Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	52.143752	311.4605000000002	555.2105000000001	52.062502	52.225002	0.1624999999999943	20250220_173850UTC_V00OS11.WAV
A	21.95	40.62500000000014	284.3750000000001	21.6625	22.2375	0.5750000000000028	20250220_173850UTC_V00OS11.WAV
U	18.262504	907.2894999999996	1069.7895	17.462504	19.062504	1.6000000000000014	20250220_173850UTC_V00OS11.WAV