Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
F	37.112504	94.79372499999975	609.3772749999998	37.012504	37.212504	0.2000000000000028	20250218_130850UTC_V00OS11.WAV
O	47.081248	40.62727499999976	257.29372499999977	46.849998	47.312498000000005	0.4625000000000057	20250218_130850UTC_V00OS11.WAV