Richard Harrison wrote:
"A modification of this antenna is shown at (e) in which a
short-circuited 1/4-wave section of coaxial line is connected in
parallel with the antenna terminals. This widens the impedance bandwidth
and also places the stub antenna at ground potential. This is desirable
to protect the transmission line from lightning surges."

All the advantages of a Double Bazooka using
only 1/4WL of coax.
--
73, Cecil http://www.w5dxp.com