Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	50.387504	1746.875	1909.375	50.262504	50.512504	0.25	20250304_190217UTC_V00OS11.WAV
V	49.731248	1137.4999999999998	1584.3749999999998	49.599998	49.862498	0.2625000000000028	20250304_190217UTC_V00OS11.WAV
T	47.375	392.7082250000002	541.6667750000001	46.75	48.0	1.25	20250304_190217UTC_V00OS11.WAV