Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
W	45.181248	4373.95725	6499.99675	44.749996	45.6125	0.8625040000000013	20250304_065017UTC_V00OS11.WAV
T	38.281248	419.791775	595.833225	37.437496	39.125	1.687504000000004	20250304_065017UTC_V00OS11.WAV
U	53.393752	893.747725	1002.081275	52.9	53.887504	0.9875040000000012	20250304_065017UTC_V00OS11.WAV
T	51.418752	433.333225	582.291775	50.6	52.237504	1.637504000000007	20250304_065017UTC_V00OS11.WAV