Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	50.856248	270.8332250000002	663.5417750000001	50.699998	51.012498	0.3125	20250410_235835UTC_V00OS11.WAV
P	46.068752	257.2937249999999	568.7522749999999	45.675002000000006	46.462502	0.7874999999999943	20250410_235835UTC_V00OS11.WAV