Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	27.856248	920.833225	1110.416775	26.7125	28.999996	2.2874959999999973	20250311_171417UTC_V00OS11.WAV
T	33.568752	446.872725	636.456275	33.037504000000006	34.1	1.062495999999996	20250311_171417UTC_V00OS11.WAV
D	13.756248	270.8355000000004	920.8355000000004	13.587498	13.924998	0.3374999999999986	20250311_171417UTC_V00OS11.WAV
E	13.812496	284.37272500000023	839.5812750000002	13.587496	14.037496	0.4499999999999993	20250311_171417UTC_V00OS11.WAV
U	7.187504	4252.081275	4468.747725	6.375004	8.000004	1.6250000000000009	20250311_171417UTC_V00OS11.WAV
T	18.418752	501.04177500000014	636.4582250000001	17.700000000000003	19.137504	1.437503999999997	20250311_171417UTC_V00OS11.WAV