01362oam 2200421 450 991071702230332120220118085120.0(CKB)5470000002527986(OCoLC)1290725711(OCoLC)995470000002527986(EXLCZ)99547000000252798620220104j196412 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierA dichroic subreflector for cassegrain antenna systems /by Robert L. Hensell and Paul A. LantzGreenbelt, Maryland :Goddard Space Flight Center,December 1964.1 online resource (approximately 32 pages) illustrationsNASA/TM ;X-55121"December 1964.""X-525-64395."Includes bibliographical references (page 6).Parabolic reflectorsnasatCassegrain opticsnasatParabolic reflectors.Cassegrain optics.Hensell Robert L.1394781Lantz Paul A.Goddard Space Flight Center,GPOGPOGPOBOOK9910717022303321A dichroic subreflector for cassegrain antenna systems3452534UNINA