Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	48.2687504	230.20822500000028	419.79177500000026	48.0375004	48.500000400000005	0.4625000000000057	20250412_014035UTC_V00OS11.WAV
O	48.275	243.7522750000002	419.7937250000002	48.0	48.55	0.5499999999999972	20250412_014035UTC_V00OS11.WAV
O	47.737504	216.66449999999992	460.4144999999999	47.562504	47.912504	0.3499999999999943	20250412_014035UTC_V00OS11.WAV