Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	50.156248	243.75000000000017	487.50000000000017	49.837498	50.474998	0.6375000000000028	20250411_022835UTC_V00OS11.WAV
P	52.312496	257.2937250000002	406.25227500000017	51.262496000000006	53.362496	2.0999999999999943	20250411_022835UTC_V00OS11.WAV
E	42.493752	514.5855000000003	758.3355000000003	42.112502	42.875002	0.7625000000000028	20250411_022835UTC_V00OS11.WAV
E	7.718752	230.2105	920.8355	7.475002	7.962502000000001	0.4875000000000007	20250411_022835UTC_V00OS11.WAV