Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	30.456248	1137.502275	1354.1687250000002	29.312500000000004	31.599996	2.2874959999999973	20250306_100217UTC_V00OS11.WAV
E	12.131248	203.1250000000001	934.375	11.912498	12.349998	0.4375	20250306_100217UTC_V00OS11.WAV
D	12.137496	203.1217499999997	961.4572499999996	11.887496	12.387496	0.5	20250306_100217UTC_V00OS11.WAV