Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	47.7	284.37727500000017	582.2937250000002	47.4375	47.962500000000006	0.5250000000000057	20250129_235050UTC_V00OS11.WAV
E	52.012496	325.00227500000005	622.9187250000001	51.624996	52.399996	0.7750000000000057	20250129_235050UTC_V00OS11.WAV