Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	22.018752	1137.5022749999998	1313.543725	20.55	23.487504	2.937503999999997	20250219_174450UTC_V00OS11.WAV
M	42.55	13.543725000000066	121.87727500000008	42.1625	42.9375	0.7750000000000057	20250219_174450UTC_V00OS11.WAV