Search results
Query: 20 meters
Links: 277 | Categories: 3
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Indoor multiband dipole with EZNEC data files for simulation and analysis. Includes details on construction, tuning, SWR plots, and software usage. This page includes two different dipoles, a first version for 20-10 meters and an extended version covering 40-10 meters allowing a full coverage of most used ham radio HF Bands.
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Vertical antennas for all HF bands, expecially 80 40 20 meters bands
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Rigid Dipole antennas for 14 MHz band using PVC and Aluminium tubing
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A reversable quad antenna for 40 meters band by N4JTE
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Build a Multi-Band Mono Delta Loop for 40, 30, 20 and 15 Meters.
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Wire antenna for 10-15-20-40-80 meters band, with many drawings and description in spanish
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A Simple Nondirectional Antenna for Ten Meters QST February 1950, Easy to build J-Pole antenna for restricted space.
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Inverted vee dipole antenna for 20 meters band by VK1OD
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A half sloper antenna for 160 meter band Italian translation of a WD8DSB article appeared in a QST issue during 1998. This article presents a **Reduced-Size Half Sloper Antenna for 160 Meters**, designed for amateur radio operators with limited space. By utilizing a 40-foot tower or a tree, you can build an efficient antenna that slopes down, achieving a 2:1 SWR bandwidth of 120 kHz. This innovative design allows for effective communication on the "Top Band," making it ideal for winter DXing.
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The Petlowany Three-Band Burner is a simple, low-cost, trapless short vertical antenna which amazingly works on three HF bands (20, 15 and 10 meters). This web page contains pictures, performance data, and enough construction details so you can homebrew your own.
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NW3Z yagi antenna designs for Dayton 2001 Includes yagis for 20 15 10 meters.
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Picture and construction details of a 5 element 20 meter monobander
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A 3 element yagi beam for 40 meters band
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A Quad Fractal Antenna for 20 meters band by F3DD
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Pictures of the 160 meters dipole antenna at W5JGV
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A double dipole for the 20 and 15 meters band in french
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5 elelents yagi beam antenna for 20 meters band by T93M
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This very large moxon antenna resonate on 80 40 and 10 meters, has been used for CQWW 2006 by a YU team project
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A site devoted to Amateur Radio Homebrewing, CW-decoder, CW QRP Transceiver for the 40 & 20 meters band, CMOS reader
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10 to 20 meters band log-periodic antenna project with SWR Plots, boom lenght and element spacing.
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IK4DCS experience on maintaining a multiband delta loop antenna for 10/12/20 meters.
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MQ-1 four band HF beams 20,15,10,6 meters MQ-2 six band HF beams 20,17,15,12,10,6 meters, beam antennas and Hybrid Quad antennas
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G3YCC article pn the W3EDP end-fed antenna for 80 to 20 meters bands
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A simple to build Yagi 2 element antenna for 15 or 20 meters band by 9m2mso
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An homebrew project for a 3 elements yagi monoband antenna for the 20 meters by 9M2MSO
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A direct drive ring radiator antenna for the 40 meters band by W6WYQ QST article.
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Doublet multiband antenna for 80 to 10 meters band by
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A homebrew project for a multiband end-fed antenna made with a single FT140-43 and 50pf capacitor and 20 meters of wire.
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A multi band delta loop antenna that work on 20 and 40 meters band, that can be used either on 15 meters with poor performances
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A 7 elements yagi beam monoband antenna for 14 Mhz by VE3GK
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How to homebrew an hex beam antenna for 20 17 15 12 10 meters band by VA7ST
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VU2RAR basic VHF power amplifier suitable for 144-146 Mhz output power can vary from 3 to 25 Watts.
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Improvements to Using the Heath SB-200 Linear on Six Meters by Ron Klimas, WZ1V
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A vertical half-moxon for the 7 Mhz by F6IRF
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A multiband antenna that can work from 80 to 10 meters in this illustrated docuemnt by G8ODE
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Here is a very simple and practical way to make a short but efficient 40-meter dipole. The K4VX Linear-Loaded Dipole for 7 MHz
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30/17/12 and 20/15/10-Meter Tribanders and a 40 meters inverted V wire yagi antenna
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A monoband yagi for 14 MHz a PDF article from 73 amateur radio magazine by AB4GX
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A two elements beam antenna tunable from 6 to 20 meters, based on the Maria Maluca antenna project by DB9EX, in german
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A W3DZZ trapped dipole for 80 40 and 20 meters band by ZL1BJQ
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AB4GX K4EAA Mononband yagi antenna for 20 Meters