Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	46.325	392.7062749999998	568.7477249999998	45.45	47.2	1.75	20250418_181635UTC_V00OS11.WAV
T	38.3	365.62499999999983	528.1249999999998	37.3625	39.2375	1.875	20250418_181635UTC_V00OS11.WAV