Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	29.856248	270.83322499999974	501.0417749999997	29.3	30.412496	1.1124960000000002	20250423_050435UTC_V00OS11.WAV
E	26.281248	270.8354999999999	555.2104999999999	25.875	26.687496000000003	0.812496000000003	20250423_050435UTC_V00OS11.WAV
P'	26.262504	257.29177500000003	555.208225	25.862504	26.662504	0.7999999999999972	20250423_050435UTC_V00OS11.WAV
P	38.387496	81.25000000000014	243.7500000000001	37.937496	38.837496	0.9000000000000057	20250423_050435UTC_V00OS11.WAV
P'	41.943752	284.37727500000005	460.4187250000001	41.475	42.412504000000006	0.937504000000004	20250423_050435UTC_V00OS11.WAV
O	18.437504	270.83322499999986	419.7917749999998	18.012504	18.862504	0.8500000000000014	20250423_050435UTC_V00OS11.WAV