Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	46.5	758.331275	934.372725	45.6625	47.3375	1.6749999999999972	20250410_045235UTC_V00OS11.WAV
T	44.793752	419.7917749999997	555.2082249999997	43.9625	45.625004	1.6625039999999984	20250410_045235UTC_V00OS11.WAV
T	37.868752	392.7062749999998	568.7477249999998	37.087504	38.65	1.562495999999996	20250410_045235UTC_V00OS11.WAV
T	35.912496	365.6227250000002	555.2062750000002	35.262496	36.562496	1.2999999999999972	20250410_045235UTC_V00OS11.WAV