Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	28.931248	365.62727500000005	582.2937250000001	28.3875	29.474996	1.0874960000000016	20250211_052650UTC_V00OS11.WAV
O	28.912496	365.62272499999983	595.8312749999998	28.374996	29.449996	1.0750000000000028	20250211_052650UTC_V00OS11.WAV
D	36.312496	257.2895	1029.1645	36.137496000000006	36.487496	0.3499999999999943	20250211_052650UTC_V00OS11.WAV
C	36.306248	270.83225	1015.62175	36.137498	36.474998	0.3375000000000057	20250211_052650UTC_V00OS11.WAV