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4-square array for the 40m-band,OZ1RDP

Switching box of the 4-square array connectors for HF

2 Element Vertical Array for 160M and 80M, VK3PA

project I wanted to erect two 40-meter stand-alone verticals

3-Element 160-Meter Array at, KC1XX

upgrade the 160-meter antenna system

3-element 160 Meter Vertical Array

3-element array on 160 meters, the system is very good

4 Square Antenna in theory and practice

It is an antenna system which

4-Square Array for Improved Front-to-Back Ratio, K3LC

This article explains how to improve the front-to-back (F/B) ratio of the classic

80M & Phased Vertical Antenna,G3WZT

system in use here on 80M is a 3 Element, in line, phased vertical array

80m 4-Square Array, K7EM

This array the SWR from 3.5 to 3.9 is below 1.5:1

160m-6m Directional Array

Stealth Generation 4 - 22-element 160m-6m Directional Array

160 Meter 5 Element Array

A 124' rohn 25 tower as a driven element with a wb0w insulator section

A Two-Transistor Phaser for 80 – 10 meters,PA0SIM

I noticed that I really did not use it in the array application

A 4 Square antenna for 80 Meters, PY2YP

Verticals antennas do require a lot of room for properly working

A square 4-square array antenna

Four separate verticals are arranged in a square, a 4-square array, one vertical at each corner of a square

A 3-Element 160 Meter Vertical Array,N6LF

4-square was transformed into two reversible 3-element arrays

Dual loop antenna system,PA0SIM

A combination of two rotating broadband magnetic

Directional arrays

A phased array antenna is composed of lots of radiating elements

Four-Square Antenna Experiences

Four verticals located in the corners of a square that is one-quarter wavelength

Feed2EL Feed Systems for a Two-Element Phased Array

An Excel workbook to aid in the design of a feed system for a typical two-element phased array

Hex Array - 80/40 Meter Vertical

It's a 6-element vertical array which is designed for 40 and 80 meter operation

Phased 40M Wire Verticals, VA7S

The wire verticals are 1/4-wavelength about 33' tall at 7.050 MHz

Phased vertical array switch relay units

Comtek pvs-2 series phased vertical array switch relay units

Remote Control Box of 4 Square K9AY Array ,SP3KEY

Computer Modeled 4 Square K9AY Array will really operate

Single Support Gain Antennas for 80 and 160 Meters

On 80 and 160 meters an antenna with modest gain

Simple 3 element phased array, KC0VKN

simple construction setup an tunig noticiable gain and directivity

The triple 4-SQUARE Project, ON4WW

Cutting the 12 quarter wave 75 Ohm coaxial feed lines

The 40m 4-square on a 4-channel Oscilloscope,ON4WW

the verticals for the 40m 4-square


Three halfwave verticals phased with homebrew ladder line

Two element phased vertica system for 40 meter, W4NFR

The Two Verticals are spaced 32 feet apart

Modif. March 29 2022

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