Reg, G4FGQ wrote:
"The shape of magloops is of no electrical consequence except that a
circle has the greatest enclosed area for a given perimeter. This gives
the greatest possible radiation resistance for a given loss resistance
and hence the greatest radiating efficiency."

Great logic. What about the fractal idea that you can zig-zag the
perimeter for greater wire length and thus lower the resonant frequency
for a given area? Isn`t that inherently inefficient?

Best regards, Richard Harrison, KB5WZI