Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
M	43.468752	13.541774999999715	148.95822499999971	43.0375	43.900004	0.8625040000000013	20250413_071635UTC_V00OS11.WAV
B	26.931248	0.0022750000003526	176.04372500000034	26.837498	27.024998	0.1875	20250413_071635UTC_V00OS11.WAV
D	35.55	67.71050000000037	920.8355000000004	35.3625	35.7375	0.375	20250413_071635UTC_V00OS11.WAV