Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	54.931248	257.2894999999999	622.9144999999999	54.462496	55.4	0.937504000000004	20250221_093250UTC_V00OS11.WAV
E	50.743752	270.83127500000023	649.9977250000002	50.25	51.237504	0.9875040000000012	20250221_093250UTC_V00OS11.WAV
T	40.7437496	433.3354999999999	595.8354999999999	40.0750016	41.4124976	1.3374960000000016	20250221_093250UTC_V00OS11.WAV