Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	53.918752	162.50227499999994	663.5437249999999	53.700002	54.137502	0.4375	20250210_061450UTC_V00OS11.WAV
D	35.331248	135.41775000000035	853.1282500000004	35.174998	35.487498	0.3125	20250210_061450UTC_V00OS11.WAV