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