====================================================
File description:
====================================================
--File:                   /data2/a_envoyer/2021/07/20210710_011435_extract2.dat
--File size:               63.36 Go
--size of the Header:     36900    octets
--data:                   Spectrum
--start time:             2021-07-10 01:14:35.136781
--stop  time:             2021-07-10 01:34:44.037445
--duration (min):                20.148344
--dt (msec):                  2.621440
--accumulation:           8       
--number of channels:     4       
--number of cubes:        461160  
--number of frequencies:  9216    
--central freq (MHz):      20.31
--freq echantillon (MHz): 200.00
--Bandwidth (MHz):         28.12
--first frequency (MHz):    6.25
--last frequency (MHz):    34.37