Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	7.718752	176.04275000000013	961.4572500000002	7.462502000000001	7.975002	0.5124999999999993	20250219_213850UTC_V00OS11.WAV
D	26.437504	81.25000000000028	975.0000000000005	26.262504	26.612504	0.3500000000000014	20250219_213850UTC_V00OS11.WAV