Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	49.912504	162.49772499999983	798.9562749999998	49.762504	50.062504	0.2999999999999971	20250129_225650UTC_V00OS11.WAV
V	49.912504	338.5437249999998	771.8772749999998	49.775004	50.050004	0.2750000000000057	20250129_225650UTC_V00OS11.WAV