"Cecil Moore" asks -
Reg Edwards wrote:
And, believe it or not, all is independent of the length of the
line.

How much does an infinitessimally short
line radiate? :-)

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Cec, you took the bait.

So just exercise a teeny bit of your imagination.

Suppose you have a generator directly connected to a load resistance
without any line in between.

Let the generator and load terminals both be spaced apart by the same
distance as the conductors of the non-existent line.

The load carries a current along a length equal to the spacing between
its terminals.

The load, by virtue of its length, possesses radiation resistance.

And so radiation occurs with zero line length.

Even a CB-er can understand the obvious.

Can you calculate radiating efficiency?
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Reg, G4FGQ