Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
H	42.131248	270.8312749999999	406.247725	41.4625	42.799996	1.3374960000000016	20250413_051635UTC_V00OS11.WAV
T	48.6125	406.24772499999983	555.2062749999998	48.1375	49.0875	0.9500000000000028	20250413_051635UTC_V00OS11.WAV
E	48.6187496	406.24772499999983	555.2062749999998	48.1124976	49.1250016	1.012504000000007	20250413_051635UTC_V00OS11.WAV
C	51.237496	148.9572499999997	1015.6217499999998	51.087496	51.387496	0.2999999999999971	20250413_051635UTC_V00OS11.WAV
D	51.25	121.87499999999972	1056.2499999999995	51.1	51.4	0.2999999999999971	20250413_051635UTC_V00OS11.WAV