Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	17.7	473.9562750000002	649.9977250000002	17.2	18.2	1.0	20250415_014035UTC_V00OS11.WAV
O	17.718752	446.87727499999977	663.5437249999998	17.224999999999998	18.212504	0.9875040000000012	20250415_014035UTC_V00OS11.WAV
D	18.456248	203.12175000000008	1002.0822500000002	18.187498	18.724998	0.5375000000000014	20250415_014035UTC_V00OS11.WAV
O	49.1	162.50000000000028	284.3750000000003	48.4375	49.7625	1.3250000000000028	20250415_014035UTC_V00OS11.WAV
U	27.706248	920.8332249999996	1069.7917749999997	26.9625	28.449996	1.4874960000000002	20250415_014035UTC_V00OS11.WAV
D	29.0	230.2104999999999	1002.0855	28.7375	29.2625	0.5249999999999986	20250415_014035UTC_V00OS11.WAV
O	35.975	189.58322500000017	338.54177500000014	35.0125	36.9375	1.9249999999999967	20250415_014035UTC_V00OS11.WAV
D	38.662496	189.58225	1029.16775	38.387496	38.937496	0.5499999999999972	20250415_014035UTC_V00OS11.WAV