Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	52.131248	216.6644999999998	338.5394999999998	51.487496	52.775	1.2875039999999984	20250417_234035UTC_V00OS11.WAV
P	52.112504	216.6644999999998	338.5394999999998	51.487504	52.737504	1.25	20250417_234035UTC_V00OS11.WAV
H	47.737504	216.6645000000001	379.1645000000001	47.537504	47.937504	0.4000000000000057	20250417_234035UTC_V00OS11.WAV
O	47.693752	216.6687250000004	365.6272750000004	47.387502000000005	48.000002	0.6124999999999972	20250417_234035UTC_V00OS11.WAV
B	1.556248	0.0	189.5812750000001	1.462498	1.649998	0.1875	20250417_234035UTC_V00OS11.WAV