Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	31.631248	121.87500000000028	325.0000000000003	31.549998	31.712498	0.1625000000000014	20250201_155650UTC_V00OS11.WAV
E	45.506248	203.12499999999983	1096.875	45.237498	45.774998	0.5374999999999943	20250201_155650UTC_V00OS11.WAV
T	44.406248	487.49999999999966	690.6249999999997	43.637496	45.175	1.5375039999999984	20250201_155650UTC_V00OS11.WAV