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