Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	53.125	2545.833225	2816.666775	52.8625	53.3875	0.5250000000000057	20250413_010435UTC_V00OS11.WAV
E	48.3312504	297.9177499999998	1015.6282499999998	48.1375004	48.5250004	0.3875000000000028	20250413_010435UTC_V00OS11.WAV
D	48.3187496	311.4572500000002	1015.6217500000002	48.1374996	48.4999996	0.3624999999999971	20250413_010435UTC_V00OS11.WAV