It a all about a 11 meters long wood pole, 4 wires just about 5.5 meters long ,2 plastic box enclosures and some ropes

Element kits to be mounted so the elements are at 90 degrees from one another, the antenna was resonated to 14250 Khz

The diagram above depicts the 17 and 20 meter delta loops setup

This is my mini dipole for 20m that I built to have some fun while in holidays

The portable 20m ground plan antenna is a basic wire arrangement with a wire radiator and three radials spaced 120 degrees apart

Vertical antennas with a 1/4 or 1/2 wave sizing, this is remarkable, since the 5/8 has the lowest angle of radiation and has about 1dB more gain compared to 1/4 and 1/2 verticals

The balun is rather easy to make you need only a few items. This is a basic balun for a wire antenna, and it worked great for the flagpole

Vertical antennas with a 1/4 or 1/2 wave sizing, this is remarkable, since the 5/8 has the lowest angle of radiation and has about 1dB more gain compared to 1/4 and 1/2 verticals

the cubical quad consists of a radiating element and parasitic reflector usually spaced 0.15 or 0.20 wavelenght

The half square is made of a two strand computer ribbon cable 100 feet long, 47 feet of which is used for the balanced feed line

The HEX has a very small wingspan, but no loading coils or traps Therefore it does not have the losses associated with such devices

The antenna is a vertical dipole antenna for short built two vertical dipoles one for the 20-metre amateur radio band and another for the 40-metre band

The dipole antenna looks simple at first glance, but, we can discover some particular aspects

Here's an easily transportable vertical antenna for 20 meters collapsible to 4 feet

A Bi-Plane antenna for 20 meters, tuned it up, and put it on the air. Resultsd indicate that it is working pretty well for a 3-feet long dipole-type antenna at 22 feet up

Dimensions of C-Pole Antenna for 20m 14.240 MHz, overall wire length roughly 1/2 wavelength, feedpoint 25% from end, electrically an off center fed dipole

The antenna was designed to work from a field conditions at amateur’s bands 7, 10, 14 and 21-MHz. The antenna has SWR less the 2.0:1.0 at height of the lower side 1.2 meters above the ground

This page describes lightweight 20m moxon build

For the bands 10 m and 12 m the Yagi is working as a reflector-radiator-Yagi, for 15 m and 17 m as a beam with radiator and director

An EFHWA for 20-40 meters, and the other is a matching unit for the antenna

Vertically mounted on a fibre glass telescopic tower this aerial makes my main antenna for 20m qrp wor

The center loading coil required for our model antenna showed about 248 ohms for each element

An electrical 1/2 wave length of RG58 the following measurements were noted, impedance 25 ohms SWR 2:1, the antenna was resonated to 14250 Khz

If you've got a few old shower curtain rods hanging around you can build a low-cost 20m shower rod dipole antenna

The dipole is half the size of the usual full sized versions and is therefore about the size of a ten metre dipole