Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	55.5	893.7499999999999	1015.625	55.0	56.0	1.0	20250304_193217UTC_V00OS11.WAV
O	38.337504	54.16449999999965	176.03949999999963	37.987504	38.687504	0.7000000000000028	20250304_193217UTC_V00OS11.WAV