Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	50.768752	27.082250000000272	826.0427500000003	50.525002	51.012502	0.4874999999999971	20250422_185235UTC_V00OS11.WAV
O	21.075	270.8332250000002	460.41677500000014	20.7125	21.4375	0.7250000000000014	20250422_185235UTC_V00OS11.WAV
O	7.706248	257.29177500000014	473.9582250000002	7.437498000000001	7.974998	0.5374999999999996	20250422_185235UTC_V00OS11.WAV
O	42.443752	176.04177500000017	352.0832250000002	42.062502	42.825002000000005	0.7625000000000028	20250422_185235UTC_V00OS11.WAV