quadraticFit_y_Hz 'quadraticFit_x_°C' 4248.211224 61.75 4248.213074 61.8 4248.216088 61.9 4248.218187 62 4248.219371 62.1 4248.219640 62.2 4248.218994 62.3 4248.217432 62.4 4248.214956 62.5 4248.211565 62.6