Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
H	49.518752	121.87499999999972	243.7499999999997	48.987504	50.05	1.062495999999996	20250309_173817UTC_V00OS11.WAV
T	38.868752	392.7062749999998	568.7477249999998	37.825	39.912504	2.087503999999996	20250309_173817UTC_V00OS11.WAV