Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	55.318752	243.7522749999999	379.1687249999999	54.63750400000001	56.0	1.362495999999993	20250311_050817UTC_V00OS11.WAV
O	55.325	216.6645000000001	379.1645000000001	54.650000000000006	56.0	1.3499999999999943	20250311_050817UTC_V00OS11.WAV
O	7.237504	54.16872499999977	243.75227499999977	6.975004	7.500004000000001	0.5250000000000004	20250311_050817UTC_V00OS11.WAV
T	46.706248	433.3332249999996	744.7917749999997	45.824996	47.587500000000006	1.762504000000007	20250311_050817UTC_V00OS11.WAV