Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	43.7	1381.2499999999998	1543.7499999999998	43.2625	44.1375	0.875	20250223_175650UTC_V00OS11.WAV
P'	43.687504	1381.2499999999998	1543.7499999999998	43.250004	44.125004	0.875	20250223_175650UTC_V00OS11.WAV