====================================================
File description:
====================================================
--File:                   /data2/a_envoyer/2021/07/20210713_032018_extract2.dat
--File size:               23.76 Go
--size of the Header:     28708    octets
--data:                   Spectrum
--start time:             2021-07-13 03:20:18.139158
--stop  time:             2021-07-13 03:30:01.000652
--duration (min):                9.7143582
--dt (msec):                  2.621440
--accumulation:           8       
--number of channels:     4       
--number of cubes:        222345  
--number of frequencies:  7168    
--central freq (MHz):      17.19
--freq echantillon (MHz): 200.00
--Bandwidth (MHz):         21.87
--first frequency (MHz):    6.25
--last frequency (MHz):    28.12