Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	40.931248	338.54177500000003	473.958225	40.45	41.412496	0.9624960000000016	20250413_092835UTC_V00OS11.WAV
O	45.412496	352.0854999999998	555.2104999999998	44.799996	46.024996	1.2249999999999943	20250413_092835UTC_V00OS11.WAV
T	45.437504	365.62500000000017	568.7500000000002	44.862504	46.012504	1.1500000000000057	20250413_092835UTC_V00OS11.WAV