Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	51.725	189.58225000000024	934.3717500000002	51.525	51.925	0.4000000000000057	20250208_155650UTC_V00OS11.WAV
D	52.593752	189.5822500000001	1015.62175	52.312502	52.875002	0.5625	20250208_155650UTC_V00OS11.WAV
V	45.725	853.1227249999997	1408.3312749999996	45.6125	45.8375	0.2249999999999943	20250208_155650UTC_V00OS11.WAV