Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
A	51.162496	67.70627500000023	243.74772500000023	50.849996	51.474996	0.625	20250414_115835UTC_V00OS11.WAV
T	53.675	257.29372499999977	446.8772749999998	52.425	54.925	2.5	20250414_115835UTC_V00OS11.WAV
O	53.643752	243.74999999999983	446.87499999999983	52.4125	54.875004	2.462503999999996	20250414_115835UTC_V00OS11.WAV
O	40.7812496	81.24772500000023	230.20627500000023	40.0000016	41.5624976	1.562495999999996	20250414_115835UTC_V00OS11.WAV