Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	8.5375	0.0	189.5812750000001	8.4625	8.612499999999999	0.1499999999999985	20250212_055650UTC_V00OS11.WAV
O	40.918752	338.5437249999999	487.502275	40.600002	41.237502	0.6375000000000028	20250212_055650UTC_V00OS11.WAV