Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
A	41.125	40.62727499999991	176.0437249999999	40.85	41.4	0.5499999999999972	20250129_233850UTC_V00OS11.WAV
D	36.987504	94.79274999999984	1015.6282499999998	36.812504	37.162504	0.3499999999999943	20250129_233850UTC_V00OS11.WAV
D	49.668752	27.08550000000037	758.3355000000004	49.462502	49.875002	0.4124999999999943	20250129_233850UTC_V00OS11.WAV