Buck wrote:

Cecil Moore wrote:
The HF bandwidth of that antenna *plus* the tuned feeders is 27
MHz, all the way from 3 to 30 MHz with an SWR of less than 2:1
(for the ham bands). I haven't measured the SWR outside of the
ham bands. There's a graphic that shows the SWR=2:1 bandwidth
for 40m to be about 160 kHz for a fixed length of ladder-line.

how much RF is in the shack when you use your system?

The ladder-line comes off at right angles to the balanced
dipole so common-mode current is minimum and is choked
on the transmitter side of the ladder-line length selector.

Balanced currents don't cause "RF in the shack". If the
currents are unbalanced, RF in the shack is likely with
either coax or balanced line.
--
73, Cecil http://www.qsl.net/w5dxp


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