Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	4.112504	406.2522750000004	582.2937250000003	3.5125040000000003	4.712504	1.1999999999999995	20250208_143850UTC_V00OS11.WAV
U	4.112504	406.2499999999997	568.7499999999998	3.5125040000000003	4.712504	1.1999999999999995	20250208_143850UTC_V00OS11.WAV