Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	49.356248	473.9582249999999	622.9167749999999	48.675	50.037496	1.362495999999993	20250414_212235UTC_V00OS11.WAV
D	51.043752	108.33549999999993	920.8355	50.875002	51.212502	0.3375000000000057	20250414_212235UTC_V00OS11.WAV