Triple-Leg Ground Plane
(For "Little Pistol" DXers on a Shoestring Budget)
The Triple-Leg Ground Plane
A simple wire vertical that is very good for DX.
The example shown here is for a 20m antenna on a 12m fiberglass Spiderpole.
For 40 or 30m, use an 18m Spiderpole.
Click on drawing
for larger view ->
The 3 radials are also used for guying the pole.
space them equal-distance around the pole.
Although not shown, it is a good idea to use an RF choke at the feedpoint.
Although this is a mono-band antenna, it is very easy to build a multiband antenna version.
Simply lengthen all wires to 7 meters (about 23 ft.) each and feed the antenna with 300 Ohm or 450 Ohm balanced line, into an antenna matchbox.
Martin, DK7ZB has a web page showing this design: MULTI-BAND TRIPLE-LEG