last frequency (MHz):    21.87