Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	49.587496	27.08127500000009	162.4977250000001	49.099996	50.074996	0.9749999999999944	20250410_031035UTC_V00OS11.WAV
P	49.581248	54.16449999999965	176.03949999999963	49.074996	50.087500000000006	1.012504000000007	20250410_031035UTC_V00OS11.WAV
D	52.993752	203.1217499999997	961.4572499999996	52.850002	53.137502	0.2874999999999943	20250410_031035UTC_V00OS11.WAV
H	44.643752	270.8355000000004	514.5855000000004	43.850004	45.4375	1.5874960000000016	20250410_031035UTC_V00OS11.WAV
T	46.443752	365.62500000000017	568.7500000000002	45.51250400000001	47.375	1.862495999999993	20250410_031035UTC_V00OS11.WAV