Fig. 4From: Observations of stratospheric and mesospheric O3 with a millimeter-wave radiometer at Rikubetsu, JapanSpectral fits for the brightness temperature spectra of O3 at 110.83 GHz. The spectral fits are performed for the spectra measured with a an AOS on January 17, 2005, and b a digital FFTS on February 8, 2014. Black lines denote the observed spectra, and red lines denote the spectra calculated from the retrieved O3 profile. The residuals between the observed and calculated spectra are also shownBack to article page