Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	46.862504	379.1667749999998	514.5832249999999	45.887504	47.837504	1.9500000000000028	20250421_193435UTC_V00OS11.WAV
T	7.506248	392.7105000000001	555.2105000000001	7.037496	7.975	0.9375040000000006	20250421_193435UTC_V00OS11.WAV
T	51.118752	365.62727500000017	501.0437250000002	50.15	52.087504	1.937504000000004	20250421_193435UTC_V00OS11.WAV
T	25.075	270.83322499999986	419.7917749999998	24.2	25.95	1.75	20250421_193435UTC_V00OS11.WAV
O	31.518752	284.3772749999998	419.79372499999977	31.075004	31.9625	0.8874959999999987	20250421_193435UTC_V00OS11.WAV