Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	7.768752	148.9604999999998	1164.5854999999997	7.562502	7.975002	0.4124999999999996	20250423_151035UTC_V00OS11.WAV
D	7.762496	94.7927500000003	1164.5822500000004	7.562495999999999	7.962496	0.4000000000000003	20250423_151035UTC_V00OS11.WAV