Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	49.575	189.5812749999998	365.62272499999983	49.0625	50.087500000000006	1.0250000000000057	20250216_040850UTC_V00OS11.WAV
D	42.356248	2600.00325	3426.04275	41.862496	42.85	0.9875040000000012	20250216_040850UTC_V00OS11.WAV