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File description:
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--File:                   /data2/a_envoyer/2024/06/20240609_094922_extract2.dat
--File size:               3.52 Go
--size of the Header:     28708    octets
--data:                   Spectrum
--start time:             2024-06-09 09:49:22.788194
--stop  time:             2024-06-09 09:50:49.135825
--duration (min):                1.4391272
--dt (msec):                  2.621440
--accumulation:           8       
--number of channels:     4       
--number of cubes:        32940   
--number of frequencies:  7168    
--central freq (MHz):      17.19
--freq echantillon (MHz): 200.00
--Bandwidth (MHz):         21.87
--first frequency (MHz):    6.25
--last frequency (MHz):    28.12