====================================================
File description:
====================================================
--File:                   /databf/nda/Juno/2017/04/20170416_213554_extract2.dat
--File size:               727.03 Go
--size of the Header:     49188    octets
--data:                   Spectrum
--start time:             2017-04-16 21:35:54.536010
--stop  time:             2017-04-17 00:29:19.731312
--duration (min):                173.41992
--dt (msec):                  2.621440
--accumulation:           8       
--number of channels:     4       
--number of cubes:        3969268 
--number of frequencies:  12288   
--central freq (MHz):      25.00
--freq echantillon (MHz): 200.00
--Bandwidth (MHz):         37.50
--first frequency (MHz):    6.25
--last frequency (MHz):    43.75