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File description:
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--File:                   /databf/nda/Juno/2017/04/20170421_025011_extract1.dat
--File size:               72.43 Mo
--size of the Header:     12324    octets
--data:                   Spectrum
--start time:             2017-04-21 02:50:11.736242
--stop  time:             2017-04-21 02:52:21.004662
--duration (min):                2.1544737
--dt (msec):                 83.886078
--accumulation:           8       
--number of channels:     4       
--number of cubes:        1542    
--number of frequencies:  3072    
--central freq (MHz):      25.00
--freq echantillon (MHz): 200.00
--Bandwidth (MHz):         37.50
--first frequency (MHz):    6.25
--last frequency (MHz):    43.74