Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	41.925	257.28949999999963	379.1644999999996	40.9	42.95	2.049999999999997	20250410_032835UTC_V00OS11.WAV
T	43.237496	433.333225	582.291775	42.687496	43.787496	1.0999999999999943	20250410_032835UTC_V00OS11.WAV
P'	50.018752	54.168725000000194	203.1272750000002	49.662502	50.375002	0.7125000000000057	20250410_032835UTC_V00OS11.WAV
T	50.556248	460.4144999999996	582.2894999999996	49.8125	51.29999599999999	1.487495999999993	20250410_032835UTC_V00OS11.WAV
B	36.031248	0.0022750000003526	176.04372500000034	35.949998	36.112498	0.1624999999999943	20250410_032835UTC_V00OS11.WAV