{HEAD ~ means} for transmitting {TAIL ~ microwave energy} from said source of microwave energy to said microwave antenna 
for transmitting
{ HEAD ~ means } for transmitting { TAIL ~ microwave energy } from said source of microwave energy to said microwave antenna
HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH