Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	18.131248	880.2104999999998	1042.7104999999997	17.099999999999998	19.162496	2.062496000000003	20250215_200850UTC_V00OS11.WAV
U	26.95	920.8312749999998	1056.2477249999995	26.0125	27.8875	1.875	20250215_200850UTC_V00OS11.WAV
U	15.937504	880.2105000000004	1123.9605000000004	15.887504	15.987504	0.1000000000000014	20250215_200850UTC_V00OS11.WAV
U	15.043752	866.6687249999998	1056.2522749999998	14.0875	16.000004	1.912504	20250215_200850UTC_V00OS11.WAV