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- Antennas > 20M > 20 meter Dipole Antennas
- Antennas > 20M > 20 meter Vertical Antennas
- Antennas > 20M > 20 meter Yagi antennas
- Antennas > 40M > 40 meter Delta Loop Antennas
- Antennas > 40M > 40 meter Dipole 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 J-Pole Antenna
- Antennas > 6M > 6 meter Moxon Antennas
- Antennas > 6M > 6 meter Yagi Antennas
- Manufacturers > Antennas > HF > Active antennas
- Software > Antenna analysis
- Manufacturers > Antenna Analyzers
- Radio Equipment > Antenna Analyzers
- Antennas > Antenna Books
- Antennas > Antenna Calculators
- Antennas > Theory > Antenna Gain
- Technical Reference > Antenna Launcher
- Manufacturers > Antenna Launcher
- Manufacturers > Antenna Masts and Mounts
- Shopping and Services > Antenna Mount
- Manufacturers > Antenna Parts
- Shopping and Services > Antenna Parts
- Technical Reference > Antenna Rotator
- Manufacturers > Antenna Rotators
- Software > Antenna rotor control
- Technical Reference > Antenna Switch
- Manufacturers > Antenna Switches
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An easy to build single wire antenna for 160 and 80 meters with a better than 2 to 1 swr across the 80 meter band
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A wire yagi antenna model, easy to build, made using inverted vee elements and requiring just one support by ve3vn
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An easy to build, compact antenna for wireless lan applications that offers a reasonable amount gain.
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A three-frequency multi-band dipole that can be extended easily to additional bands. This article includes a multiband fan-dipole antenna for 80-40-20-10 meter band.
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Some antenna manufacturers place baluns at the incorrect location in LPDA arrays, or tell you to route the cable incorrectly. This can cause substantial RFI and all sorts of weird problems like RF into house wiring.
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A well documented article on a small magnetic loop antenna for the 40 meters band
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A multi band version of the EH antenna by Emilio S. Campus IS0IEK
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The ZS6BKW wire antenna, a variant of the G5RV, utilizes a specific 13m (42.6 ft) length of 450-ohm window line as its matching section, feeding a 28.5m (93.5 ft) flat-top element. This design aims for lower SWR on 40m, 20m, 17m, 12m, and 10m compared to a standard G5RV, often achieving SWR values below 1.5:1 on these bands without an antenna tuner. The feedpoint impedance transformation provided by the window line allows for direct connection to 50-ohm coax on multiple bands. F4FHH's experience involved constructing the ZS6BKW and evaluating its performance against an _OCF dipole_ (Off-Center Fed) on various HF frequencies. The article includes observations on SWR readings and operational effectiveness, highlighting the ZS6BKW's suitability for multi-band operation. The antenna's overall length, including the flat-top and window line, is approximately **41.5 meters** (136 feet), making it a significant wire antenna for fixed station use. Comparative analysis with the OCF dipole provided practical insights into the ZS6BKW's advantages and limitations, particularly concerning bandwidth and tuner requirements.
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This is a popular antenna design as the performance is very good across the HF bands and requires little or no tuning. It is a dipole fed off center with a 4:1 current balun at the offset feedpoint. The antenna shown covers 80, 40, 20 and 10 meters with 15 meters and WARC bands
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KB1GW's collection of beverage antenna information
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The following are the opinions expressed by various amateurs
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An interesting article about co-linear or collinear antenna building, by Karl Shoemaker, AK2O
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This article describes the design of an antenna for local contacts on 7MHz, including a simple and efficient matching system that presents a 50 ohm load to the transceiver.
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This article describes how to use a phone line as a shortwave receiving antenna, but be carefull telephone lines present a potential shock hazard, use at your own risk
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A project for a balcony antenna that works on 7 10 14 MHz made by 2 PVC tubes coiled with insulated copper wire, a solution for restricted lots.
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A 10 Bands mobile antenna for about the price of 2 mobile monobanders.
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Multiband no trap no gap antenna. This Antenna is a small wonder, easy to build and allow you to work all HF spectrum with your TRX and it's internal ATU.
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To enable switching of a large number of antennas in a two radio setup, and get a smooth solution, calls for a lot of consideration.
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Homebrew a 1/4 wave 80 meter vertical using aluminium tubing
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The AMRAD Active LF Antenna. You can tune into LF activity with this easy-tobuild and erect active antenna. As a bonus, you get MF and HF coverage, to not to mention world-class performance
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by Dr. D.T. Emerson, National Radio Astronomy Observatory (NRAO++). Antenna Compendium Volume 4, pp 64-68, 1995, published by the ARRL.
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Presents the detailed construction of the _FLA25HV_ antenna, a specialized array optimized for Earth-Moon-Earth (EME) communications on the 2-meter band. This resource provides schematics and practical insights into building a high-gain antenna system capable of reflecting signals off the lunar surface, a challenging but rewarding aspect of amateur radio. It covers the mechanical and electrical considerations essential for achieving the precise pointing and signal strength required for successful moonbounce contacts, often yielding **20 dB** or more gain. Amateur radio operators pursuing EME operations require robust antenna systems and precise tracking capabilities. The FLA25HV design addresses these needs by focusing on element spacing, impedance matching, and structural integrity to withstand environmental factors while maintaining critical alignment for lunar reflections. Such systems are crucial for making contacts over distances exceeding **768,000 km**. This personal page serves as a practical guide for hams interested in constructing their own EME arrays, offering a glimpse into the technical dedication involved in pushing the boundaries of VHF/UHF propagation.
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A quick vertical for 160 meters portable use
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Simple, inexpensive and lots of fun! Here is an easy to make home brew antenna that can get you on the air working satellites or be built for use as a portable hand held antenna to extend the range of your HT.
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This note describes a relatively small, but efficient, loop antenna initially created for portable operation. With suitable modifications, it can be adapted for fixed station use. In this age of CC&Rs, an antenna similar to this may very well be the answer to your problems. Have a look, be inspired, get out the torch / soldering iron and create your own version!
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2 element reversible verticals, small footprint, big results.
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Moxons work great, and they take up less space than full size two element Yagis
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Posts about bazooka antennas at towertalk mailing list
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A project for a multiband HF windom antenna by VE2CV and VE3KLO
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Fractal Antennas are a new generation of multiband antennas for wireless communications. Based on a new design concept, fractal technology.
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Local and DX contacts from tight spaces, it works from 40 to 17 meters
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Compact HF antennas for home and mobile use, compact HF maritime antennas, manufactured by multi-band antennas
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A popular 2 meter antenna returns in an improved, easier to reproduce form, 2008 QST article
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A different approach can help you optimize attic-bound aerial by W6HPH