Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	39.131248	1272.9167749999997	1448.958225	38.2625	39.999996	1.737495999999993	20250216_132050UTC_V00OS11.WAV
U	30.493752	1327.083225	1516.666775	29.375004	31.6125	2.237496	20250216_132050UTC_V00OS11.WAV
U	16.856248	2017.7105	2139.5855	16.0	17.712496	1.7124960000000016	20250216_132050UTC_V00OS11.WAV
P	16.85	2017.706275	2153.122725	16.025000000000002	17.675	1.6499999999999986	20250216_132050UTC_V00OS11.WAV
B	44.762496	27.08127499999965	203.1227249999997	44.674996	44.849996	0.1749999999999971	20250216_132050UTC_V00OS11.WAV