Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	49.018752	1069.7937249999998	1462.5022749999996	48.937502	49.100002	0.1624999999999943	20250410_231635UTC_V00OS11.WAV
T	52.962504	446.8727249999996	595.8312749999997	52.237504	53.687504	1.4500000000000028	20250410_231635UTC_V00OS11.WAV