Radiometer Calibration Using Colocated GPS Radio Occultation Measurements. - William J. Blackwell; Rebecca L. Bishop; Kerri L. Cahoy; Brian Cohen; Clayton Crail; Lidia Cucurull; Pratik K. Dave; Michael DiLiberto; Neal Erickson; Chad Fish; Shu-peng Ho; Robert Vincent Leslie; et al. (IEEE Trans. Geosci. Remote. Sens., 2014)