{HEAD ~ The microwave antenna} has a radiating portion connected by a feedline to a power generating source, e.g., {TAIL ~ a generator} 
{ HEAD ~ The microwave antenna } has a radiating portion connected by a feedline to a power generating source , e.g. , { TAIL ~ a generator }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL