Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	51.731248	203.12727500000008	338.5437250000001	50.875	52.587496	1.7124960000000016	20250420_132235UTC_V00OS11.WAV
P	51.712504	189.58322500000017	338.54177500000014	50.925004	52.500004	1.5750000000000028	20250420_132235UTC_V00OS11.WAV
T	51.731248	216.6644999999998	338.5394999999998	50.899996	52.5625	1.6625039999999984	20250420_132235UTC_V00OS11.WAV