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File description:
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--File:                   /data2/a_envoyer/2023/09/20230925_005904_extract2.dat
--File size:               7.43 Go
--size of the Header:     8228     octets
--data:                   Spectrum
--start time:             2023-09-25 00:59:04.734344
--stop  time:             2023-09-25 01:09:41.566013
--duration (min):                10.613861
--dt (msec):                  2.621440
--accumulation:           8       
--number of channels:     4       
--number of cubes:        242933  
--number of frequencies:  2048    
--central freq (MHz):       9.37
--freq echantillon (MHz): 200.00
--Bandwidth (MHz):          6.25
--first frequency (MHz):    6.25
--last frequency (MHz):    12.50