====================================================
File description:
====================================================
--File:                   /data2/a_envoyer/2020/11/20201107_142238_extract2.dat
--File size:               59.34 Go
--size of the Header:     32804    octets
--data:                   Spectrum
--start time:             2020-11-07 14:22:38.047767
--stop  time:             2020-11-07 14:43:51.711066
--duration (min):                21.227722
--dt (msec):                  2.621440
--accumulation:           8       
--number of channels:     4       
--number of cubes:        485865  
--number of frequencies:  8192    
--central freq (MHz):      18.75
--freq echantillon (MHz): 200.00
--Bandwidth (MHz):         25.00
--first frequency (MHz):    6.25
--last frequency (MHz):    31.25