Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	50.906248	108.33550000000017	555.2105000000003	50.149996	51.6625	1.512504000000007	20250412_054035UTC_V00OS11.WAV
E	37.587504	216.6687250000004	568.7522750000004	36.900004	38.275004	1.375	20250412_054035UTC_V00OS11.WAV
M	30.481248	27.081274999999792	121.8727249999998	30.137498	30.824998	0.6875	20250412_054035UTC_V00OS11.WAV
H	47.181248	203.1227250000001	595.8312750000001	46.4375	47.92499599999999	1.487495999999993	20250412_054035UTC_V00OS11.WAV
E	47.2	230.208225	582.291775	46.462500000000006	47.9375	1.4749999999999943	20250412_054035UTC_V00OS11.WAV