Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	50.712504	270.833225	744.791775	50.475004000000006	50.950004	0.4749999999999943	20250130_035650UTC_V00OS11.WAV
D	50.712504	189.58127499999975	771.8727249999998	50.512504	50.912504000000006	0.4000000000000057	20250130_035650UTC_V00OS11.WAV
I	29.225	284.3772750000003	785.4187250000002	28.975	29.475	0.5	20250130_035650UTC_V00OS11.WAV
B	24.843752	0.0	189.5812750000001	24.762502	24.925002	0.1625000000000014	20250130_035650UTC_V00OS11.WAV