Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	55.318752	636.4604999999999	798.9604999999999	54.63750400000001	56.0	1.362495999999993	20250311_062017UTC_V00OS11.WAV
U	54.7	920.8355000000004	1083.3355000000004	54.075	55.325	1.25	20250311_062017UTC_V00OS11.WAV
U	51.137504	636.4562749999997	812.4977249999996	50.125004	52.150004	2.0250000000000057	20250311_062017UTC_V00OS11.WAV
E	32.3687504	176.0437250000004	812.5022750000003	32.037500400000006	32.7000004	0.6624999999999943	20250311_062017UTC_V00OS11.WAV
T	46.95	203.12500000000017	325.00000000000017	46.075	47.825	1.75	20250311_062017UTC_V00OS11.WAV
O	42.618752	216.6644999999998	338.5394999999998	41.975	43.262504	1.2875039999999984	20250311_062017UTC_V00OS11.WAV
O	46.9	189.58322500000017	338.54177500000014	46.0875	47.7125	1.625	20250311_062017UTC_V00OS11.WAV