Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	20.437504	297.9187250000001	446.87727500000005	19.875004	21.000004	1.125	20250418_005835UTC_V00OS11.WAV
B	8.55	0.0022750000003526	176.04372500000034	8.4625	8.637500000000001	0.1750000000000007	20250418_005835UTC_V00OS11.WAV
P	44.55	257.2937250000002	406.25227500000017	43.5875	45.5125	1.9249999999999967	20250418_005835UTC_V00OS11.WAV