Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
M	46.087504	27.08550000000035	148.96050000000037	45.687504	46.487504	0.7999999999999972	20250415_192235UTC_V00OS11.WAV
P'	46.087504	27.08550000000035	148.96050000000037	45.687504	46.487504	0.7999999999999972	20250415_192235UTC_V00OS11.WAV