Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	1.962496	419.791775	595.833225	1.2374960000000002	2.687496	1.4499999999999995	20250222_035650UTC_V00OS11.WAV
T	1.943752	446.8727249999996	595.8312749999997	1.1875	2.700004	1.5125039999999998	20250222_035650UTC_V00OS11.WAV
U	1.956248	433.3354999999999	595.8354999999999	1.2374960000000002	2.675	1.4375039999999997	20250222_035650UTC_V00OS11.WAV