Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	37.881248	1435.4187249999998	1909.377275	37.599998	38.162498	0.5625	20250218_135050UTC_V00OS11.WAV
M	1.737496	40.62727500000035	135.41872500000034	1.324996	2.149996	0.8249999999999997	20250218_135050UTC_V00OS11.WAV