vertical array

A Potpourri of 160-Meter Verticals - A potpourri of 160-Meter vertical antennas and modeling issues, inverted-L, 3-element parasitic array, 1/4-wavelength monopole

Vertical Radial Ground Systems - Tom, K1JJ on radial ground system applied to 160 m vertical array

40M Twin Half-Square Array - 40 meters elevated vertical antenna array at VA7ST

80 m 3/4 wave LLV - This is a vertically polarized Phased array. The left Vertical wire is 180 degrees out of phase

Using the half-square antenna for low bands - Can’t put up a really high horizontal antenna for 80-meter DXing? Maybe the vertically polarized Half-Square might be the antenna for you.

The 80M elevated wire vertical array - This 80M antenna is a pair of raised 1/4-wave verticals

6Y2A Vertical Antenna Arrays - Configurations of the vertical antenna arrays used at 6Y2A

4 Square Vertical Phased Array - Improve your 80 and 160 meter signal without a Yagi!

Small vertical arrays - a guide to help install arrays

Hex Array - 80/40 Meter Vertical - This page describes a homebrew 80/40 meter trap vertical antenna. Includes an interesting antenna raising system that allow easy setup and tuning.

The 7-Hex Driven Vertical Array - The array consists of 7 vertical antennas arranged as 6 verticals in a hexagon shape plus 1 additional vertical in the center of the hexagon

Effect of tower coupling on an array - It's well known that a nearby tower can affect the performance of a vertical array, this article by NK7U describe measurements and prove interaction.

Vertical phased Array - A SM3HXD vertical phased array antenna system

The 4-Square Site - 4 Square Vertical Array website dedicated to vertical arrays antenna installations worldwide by G4ATA

Bobtail dipole - Bobtails are vertical arrays that look like the letter "E" turned 90° clockwise onto its tails. They have 3 quarter wave vertical elements and are one wavelength long. The Half Square is a shortened Bobtail- it has 2 quarter wave vertical elements and is a half wave long.

BiQuad Antenna for 144/440 - This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized Broadside Array both the right and the left side of the Loop is a bent 1/2 wave dipole working 180 degrees out of phase with the other one and that gives you 4.15dbi of gain by KE4UYP

BiQuad 144/430 MHz - A vertically polarized broadside and collinear array by KE4UYP

Phased Arrays - Phased arrays of short vertical antennas, pdf file

160 80 40 Meter Vertical Array - A 6-element vertical array which is designed for 40 and 80 meter operation, and receive-only operation on 160 meters by W8WWV

80 m four square vertical - NA4L wire four square vertical array for 80 meter band

HiZ-Antennas - High impedance amplifiers for shortened vertical antennas, Array matched and Optimized 15dB Preamplifier

Antenna Engineering - Antenna Engineering specialise in producing a range of high quality aluminium HF verticals ranging from mono band single element verticals to multi element phased arrays.

K4TR Antennas - K4TR Manufacture and sell simple dipoles, half square 2 wire phased vertical arrays, end fed zepp antennas, G5RV antennas. 1:1 baluns

QRM and noise reduction Priority listing - You will find on these pages my experiences and results on antennas and local/non-local QRM/noise reduction. Using a broadband vertical active magnetic loop and a home made / designed broadband amplifier. Two vertical magnetic Alford loops are used in an array. Analog and Digital Signal Processing and a dual phase coherent Software Defined Radio (SDR) are used. By PA0SIM