The antenna apparatus 1 wherein the protective covering is adapted at {HEAD ~ its outer surface} to reflect {TAIL ~ radiant heat energy} and the remainder of said closed cryogenic container forms a vacuum insulated dewar 
to reflect
The antenna apparatus 1 wherein the protective covering is adapted at { HEAD ~ its outer surface } to reflect { TAIL ~ radiant heat energy } and the remainder of said closed cryogenic container forms a vacuum insulated dewar
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH