Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	45.831248	67.70627499999995	609.372725	45.437498000000005	46.224998	0.7874999999999943	20250218_200850UTC_V00OS11.WAV
C	17.112496	0.0	812.5	16.999996	17.224996	0.2250000000000014	20250218_200850UTC_V00OS11.WAV
E	20.118752	324.9977250000002	595.8312750000002	19.475	20.762504	1.2875039999999984	20250218_200850UTC_V00OS11.WAV
T	30.981248	365.62727500000005	582.2937250000001	30.099996	31.8625	1.7625039999999998	20250218_200850UTC_V00OS11.WAV