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