Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
F	16.2062496	6012.5	6500.0	16.0374996	16.3749996	0.3374999999999986	20250411_045235UTC_V00OS11.WAV
B	34.531248	0.0	162.49999999999972	34.437498	34.624998	0.1875	20250411_045235UTC_V00OS11.WAV
H	35.887504	216.6645000000001	379.1645000000001	35.100004	36.675004	1.5750000000000028	20250411_045235UTC_V00OS11.WAV
T	49.9	392.7104999999998	514.5854999999998	49.175	50.625	1.4500000000000028	20250411_045235UTC_V00OS11.WAV