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Query: J Pole
Links: 770 | Categories: 13
Categories
- Antennas > 20M > 20 meter Dipole Antennas
- Antennas > 40M > 40 meter Dipole Antennas
- Antennas > 6M > 6 meter J-Pole Antenna
- Radio Equipment > HF Portable Antenna > Buddipole
- Antennas > C-Pole
- Antennas > Dipole
- Manufacturers > Antennas > HF > Dipole Antenna
- Antennas > Fan Dipole
- Antennas > Folded Dipole
- Antennas > J-Pole
- Antennas > Resonant Feedline Dipole
- Antennas > T2FD
- Antennas > Wire
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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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Experiments with spiral dipole antennas. Includes two spiral antenna designs for 20 and 40 meters band by KN9B
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40/20/10 Meter Fan Dipole attic antenna article by KD2GOE
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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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Modeling an 80/40/20M Fan Dipole for DX by Larry Banks, W1DYJ
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An online J-Pole antenna calculator that need just to input the frequency and calculates in inch size of each element
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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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A 2m 70cm Dual Band J-Pole antenna for 35 USD. An excellent performing J-Pole type antenna, constructed from readily available materials.
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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.
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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
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A moxon antenna project made with wires and fiberglass poles
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This is a simple portable 2-meter J-Pole antenna. You start with a piece of 450-Ohm Ladder Line
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Homemade Loaded Coil Dipole ( w8010 diamond ) for 10, 15, 20, 40 and 80 meter
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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.
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Design and build an 6 m dipole antenna from aluminum, tubing, that resembles the active element of a yagi beam antenna.
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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
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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.
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A three band short Vee antenna is feasible with two legs per side on a dipole. 10-15-20 meters by W8HDU
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Only 2x 10ft wide, performance similar to full-size dipole, covers whole band with SWR better than 1:1.2.
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An interesting article on how to make copper cactus J-Pole antennas
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Ground Plane - 1/4 wave vertical, J-Pole, 3 Element Yagi Beam and simple antenna supports
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Homebrew project of a windom antenna, an off center fed dipole, resonating from 10 to 80 meters
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An interesting article on loading short vertical monopole antennas, representing six different methods. Base loading, Center Loading, Top Loading, Continuous loading, half and half loading and capacitive top loading.
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A Co-ax Trap Dipole For 40, 30 and 20 Meters or at last that was the intention
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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.
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A dipole antenna for 7 MHz support for this antenna is fiberglass military mast
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A simple to build full length 20/40 dipole antenna to be used in inverted vee configuration
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A comparison of multiband dipoles, including jumpered dipole versus fan dipole antennas, dipole fed by ladder line, resonant dipoles antennas. ARRL lab notes
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Telecom Product Profiles is a manufacturers' rep firm specializing in factory direct Nello Towers, monopoles, antenna mounts, shelters, and more. Factory direct Cellular, PCS, and Wireless Broadband equipment such as antennas, radios, and more. Installation, financing, and leasing options available.
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The collinear J-Pole, often known as the Super-J, does improve the behavior over a regular J-Pole. As many attest, there is an advantage when vertically combining 1/2 radiating sections to have a bit of separation between the half-wave end points. The Super-J has very little separation between the two half-wave radiators.
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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
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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
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This is the construction of a copper cactus style j-pole antenna.
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After you have build this antenna, you may not need anything else. This article shows how to build a VHF j-pole antenna and how to protect it by inserting it into a PVC tube, the correct way.
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Use this online calculator to determine the length of a dipole antenna from the frequency. Both metric and English units of measurement are supported.
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Buy ham amateur radio, antenna, j pole items from ON ANTENNAS J POLE eBay Store. We sell ham amateur radio, stealth wire, 2 meter, vertical items on eBay.
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A multiband coax trapped dipole for 10-80 meters bands by DF1PU
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Project with pictures and plans for an HF off center fed dipole by KB1NWH
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Antenna for limited space, made from 24AWG wire helically wrapped around the top element of a 3-element cane pole, is basically a fully-loaded vertical and performance are limited and should represent the last resort for extreme cases.
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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.