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- Antennas > 20M > 20 meter Vertical Antennas
- Antennas > 40M > 40 meter Dipole Antennas
- Antennas > 6M > 6 meter Yagi Antennas
- Antennas
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- Manufacturers > Antennas > HF > Delta Loop Antennas
- Manufacturers > Antennas > VHF UHF Microwave > Ground Plane Antennas
- Radio Equipment > HF YAGI Antennas
- Manufacturers > Antennas > VHF UHF Microwave > HT Antennas
- Manufacturers > Antennas > HF > Log Periodic Antennas
- Manufacturers > Antennas > VHF UHF Microwave > Microwave antennas
- Manufacturers > Antennas > VHF UHF Microwave > Mobile Antennas
- Manufacturers > Antennas > HF > Mobile Antennas
- Manufacturers > Antennas > VHF UHF Microwave > Quad Antennas
- Manufacturers > Antennas > HF > Quad Antennas
- Manufacturers > Antennas > HF > Small & Stealth Antennas
- Manufacturers > Antennas > VHF UHF Microwave > Vertical Antennas
- Manufacturers > Antennas > HF > Vertical Antennas
- Manufacturers > Antennas > HF > Yagi Antennas
- Antennas > 20M > 20 meter Dipole Antennas
- Antennas > 20M > 20 meter Yagi antennas
- Antennas > 40M > 40 meter Delta Loop Antennas
- Antennas > 40M > 40 meter Loop Antennas
- Antennas > 40M > 40 meter Magnetic Loop Antennas
- Antennas > 40M > 40 meter Vertical Antennas
- Antennas > 40M > 40 meter Yagi Antennas
- Antennas > 6M > 6 meter Moxon Antennas
- Manufacturers > Antennas > HF > Active antennas
- Manufacturers > Antennas
- Manufacturers > Antennas > VHF UHF Microwave > Discone Antennas
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Progress in Design of Extremely Short Transmitting Antennas Short and still efficient, how is that possible? By Juergen Schaefer, DL7PE author of the MicroVert antenna concept. The MicroVert introduced in this document is an extremely short and hardly visible short-wave antenna with outstanding radiation properties
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This page will help you answer important questions about antenna selection before you talk to a supplier. After reading this paper, you should be able to better determine the most important parameters you need to know for your antenna selection criteria.
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Many antennas function because of common mode currents, rather than working in spite of them. Two popular examples are CFA and EH antennas. Another recent example, appearing in Antennex's compact antenna articles, is a thick stub "vertical" with no counterpoise.
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The page discusses Axial-Mode Helical Antennas, focusing on turning helical antennas over perfect ground and modeling helices in NEC-2 for optimized design. It covers topics such as high-gain performance, broadband, impedance matching, radiation pattern, feedline, balun, near field, far field, and DIY applications.
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About HF Wire Antennas for field day or any day a basic wire antenna article
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Helical antennas have long been popular in applications from VHF to microwaves requiring circular polarization, since they have the unique property of naturally providing circularly polarized radiation. Paul Wade W1GHZ
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This HALO design is not ground dependent and can be mounted atop a section of PVC.
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By Guy, de ON6MU, At VHF, both the 1/4-wavelength monopole and the 5/8-wavelength monopole antennas are widely used.
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W4ZT used this antenna for Field Day and other portable applications. He built them for all bands between 160 meters and 6 meters. You can make them easily using whatever wire you have available and make the insulators from scrap plastic
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There is considerable confusion as to what exactly a multiband vertical antenna is. The confusion concerns the method of feed, how much mismatch one can expect, how many radials are required, how the particular antenna is built for multiband use, plus some other points.
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A moxon antenna project for 70 cm band, test and results of this popular antenna model applies to UHF bands.
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Lowering an NVIS or N.V.I.S. antenna very close to the ground enhances NVIS operation
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Lazy H Antenna, Bi-Square, Sterba Curtain, HR, HRS, and USIA Curtain Antenna Arrays at W8JI
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Quad and loop antennas comparisons, evaluating the impedance and gain of both antennas and considerationso n horizontal loop antennas for low bands by PA0FRI
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How to make a Double Extended Zepp Antenna, almost a conventional halfwave dipole fed in the center with 300 or 450 ohm feed line by kh6jrm
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Screwdriver Antennas by Ron Wilson
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Electronically controlled HF antennas. General coverage. Top features on all ham bands. Very advanced materials and state of the art technology.
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The rhombic antenna is a diamond-shaped antenna, suspended between 4 masts.
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One of the most useful antennas in the repertoire is the Marconi or quarter wave grounded vertical antenna. Its invention made it possible to halve the length of antennas, simplifying communications, especially at HF and below.
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Importance of receiving antennas in working dx stations by Greg Ordy
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DK7ZB- Moxons with Aluminium Tubes, plans for moxon antenna for 6 10 12 15 meters
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A collection of home made custom wire antennas with schematics and design notes by SM0DTK
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Extensive article on building antennas for the 136 Khz band covering several aspects of antennas for the 136 kHz band including Vertical monopole antenna, Short vertical monopole, Vertical antenna with capacitive toploading, Umbrella antenna, Capacitive toploading of single-tower antennas and Spiral toploaded antenna
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The industry standard in all antenna products
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A presentation of popular wire antenna models like Dipoles, half size, full size, doble zepp, ocf dipoles, G5RV
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Basic information on the folded dipole antenna
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An old post by John Doty about effects of noise in longwire antenna.
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Cheap Antennas for the AMSAT LEO Kent Britain WA5VJB
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This article describes a project of asymmetrical hatted vertical dipole, a portable antenna that can be used for field day operations, sota, campings or even for fixed installations. This is a freestanding 20-10m antenna that is really easy to build, easy to tune and relatively easy to carry.
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Notes on Axial-Mode Helical Antennas in Amateur Service. Helix Basics, Modeling Issues, and Short Helical Antennas Over Perfect Ground
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From his simple ham radio antennas series, KH6JRM describe an interesting short vertical helix antenna for th 40 meters band
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Fractal Antennas by Philip Felber A literature study as a project for ECE 576
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Collection of different techniques to homebrew PVC yagi antennas, including elements assembling, baluns and chokes, radiator box tips and tricks by dk7zb
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Ham radio antennas and electronics, specialized in 1/2 wave dipole, OCF dipole, windom, full wave loop, end fed, inverted L, portable end fed antenna, long wire, SWL antenna, fan dipole, multiband dipole, G5RV and military antennas.
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Some antenna manufacturers place baluns at the incorrect location in LPDA arrays. If we consider what the balun does we can see how the mistake occurs.
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A shortened 160 meters band antenna for hams who do not have 260 ft of space, based on a open-wire-fed short dipoole
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The 40 meter horizontal loop is constructed from #10 stranded insulated wire available in most hardware stores. The feedpoint uses PVC a pipe T-section. The coax loops through the T-section to provide strain relief by W1TR
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This VHF loop antenna is great for indoor use or travel
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Comparison chart for low-band receiving antennas