Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	30.9	230.20724999999965	947.9177499999996	30.75	31.05	0.2999999999999971	20250130_175050UTC_V00OS11.WAV
C	28.468752	176.04275000000035	1015.6282500000004	28.312502	28.625002	0.3125	20250130_175050UTC_V00OS11.WAV