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File description:
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--File:                   /data2/a_envoyer/2024/11/20241102_223902_extract2.dat
--File size:               120.19 Go
--size of the Header:     32804    octets
--data:                   Spectrum
--start time:             2024-11-02 22:39:02.038219
--stop  time:             2024-11-02 23:22:01.747501
--duration (min):                42.995155
--dt (msec):                  2.621440
--accumulation:           8       
--number of channels:     4       
--number of cubes:        984082  
--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