Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	46.081248	230.2105000000004	352.0855000000004	45.337500000000006	46.824996	1.487495999999993	20250417_184035UTC_V00OS11.WAV
P	46.1	216.6644999999998	338.5394999999998	45.35	46.85	1.5	20250417_184035UTC_V00OS11.WAV
O	46.087504	216.6644999999998	338.5394999999998	45.337504	46.837504	1.5	20250417_184035UTC_V00OS11.WAV
O	52.825	189.58322500000017	338.54177500000014	51.95	53.7	1.75	20250417_184035UTC_V00OS11.WAV