====================================================
File description:
====================================================
--File:                   /data2/a_envoyer/2022/02/20220201_084800_extract2.dat
--File size:               170.34 Go
--size of the Header:     24612    octets
--data:                   Spectrum
--start time:             2022-02-01 08:48:55.755685
--stop  time:             2022-02-01 10:10:09.998287
--duration (min):                81.237377
--dt (msec):                  2.621440
--accumulation:           8       
--number of channels:     4       
--number of cubes:        1859377 
--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