Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	13.512496	13.543725000000194	243.7522750000002	13.337495999999998	13.687496	0.3500000000000014	20250130_111450UTC_V00OS11.WAV
T	15.456248	379.1645000000002	541.6645000000002	14.925	15.987496	1.0624959999999994	20250130_111450UTC_V00OS11.WAV