Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	47.625	1151.0395	1272.9145	47.25	48.0	0.75	20250410_013435UTC_V00OS11.WAV
E	40.4	446.8750000000001	690.6250000000001	40.025	40.775	0.75	20250410_013435UTC_V00OS11.WAV
E	55.781248	325.0	690.625	55.587498	55.974998	0.3875000000000028	20250410_013435UTC_V00OS11.WAV
P'	51.912496	460.4145000000002	663.5395000000002	51.487496	52.337496	0.8499999999999943	20250410_013435UTC_V00OS11.WAV
E	52.918752	514.5812750000001	690.6227250000001	52.537502	53.300002	0.7625000000000028	20250410_013435UTC_V00OS11.WAV
E	51.893752	433.3354999999998	677.0854999999998	51.525002	52.262502	0.7374999999999972	20250410_013435UTC_V00OS11.WAV