Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	46.162496	257.28949999999963	379.1644999999996	45.212496	47.112496	1.9000000000000057	20250421_130435UTC_V00OS11.WAV
E	12.85	501.0395000000001	704.1645000000001	12.35	13.35	1.0	20250421_130435UTC_V00OS11.WAV