GeoSTAR-II: A prototype water vapor imager/sounder for the PATH mission. - Todd Gaier; Bjorn Lambrigtsen; Pekka Kangaslahti; Boon H. Lim; Alan B. Tanner; Dennis Harding; Heather Owen; Mary Soria; Ian O'Dwyer; Christopher Ruf; Ryan Miller; Bruce P. Block; et al. (IGARSS, 2011)