Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	35.45	446.875	568.75	34.8125	36.087500000000006	1.2750000000000057	20250201_013250UTC_V00OS11.WAV
O	35.456248	433.333225	582.291775	34.824996	36.087500000000006	1.262504000000007	20250201_013250UTC_V00OS11.WAV
U	31.05	853.1227249999996	1002.0812749999996	30.525	31.575	1.0499999999999972	20250201_013250UTC_V00OS11.WAV
U	11.275	826.0395000000001	988.5395	10.6375	11.9125	1.2749999999999986	20250201_013250UTC_V00OS11.WAV
T	15.725	446.8727249999996	595.8312749999997	15.45	16.0	0.5500000000000007	20250201_013250UTC_V00OS11.WAV
T	55.156248	419.7917750000003	636.4582250000003	54.512496	55.8	1.2875039999999984	20250201_013250UTC_V00OS11.WAV
U	50.856248	866.6687250000002	1015.6272750000004	50.274996	51.4375	1.1625039999999984	20250201_013250UTC_V00OS11.WAV
O	16.15	270.8354999999999	555.2104999999999	16.0125	16.287499999999998	0.2749999999999986	20250201_013250UTC_V00OS11.WAV
O	3.825	270.83322499999986	419.7917749999998	3.125	4.525	1.4000000000000004	20250201_013250UTC_V00OS11.WAV
O	41.793752	230.2062749999999	446.872725	41.062504	42.525	1.4624960000000016	20250201_013250UTC_V00OS11.WAV