Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	47.8	595.8355000000004	798.9605000000004	47.65	47.95	0.2999999999999971	20250418_185235UTC_V00OS11.WAV
E	47.737504	541.6645000000002	785.4145000000002	47.475004	48.000004	0.5250000000000057	20250418_185235UTC_V00OS11.WAV
E	48.1875	501.041775	717.708225	48.0125	48.3625	0.3499999999999943	20250418_185235UTC_V00OS11.WAV
O	52.275	541.6667750000004	717.7082250000003	51.7875	52.7625	0.9749999999999944	20250418_185235UTC_V00OS11.WAV
U	52.281248	541.6644999999996	704.1644999999996	51.774996	52.7875	1.012504000000007	20250418_185235UTC_V00OS11.WAV
U	35.037496	650.0	771.875	34.387496	35.687496	1.2999999999999972	20250418_185235UTC_V00OS11.WAV
U	39.4	622.9187250000003	771.8772750000004	38.8	40.0	1.2000000000000028	20250418_185235UTC_V00OS11.WAV