Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	3.637504	1841.66775	2803.12825	3.337504	3.937504	0.5999999999999996	20250421_205235UTC_V00OS11.WAV
F	7.731248	54.1645000000002	460.4145000000002	7.562498	7.899998	0.3375000000000003	20250421_205235UTC_V00OS11.WAV