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Query: dipole antenna
Links: 542 | Categories: 7
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Extension to an existing fan dipole originally modeled for 40 20 and 6 meters. This modification will add 80 15 and 10 meter bands. -
A very basic guide to antennas concept. Explain the usage of dummy load, basic antennas like dipole o j-poles. -
A multi band dipole antenna that covers 15m 20m 30m 40m -
An home made vertical dipole antenna made with simple material. The antenna has a total length of aproximately 16 feet. In this article appeared on June QST 2019, the author explain how he reached the optimal confirugation changing and adjusting the lower part of the antenna, trimming and spacing correctly the copper wire. PDF File to downloas -
This short dipole antenna has been described by Nadisha, 4S7NR and may be of interest to anyone wishing to get on 80M (3.5MHz) that have limited space available. -
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A scanned PDF of this interesting book on HF Dipole antennas published by Stanford Research Institute -
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Unlocking the full multiband potential of the 225 Ohm elementary radiator in a folded monopole, dipole-like or turnstile layout, by Francesco Errante -
An off centre fed dipole, with 10 feet of vertical radiator. It needs no tuner on 40m, 20m and 10m by M0UKD -
Antenna support masts, towers and HF antennas, pneumatic masts, push-up masts, antenna masts and mounts, poles, antenna systems, dipoles, portable, nvis antennas -
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17-Element Very High Frequency/Ultra High Frequency Log Period Dipole Array -
Summary of common dipole and wire antenna models, from the basic dipole to sloopers, inverted v and multiband wire aerials -
Build an effective dipole antenna that needs much less space by adding two loading coils. This online calculator tells you how. -
A simple and awesome wire monoband antenna, very usefull for portable and dxpeditions usage, consist of two elements, a driver and the reflector. This endfed halfwave gives a very low take off angle and is very suited for chasing DX. -
All antennas that are situated close to the ground are affected by that ground to some extent. This article explain effects and benefits of counterpoise. -
A excellent 31 pages presentation of how to build and setup vertical delta loops, giving attantion to performance, loop shape or optimal feeding point, includes many pictures and comparison vs dipoles or monopole antennas -
The antenna build into this project is made from 2 fishing poles on a fiberglass pole in the center. -
The G7FEK Multi-Band Nested Marconi Antenna, a small, efficient all-band antenna. -
This handy and cheap portable dipole can be folded and backpacked, carried in use, and adjusted to a very wide range of frequencies by KV5R -
The page provides a project for an helical dipole for the 40 meters band, resonating on 7 MHz, created by PY1ZFK based on a design by DL8VO. It includes detailed instructions on building the antenna. -
T2FD A practical construction article, which first appeared in the Electronic DX Press, contains a number of useful photos and detailed instruction to build this antenna by VK3BVW -
40/20/10 Meter Fan Dipole attic antenna article by KD2GOE -
Experiments with spiral dipole antennas. Includes two spiral antenna designs for 20 and 40 meters band by KN9B -
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Experiments on HF antennas for restricted spaces. In this article author experiments antennas for 80-10 meters band having just a very small garden and several restrictions. Basic antennas consists of laded multiband dipoles and fan dipole antennas -
An homemade fan dipole antenna for 20 30 40 meter bands, setup in a 15 meter wide garden. The longest leg for 40 meter is folded to fit in the 7.5 m -
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A page in french dedicated to the double bazooka antenna, with a short history of this antenna model and main characteristics including a comparison versus the dipole antenna and formulas to determine elements size. -
The N3UJJ multi band cage dipole antenna project thay can fit a small property -
This calculator is designed to give the horizontal length of a particular dipole including Tees, antenna, or one side of it, for the frequency chosen. Enter the desired frequency and select the desired calculation from the drop box -
Ham Radio & NOAA Apt Weather Satellite blog. All weather satellite NOAA APT images are decoded with homebrew receiver. Setup using homebrew Turnstile Cross Dipole antenna, P-3 500MHZ PC with WIN-XP & WXTOIMG program. -
This antenna is intended for the 20-meter Band. There are two Voltage Fed Helical Dipoles, made with 2 slinky that fed with phase shift in 90 degree -
Presentation by AC8GY on classic G5RV Antennas and other horizontal dipoles, the popular G5RV, ZS6BKW, dipole fan, Alpha-Delta DX-CC and a trap dipole are modeled in EZNEC and compared. -
Design and build an 6 m dipole antenna from aluminum, tubing, that resembles the active element of a yagi beam antenna. -
A lightweight portable vertical antenna for 40m -
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A home made dipole antenna for 10m, 6m, 4m bands made with two sections of 450 and 300 Ohm ladder lines, cut to achieve acceptable SWRs on all bands -
A three band short Vee antenna is feasible with two legs per side on a dipole. 10-15-20 meters by W8HDU -
Ever need a way to estimate the amount of wire to add to or remove from a center-fed wire dipole antenna to achieve resonance at a desired frequency? This article help to determine correct wire lenght. -
Only 2x 10ft wide, performance similar to full-size dipole, covers whole band with SWR better than 1:1.2. -
Homebrew project of a windom antenna, an off center fed dipole, resonating from 10 to 80 meters -
The Double Bazooka Dipole is a very efficient single band antenna which is very quite,and does not require the use of a balun. This antenna consists of coax (RG58) with the shield split at the center and the feedline attached to the open ends. -
A dipole antenna for 7 MHz support for this antenna is fiberglass military mast -
The gamma match was originally invented as a means of feeding vertical monopole antennas for medium wave broadcasts, which were earthed at the base for lightning protection- Hams are more likely to use a gamma match to feed a dipole or loop element, but the basic theory is easier to understand for the case of a quarter wave monopole. -
A simple to build full length 20/40 dipole antenna to be used in inverted vee configuration -
A comparison of multiband dipoles, including jumpered dipole versus fan dipole antennas, dipole fed by ladder line, resonant dipoles antennas. ARRL lab notes -
An basic horizontal half-wave antenna which can be made of ordinary copper wire. The cable should have a cross section of 1 mm 2 or more. The antenna can be stretched between two masts, a house and a mast, or between two apartment buildings. -
