Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	51.231248	216.66449999999972	947.9144999999996	51.074998	51.387498	0.3125	20250214_010850UTC_V00OS11.WAV
D	51.237496	203.1217499999997	961.4572499999996	51.074996	51.399996	0.3250000000000028	20250214_010850UTC_V00OS11.WAV