Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	54.462504	257.2937250000001	690.627275	54.212504	54.712504	0.5	20250415_215835UTC_V00OS11.WAV
B	14.931248	13.53950000000009	176.0395000000001	14.837498	15.024998	0.1875	20250415_215835UTC_V00OS11.WAV