Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	20.843752	419.7895000000001	582.2895000000001	19.912504	21.775	1.862496	20250309_143817UTC_V00OS11.WAV
T	43.643752	433.3312750000001	568.7477250000001	42.737504	44.55	1.812495999999996	20250309_143817UTC_V00OS11.WAV
T	4.406248	406.2499999999997	568.7499999999998	3.5	5.312495999999999	1.812496	20250309_143817UTC_V00OS11.WAV
T	49.693752	433.3312750000001	568.7477250000001	48.9375	50.45000400000001	1.512504000000007	20250309_143817UTC_V00OS11.WAV