Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	30.387496	365.6272749999998	541.6687249999998	29.987496	30.787496	0.7999999999999972	20250201_015650UTC_V00OS11.WAV
O	26.662496	257.2917749999998	433.3332249999999	26.124996	27.199996	1.0750000000000028	20250201_015650UTC_V00OS11.WAV
U	15.337504	853.1250000000003	1015.6250000000005	14.675004	16.000004	1.325000000000001	20250201_015650UTC_V00OS11.WAV
O	51.075	325.00227500000017	541.6687250000002	50.650000000000006	51.5	0.8499999999999943	20250201_015650UTC_V00OS11.WAV
O	20.231248	419.791775	595.833225	19.524996	20.9375	1.4125039999999984	20250201_015650UTC_V00OS11.WAV
T	20.218752	446.877275	582.2937249999999	19.512500000000003	20.925004	1.4125039999999984	20250201_015650UTC_V00OS11.WAV
U	46.75	866.6687250000002	1015.6272750000004	46.225	47.275	1.0499999999999972	20250201_015650UTC_V00OS11.WAV