====================================================
File description:
====================================================
--File:                   /data2/a_envoyer/2021/06/20210601_050633_extract2.dat
--File size:               9.31 Go
--size of the Header:     16420    octets
--data:                   Spectrum
--start time:             2021-06-01 05:06:33.606368
--stop  time:             2021-06-01 05:13:12.974871
--duration (min):                6.6561417
--dt (msec):                  2.621440
--accumulation:           8       
--number of channels:     4       
--number of cubes:        152348  
--number of frequencies:  4096    
--central freq (MHz):      12.50
--freq echantillon (MHz): 200.00
--Bandwidth (MHz):         12.50
--first frequency (MHz):    6.25
--last frequency (MHz):    18.75