Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	53.181248	419.7917749999997	555.2082249999997	52.1875	54.17499599999999	1.987495999999993	20250420_180435UTC_V00OS11.WAV
U	22.737504	663.5437250000002	812.5022750000003	21.600004	23.875004	2.2749999999999986	20250420_180435UTC_V00OS11.WAV
T	9.675	406.2499999999997	568.7499999999998	8.850000000000001	10.5	1.6499999999999986	20250420_180435UTC_V00OS11.WAV
T	15.45	473.9604999999998	636.4604999999998	14.9	16.0	1.1000000000000014	20250420_180435UTC_V00OS11.WAV