Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	42.225	257.29177500000026	392.7082250000003	41.9125	42.5375	0.625	20250415_185235UTC_V00OS11.WAV
P	48.987504	284.37272499999995	392.7062749999999	48.225004	49.750004	1.5250000000000057	20250415_185235UTC_V00OS11.WAV