====================================================
File description:
====================================================
--File:                   /data2/a_envoyer/2025/10/20251002_030512_extract2.dat
--File size:               29.94 Go
--size of the Header:     16420    octets
--data:                   Spectrum
--start time:             2025-10-02 03:05:12.831818
--stop  time:             2025-10-02 03:26:37.287615
--duration (min):                21.407597
--dt (msec):                  2.621440
--accumulation:           8       
--number of channels:     4       
--number of cubes:        489982  
--number of frequencies:  4096    
--central freq (MHz):      12.50
--freq echantillon (MHz): 200.00
--Bandwidth (MHz):         12.50
--first frequency (MHz):    6.25
--last frequency (MHz):    18.75