Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	39.137496	243.7522749999999	379.1687249999999	38.599996	39.674996	1.0750000000000028	20250418_084635UTC_V00OS11.WAV
O	43.937504	203.12727500000008	338.5437250000001	43.487504	44.387504	0.9000000000000057	20250418_084635UTC_V00OS11.WAV