Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	37.218752	94.79177500000014	230.2082250000001	36.850002	37.587502	0.7374999999999972	20250219_213250UTC_V00OS11.WAV
O	34.562496	94.7894999999998	257.2894999999998	34.249996	34.874996	0.625	20250219_213250UTC_V00OS11.WAV
P'	37.231248	94.79177500000014	230.2082250000001	36.887498	37.574998	0.6875	20250219_213250UTC_V00OS11.WAV
P	21.793752	81.25227499999977	216.66872499999977	20.737504	22.85	2.112496	20250219_213250UTC_V00OS11.WAV