Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	43.912496	27.08127499999965	203.1227249999997	43.837496	43.987496	0.1500000000000056	20250416_142235UTC_V00OS11.WAV
T	46.906248	473.9604999999998	636.4604999999998	46.412496	47.4	0.9875040000000012	20250416_142235UTC_V00OS11.WAV