Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	46.331248	1949.997725	2139.581275	46.212498	46.449998	0.2374999999999971	20250411_010435UTC_V00OS11.WAV
D	54.893752	176.0395000000002	744.7895000000002	54.750002	55.037502	0.2874999999999943	20250411_010435UTC_V00OS11.WAV
V	54.881248	230.20627499999983	731.2477249999997	54.737498	55.024998	0.2874999999999943	20250411_010435UTC_V00OS11.WAV
X	49.793752	2017.708225	2207.291775	49.675002	49.912502	0.2374999999999971	20250411_010435UTC_V00OS11.WAV
D	50.65	67.70725000000022	853.1217500000002	50.4625	50.8375	0.375	20250411_010435UTC_V00OS11.WAV
C	53.675	216.6645000000002	907.2895000000002	53.5625	53.7875	0.2249999999999943	20250411_010435UTC_V00OS11.WAV