Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	48.7062504	934.3772750000004	1069.7937250000004	47.9999984	49.4125024	1.4125039999999984	20250411_063435UTC_V00OS11.WAV
T	49.018752	487.4977250000002	636.4562750000002	48.362504	49.675	1.312495999999996	20250411_063435UTC_V00OS11.WAV
O	49.018752	501.03949999999975	663.5394999999997	48.375	49.662504	1.2875039999999984	20250411_063435UTC_V00OS11.WAV
E	54.512496	487.49999999999966	690.6249999999997	54.049996	54.974996	0.9249999999999972	20250411_063435UTC_V00OS11.WAV
T	42.112496	501.04177500000014	636.4582250000001	41.449996	42.774996	1.3250000000000028	20250411_063435UTC_V00OS11.WAV
U	42.112496	501.043725	650.002275	41.462496	42.762496	1.2999999999999972	20250411_063435UTC_V00OS11.WAV