Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
A	18.831248	40.62500000000029	203.12500000000028	18.437498	19.224998	0.7875000000000014	20250304_220817UTC_V00OS11.WAV
T	37.556248	365.622725	514.5812749999999	36.86249599999999	38.25	1.387504000000007	20250304_220817UTC_V00OS11.WAV