Total posts : 45366
“how to improve efficiency of the overall system”
A MAJOR improvement in efficiency, even with an old school TX barely reaching 50 percent efficiency, is a LONGER antenna allowance.
It don’t matter if a 100 percent efficient transmitter was around, the major attenuator is the antenna and its INHERENT deficiencies galore.
So your right kc8, how to improve the efficiency of the overall system with inherently inefficient limits.
Maybe when the next element is discovered and added to the periodic table we will get our answer.