Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	46.718752	352.0832250000003	501.04177500000026	45.5	47.937504	2.437504000000004	20250417_185235UTC_V00OS11.WAV
T	47.268752	392.7082250000002	541.6667750000001	46.537504	48.0	1.4624960000000016	20250417_185235UTC_V00OS11.WAV