Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
G	34.85	1597.9167749999997	2220.833225	34.575	35.125	0.5499999999999972	20250415_175235UTC_V00OS11.WAV
U	41.056248	2437.5	2640.625	40.325	41.787496	1.4624960000000016	20250415_175235UTC_V00OS11.WAV
A	0.1375	2.842170943040401e-13	243.75000000000028	0.0375	0.2375	0.2	20250415_175235UTC_V00OS11.WAV