Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	9.143752	0.0	189.5812750000001	9.062502	9.225002	0.1625000000000014	20250418_210435UTC_V00OS11.WAV
E	7.762496	162.4967500000002	961.4572500000002	7.574996	7.949996	0.375	20250418_210435UTC_V00OS11.WAV