Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	52.268752	40.6272750000002	216.6687250000002	51.600004	52.9375	1.3374960000000016	20250307_172617UTC_V00OS11.WAV
U	50.637504	2857.291775	3033.333225	49.650004	51.625004	1.9749999999999943	20250307_172617UTC_V00OS11.WAV