In a message to Wayne Sarosi  Ray Wade wrote:
 WS> Log-Yagi. It's a short LPDA with probably a reflector and a couple of
 WS> directors? I believe I've seen one a while back. KLM had another
 WS> monster yagi that had a 24 foot boom I believe.
     ...
 RW> also unique in that they all use so-called "linear loading capacitors"
 RW> in the L/C network that replaces the more convential "traps" found in
 RW> other tri band beams. The capacitors are formed of a tube-in-a-tube
 RW> arrangement where the outer (all parts are aluminum) tube has on each
 RW> end an insulator which supports the outer tube, concentricly, around the
 RW> inner tube. Other aluminum straps surround each of these capacitor
 RW> "elements" to create the inductance necessary to to "tune" each set of
 RW> L/C networks.
     ...
I have seen that setup before. It's neat. Works real good. I just went
with an LPDA because: 1) all I had was a 22 foot boom. :) and 2)
I decided on the wideband, fair gain LPDA as something different than most.
-WS
---
---------------