Anyone have a way of measuring the varying efficiencies of the
following? Let's say 5 to 20 MHz frequency range.

This would be the base number for comparison, assign it a one:

a: Straight connection of a random long wire antenna


The others...

b: The same long wire connected through a television (75/300 ohm variety)

c: Same antenna with a 9:1 ratio transformer

I'm assuming everything else remaining the same. I'm interested in the
variation, shown ratio wise, between the above. Are there any handy
online calculators for this?


mike