Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	20.85	257.2937250000001	487.50227500000005	20.35	21.35	1.0	20250130_102650UTC_V00OS11.WAV
T	26.662496	243.74772499999992	433.3312749999999	25.999996	27.324996	1.3250000000000028	20250130_102650UTC_V00OS11.WAV
O	26.712504	243.74772499999992	433.3312749999999	26.075004	27.350004	1.2749999999999986	20250130_102650UTC_V00OS11.WAV
O	39.431248	243.75000000000017	487.50000000000017	38.875	39.98749599999999	1.112495999999993	20250130_102650UTC_V00OS11.WAV
T	51.843752	176.04372500000008	365.62727500000005	51.2625	52.425004	1.1625039999999984	20250130_102650UTC_V00OS11.WAV