====================================================
File description:
====================================================
--File:                   /data2/a_envoyer/2023/11/20231118_211930_extract2.dat
--File size:               30.20 Go
--size of the Header:     12324    octets
--data:                   Spectrum
--start time:             2023-11-18 21:19:30.399083
--stop  time:             2023-11-18 21:48:17.403757
--duration (min):                28.783411
--dt (msec):                  2.621440
--accumulation:           8       
--number of channels:     4       
--number of cubes:        658801  
--number of frequencies:  3072    
--central freq (MHz):      10.94
--freq echantillon (MHz): 200.00
--Bandwidth (MHz):          9.37
--first frequency (MHz):    6.25
--last frequency (MHz):    15.62