Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	28.075	216.66449999999963	419.7894999999996	27.275	28.875	1.6000000000000014	20250421_183435UTC_V00OS11.WAV
P'	36.8	94.79177500000014	230.2082250000001	36.4125	37.1875	0.7750000000000057	20250421_183435UTC_V00OS11.WAV
P'	40.2062496	40.62499999999986	243.74999999999983	40.0374996	40.3749996	0.3375000000000057	20250421_183435UTC_V00OS11.WAV
O	41.275	230.2105000000004	352.0855000000004	40.8625	41.6875	0.8250000000000028	20250421_183435UTC_V00OS11.WAV
O	14.356248	270.83127500000023	446.8727250000002	13.399996000000002	15.3125	1.9125039999999984	20250421_183435UTC_V00OS11.WAV