Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	30.106248	230.21050000000025	1042.7105	29.949998	30.262498	0.3125	20250223_085650UTC_V00OS11.WAV
D	53.106248	40.62500000000006	975.0	52.937498	53.274998	0.3375000000000057	20250223_085650UTC_V00OS11.WAV
D	19.706248	162.5000000000001	975.0	19.512498	19.899998	0.3875000000000028	20250223_085650UTC_V00OS11.WAV