Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	51.75	0.0	162.49999999999972	51.6625	51.8375	0.1749999999999971	20250312_125017UTC_V00OS11.WAV
E	7.4	176.0427499999999	1056.25325	7.0125	7.7875	0.7750000000000004	20250312_125017UTC_V00OS11.WAV
B	30.231248	13.541774999999715	148.95822499999971	30.149998	30.312498	0.1625000000000014	20250312_125017UTC_V00OS11.WAV