Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	33.712496	1557.2937250000002	1746.877275	32.799996	34.624996	1.8250000000000028	20250203_152050UTC_V00OS11.WAV
T	39.312496	379.16677500000014	555.2082250000002	38.624996	39.999996	1.375	20250203_152050UTC_V00OS11.WAV
T	6.518752	379.1645000000002	541.6645000000002	5.475	7.562504000000001	2.087504000000001	20250203_152050UTC_V00OS11.WAV