Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	10.318752	2017.7105	2261.4605	9.387504	11.25	1.862496	20250306_195017UTC_V00OS11.WAV
U	15.65	744.7937250000002	934.3772750000004	15.3625	15.9375	0.5749999999999993	20250306_195017UTC_V00OS11.WAV
V	15.637496	744.7895	947.9145	15.337495999999998	15.937496	0.6000000000000014	20250306_195017UTC_V00OS11.WAV
U	30.862504	2017.706275	2234.372725	30.175004	31.550004	1.375	20250306_195017UTC_V00OS11.WAV
E	37.706248	731.2522750000003	947.9187250000002	37.412498	37.999998000000005	0.5875000000000057	20250306_195017UTC_V00OS11.WAV
V	37.712504	731.247725	961.456275	37.450004	37.975004000000006	0.5250000000000057	20250306_195017UTC_V00OS11.WAV
U	32.7125	3114.581275	3249.997725	32.15	33.275	1.125	20250306_195017UTC_V00OS11.WAV
B	6.131248	0.0022750000003526	176.04372500000034	6.049998	6.212498	0.1624999999999996	20250306_195017UTC_V00OS11.WAV