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The K7EFX Multiband 3-Half-Wave 6-Meter, Half-Wave 17-Meter, Rotatable Antenna

C-Poles for 20m and 6m, it is a folded half-wave dipole with an asymmetrical tapped 50-Ohm-point in the lower part of the antenna. Design hints by DK7ZB

A small sized and very cheap antenna project that allow you to work on WARC bands with a total gain very close to the dipole in both bands. On 12 meters is a normal dipole, while on 17 is a trapped dipole. Article in Italian

Use this online calculator to determine the length of a dipole antenna from the frequency. Both metric and English units of measurement are supported.

A multiband coax trapped dipole for 10-80 meters bands by DF1PU

A eham article on a square copper dipole antenna for 50 MHz by K0FF

The HF horizontal loop has been around for many years now. This article includes a YouTube video and discusses the reasons for looking at this antenna, its design, and its installation. There are some on-air comparisons against three regular double bazooka (coax) dipoles and the Par SWL End-Fed antenna.

A shortened multiband dipole antenna by PA0FRI in Dutch

The antenna consists of 6 runs of stranded wires spaced by plastic Hula Hoop spacers made of poly tubing

A 2 meter dipole antenna by KV5R

Limiting static surges on dipoles, verticals or end fed antennas

Dipole, inverted V, full wave loop and grond plane antenna quick reference plans

This document describe serveral wire antennas, from the folded dipole, to the common halfwave monoband antenna for those who want to make HF portable operations in holiday.

PE2MC show how to change a shaft on a 30/40 meters Steppir Dipole antenna with pictures and instructions

Photo construction manual of a portable antenna made with two heavy duty whips by buddipole. In this article has been implemented a 50 MHz portable dipole.

Find out how much to adjust the length of a quarter wave whip or a half wave dipole rather than the outright cut-and-try method.

Electrically shortened dipole antennas, article by Mark Connelly, WA1ION

A multi band portable link dipole antenna for 20 30 and 40 meters band

All about dipole antenna construction

The AB2RA bowtie 80 meter antenna includes also a 40 meter dipole

Spipral antenna principle by a concept of Bill Petlowany, K6NO. Tak Antennas are based on this principle, using spirals as dipole linear wires.

This is another alternative home-brew center connector for a dipole. The parts used are common PVC accesories found at the home supply store.

An antenna for shortwave radio broadcasting consisting of rows and columns of dipoles, is a high gain directional antenna, designed for medium and long range communications.

Testing performances of indoor antenna. A comparison of a magnetic loop antenna vs a classic wire dipole done using wsprlite on 30 meters band.

Based on a simple project based on a 2 elements Yagi for 20m band, and then becomed a triband yagi with a open-sleeve feed system

This article describes the design and simulation of a multiple dipole antenna for the HF band, using the software MMANA-GAL. The antenna will be designed to operate in the 10, 20, 40 and 80 m bands

Building a Resonant Feed line Dipole for 2 Meters

Construct a compact, 20 meter rotatable dipole antenna of durable weather worthy components supported at a single point obviating the need for multiple supports and multiple support ropes crossing the yard.

An off-center-fed sleeve dipole, made of CPVC and aluminum foil tape by KV5R

The fan dipole antenna as an alternative to the paralled dipole antenna, to achieve a larger bandwidth and a better tuning by decreasing elenment influences.A project based on the W6HDG original concept.

kv5r 2 meter antenna

Modeling compact 160 meter antennas, inverted L, half wave dipoles and linearly loaded dipole

A wire antenna feeded with an unsymmetrical feed and a 1:4 balun can be tuned from 6 to 80 meters band but can be noisier than a dipole and cause RF in the shack

22 Different Wire Antennas for the 160 Meter Band, Random Length Radiator Wire, delta loop, loop antennas, off-centered antennas, sloper, dipoles, Z antenna, Zepp and Clothesline Antennas

An excel spreadsheet that in a really simple way checks how much to trim your antenna elements. Download the xls file and watch the presentation video include in this page

Setting up a new antenna Mast for dipoles at VE3VN

This simple antenna modelling windows software by F5IMV wil calculate a dipole,extended double Zepp,G5RV, ZS6BKW and many other wire antennas by F5IMV

An unconventional antenna family, the VHF/UHF Zigzag Dipole Antennas. Design, theory and practical construction, transformation and balancing with a half wave balun.

Experimenting vertical wire antennas for 40 and 20 meters supported by balloons resulting in excellent gain in RX and good overall performance against horizontal dipole

Common antennas for portable use compared. A vertical antenna, a dipole antenna an inverted V and a fan dipole all at same height.

Dipoles at the correct height are not only stealthy antennas, they work great

An economical dipole for simple QRP HF homebrew rigs

This page provides information on building a short dipole antenna for the 60 meter tropical band. It includes details on the construction of the antenna using 12 meters of wire divided into four sections. The page is aimed at experienced shortwave DXers and radio hobbyists looking to improve their antenna setup for better DXing performance.

The N3UJJ antenna project,parallel-cage dipole a multi-band horizontal antenna, without the need of an antenna tuner.

Theory and origins of W4RNL Asymmetrical Hatted Vertical Dipole AHVD for portable operations.

Study of the Coaxial Dipole: Just how does this thing work.

A comparison of the buddipole antenna versus a wire dipole done on 20 meters band

A small dipole antenna installed inside a balcony. This linear loaded short dipole antenna has been designed at first for the 21 MHz and then adapted for the 20 meters band.

Antenna modeling discussions about What happens if... a dipole is bent horizontally, laterally, vertically. Zig-zag, meander, catenary curve. Effect of sag, elevation, radials. OCF off-center feed, harmonics. Includes 4NEC2 antenna models for each study.

Maltronix, HF antennas, dipoles and verticals, switching power supply, power distribution, antenna switch