20 m vertical

Petlowany Three-Band Burner Antenna - The Petlowany Three-Band Burner is a simple, low-cost, trapless short vertical antenna which amazingly works on three HF bands (20, 15 and 10 meters). This web page contains pictures, performance data, and enough construction details so you can homebrew your own.

160 Meter Antennas at W8JI - 160-meter vertically polarized transmitting antennas center around this 200-foot tower

Building High Power, High Q, Loading Coils - This page describes the loading coil (inductor) that W8WWV built for my center-loaded 160 meter (1.83 MHz) vertical antenna.

20m delta loop  ^pop - This antenna is fed for vertical polarisation, to give a low angle of radiation for DX and also a nearly omni-directional radiation pattern

Cedevita-20 Antenna - The Cedevita-20 is a hybrid monoband antenna, the result of merging the radiator of a shortened vertical with one element of a dipole. It fits on most balconies and must be hung from the ceiling. By ik1zyw Paolo Cravero

20m T-Monopole - 20m T-Monopole short vertical antenna for 20 meters by AA5TB

Build your own 20m vertical  ^pop - Build your own 50ohm coax fed 20m vertical antenna, so easy a 9 year old can do it, or at least help! And the budget? You may already have the materials on hand, or worse case spend $15 by Andrew Daniel - KI4QFY

Build this Novice 4 band vertical  ^pop - Home made vertical antenna for 80 40 15 10 meters ARRL PDF file taken from QST June 1978

A 40m Vertical - This antenna is intended as a simple, inexpensive solution for the newcomer to experiment across the 40m band (7.0–7.2MHz) when only restricted space is available

Dual Band Vertical On Autopilot - A good 20 & 40 meter dual band vertical using a novel tuning method that provides automatic band switching.

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.

EFHW Vertical Antenna - Steve G0KYA project of and End Fed 1/2 Vertical

End-fed vertical j-pole and horizontal zepp vertical - There are many incorrect ideas and claims surrounding end-fed vertical antennas (like the I-Max 2000), end fed horizontal antennas, Zepp, and J-pole antennas. This article describes it.

Radial System Design - Are the lengths of antenna radials related to the height of a vertical? By N6LF

A two dollar helical hf portable antenna  ^pop - Here’s an easily transportable vertical antenna for 20 meters collapsible to 4 feet that costs about $2.00 to make. This was created as a fun project to demonstrate how to enjoy operating HF in the field with a home-made portable antenna without spending a ton of money. Bev AH6NF (YL) made this antenna, tuned and ready to operate in less than one hour

Homebrew Buddistick 2007 - W3FF article about the buddistick portable vertical antenna in a PDF file

Effects of Very Large Ground Screens - A theoretical and experimental study of the effects of very large ground screens on 20 meter verticals

Petlowany Three-Band Burner Antenna - a simple, low-cost, trapless short vertical antenna which amazingly works on three HF bands (20, 15 and 10 meters)

The St Louis Vertical - By Dave Gauding, NF0R

Vertical wide band 7-21 Mhz  ^pop - The RXO unitenna pdf file a vertical antenna for 40 to 15 meters band

Backyard 7 Mhz Vertical - A vertical antenna for 40 meters band by PA5MW

Short Dipoles  ^pop - Short dipoles and verticals for 160 80 and 40 meters

HB9Z Internet Remote Base - A controllable TS2000 made available at HB9Z in switzerland. Antennas are Carolina Windom 160 for 160-10m, a 5-Element Beam for 20-15-10m a G5RV for 80-10m and a V2000-Vertical for 6m, 2m, 70 cm.

ZeroFive Antennas - Vertical antennas for all HF bands, expecially 80 40 20 meters bands

WD6CNF DSP Filter - Audio Digital Filter, two bandpass filters, three notch filters, two noise filters graphical setting of filter center frequency and bandwidth Drag vertical lines on top of signal, Microphone input, speaker output Mono, 5 kHz bandwidth