Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	43.287496	54.166775000000285	189.58322500000028	43.187496	43.387496	0.2000000000000028	20250409_225235UTC_V00OS11.WAV
D	40.981248	2.273736754432321e-13	934.375	40.787498	41.174998	0.3875000000000028	20250409_225235UTC_V00OS11.WAV
D	42.206248	27.085500000000195	839.5855000000001	41.999998000000005	42.412498	0.4124999999999943	20250409_225235UTC_V00OS11.WAV