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Query: dipole
Links: 648 | Categories: 10
Categories
- Antennas > 20M > 20 meter Dipole Antennas
- Antennas > 40M > 40 meter Dipole Antennas
- Radio Equipment > HF Portable Antenna > Buddipole
- Antennas > Dipole
- Manufacturers > Antennas > HF > Dipole Antenna
- Antennas > Fan Dipole
- Antennas > Folded Dipole
- Antennas > Resonant Feedline Dipole
- Antennas > T2FD
- Antennas > Wire
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This document contains the detailed instructions to build a homemade lindenblad antenna using a twin-lead as dipole elements. This document contains 9 pages and includes a detailed construction sequence and some drawings to build this antenna for UHF and VHF ham radio bands
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A javascript online calculator for popular wire antennas, from the standard easy to build flat-top dipole, to the inverted V dipole, but also the Quad Loop, and the equilateral delta loop antenna
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Centre fed half wave dipoles make great, simple and effective antennas for the HF bands. Sometimes however, the centre feed is not ideal. This great project will improve the overall antenna performance.
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The Folded Dipole is not used much amongst Radio amateurs, probably due to the fact that this antenna uses twice as much wire as a single-wire dipole.
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Multi-band loft-mounted dipoles for 40, 20, 17, 15, and 10m
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A slinky dipole antenna that covers almost all HF bands mede with a flexible 90-turn metal spring by N4SPP
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SOTA 6m 52 MHz Coaxial Dipole Antenna based on the vertical coaxial dipole named the Flowerpot Antenna
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The Fence Fan Dipole a quick, easy and inexpensive multiband dipole antenna
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Interesting article on multiband fan dipoles. This article give an overview on designing this wire antenna, and planning a robust installation and proper feed line. Includes notes on setting up a commercial fan dipole antenna and on how diy your own.
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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.
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A very basic guide to antennas concept. Explain the usage of dummy load, basic antennas like dipole o j-poles.
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A multi band dipole antenna that covers 15m 20m 30m 40m
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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
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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
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An off centre fed dipole, with 10 feet of vertical radiator. It needs no tuner on 40m, 20m and 10m by M0UKD
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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
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Summary of common dipole and wire antenna models, from the basic dipole to sloopers, inverted v and multiband wire aerials
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Build an effective dipole antenna that needs much less space by adding two loading coils. This online calculator tells you how.
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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.
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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.
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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
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Wide bandwidth Trapped Verticals and rotary dipoles, baluns, 40m/80m wire dipoles and accessories from Australia.
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The antenna build into this project is made from 2 fishing poles on a fiberglass pole in the center.
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The G7FEK Multi-Band Nested Marconi Antenna, a small, efficient all-band antenna.
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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
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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.
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Classical coax-fed, off-center-fed dipole, feeded with a 4:1 Guanella balun
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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
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40/20/10 Meter Fan Dipole attic antenna article by KD2GOE
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Experiments with spiral dipole antennas. Includes two spiral antenna designs for 20 and 40 meters band by KN9B
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Modeling an 80/40/20M Fan Dipole for DX by Larry Banks, W1DYJ
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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
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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.
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The N3UJJ multi band cage dipole antenna project thay can fit a small property
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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
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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.