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VE7CA reprint an interesting article taken from arrl antenna compendium. Two elegant practical and portable 6-meter gain antennas, a two-element quad and a tree-element Yagi antenna for 50 Mhz-6 meter band -
This is a hex beam designed for six meters. It has three elements with a turning radius of 54 inches. This antenna can be built from low cost materials available from the local hardware store. By WB3BEL -
Designed and built by W6NL looks like a loaded yagi this 2 element moxon antenna offer 6dbi -
Dimension and formula for a 4 element QUAD antenna for the 10 meters band -
This is my simple implementation of the ARRL Antenna Book design equations for the axial-mode helical antenna. -
W5ALT Indoor Vertical Antenna is a base loaded vertical antenna that can be tuned on almost all HF bands by adjusting a big coil. Operating a ham radio station from an apartment in Maracaibo, Venezuela, the author demonstrates effective communication with over 100 countries using a custom-built indoor vertical antenna. Addressing common misconceptions, the design uses a balanced approach with radials and a base-loaded vertical element made from affordable materials. The antenna fits discreetly indoors, covers 6 to 40 meter bands, and achieves acceptable SWR with an MFJ tuner. Despite limited space and typical apartment challenges, the setup enables reliable DX contacts, confirmed by numerous QSL cards, proving indoor antennas can perform well in constrained environments. -
8 and 4 elemets yagi beam antenna by N6CA -
An attic indoor antenna successfully implemented by N9RET by using two runs of 2-conductor wire -
Moxon antenna project, each side is 51 feet long and the turned in sections are each 7.7ft long. This antenna performed similar to a full size two element yagi for 40 meters. -
A 5 elements yagi antenna for 10 meters band project, plane and picture of the EF105A by YU7EF -
F6DED page of a 2 element beam W8LK antenna with pictures and dimensions, in french -
The Bazooka-antenna was developed by the staff of M.I.T. for radar use. The original Bazooka used coaxial cable for the entire radiating elements. -
10 to 20 meters band log-periodic antenna project with SWR Plots, boom lenght and element spacing. -
One of the most important considerations when designing and building a Yagi antenna is the method used to attach the elements to a boom. This is true because the boom influences the electrical length of the elements. In this article JH Reisert explain with drawings techniques on mounting yagi antenna elements to a boom -
46ft multi-band antenna for small gardens. Works well on 80m. An excellent DX performer and is an ideal replacement for your half size G5RV -
A small antenna for all amateur bands, including 80 meters, and in a small garden without the compromise. An ideal replacement for those half size antennas such as the 1/2 size G5RV and Windom 40 -
An option for restricted and limited space, to operate the six meters band with an indoor three elements yagi antenna by Brian Williams -
Includes EH antennas, 7Mhz vertical monopoles, 5 elements vee log-yagi for 10m and more -
The function of the calculator is to give all of the needed sizing to construct a good 5 element quad antenna for amateur radio use. -
Two element X-Beam is a high-performance broad-band antenna that is ideal for Ham radio operators with limited space. X-Beams are inexpensive and easy to build. The performance of the simple X-beam is amazingly similar to larger, more conventional antennas by 4S7NR -
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A standard 6 elements design scaled for UHF application. All material used in this project are easily obtainable tubes and rods which is limited within a total budget of $18. -
The EF0604S is a compact 4 elements yagi antenna plan for six meters band featuring 8.77 dBi gain and a front back gain of 17.89 dB. Article includes elements dimensions and spacing, along to pictures of some homebrewed examples. -
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2 Element Cubical Quad Antenna for 28 MHz by DL7JV in german -
An easy to build moxon antenna for portable use. A Moxon Rectangle is a two element beam, where both elements are folded towards eachother. -
The document discusses a two-element parasitic Delta-Loop array for the 40 meters band, aimed at radio amateurs interested in antenna projects. It provides detailed plans and instructions for building a homemade Delta-Loop antenna. -
Online javascript antenna calculator designed to give the critical information of a particular beam antenna, in this case a seven element Yagi, for the frequency chosen. -
A simple to build Yagi 2 element antenna for 15 or 20 meters band by 9m2mso -
The webpage provides information on a two-element Yagi antenna for 24 Mhz, created by IK4DCS. It includes details on the design and construction of the antenna. -
A potpourri of 160-Meter vertical antennas and modeling issues, inverted-L, 3-element parasitic array, 1/4-wavelength monopole -
EF403 is a 3 element yagi antenna for the 40 meters band with high gain and F/B Ratio -
Quagi 8el 70cm improved 13.77dBi by IK1HGE -
An homebrew project for a 3 elements yagi monoband antenna for the 20 meters by 9M2MSO -
ON6MU Optimized 10 and 6 and 4 element UHF Yagi Antenna -
A javascipt online calculator for 2 and 3 element beam antennas. Just input frequency and will diplay element dimensions and spacing. Measurements in Feet and Meters by G4VWL -
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ON6MU optimized 6/9 element vhf yagui antenna with antenna schematic plan and pictures of homebrewed samples. -
Theory, Modeling, and Practical Applications By W5JCK, presentation in PDF File. This presentation focuses on Near-Vertical Incidence Skywave (NVIS) antennas, which are crucial for short-range radio communications, particularly in military and emergency contexts. It explores NVIS theory, antenna models, and installation criteria while debunking common myths about reflectors. Key topics include usable frequency bands, optimal installation heights, and the impact of soil quality on performance. The presentation outlines the best bands for daytime and nighttime use, emphasizing the importance of understanding propagation characteristics to enhance communication effectiveness within 200 to 300 miles. -
The Super J Pole antenna is a co-linear vertical consisting of a number of half wave length vertical elements separated with half-wave length stubs (Tuning stub) feed with a folded matching stub by vk6ysf -
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A 7 elements yagi beam monoband antenna for 14 Mhz by VE3GK -
Horizontal HF 6-Band turning arranging emitter with 2 elements Maria Maluca -
This 2 meter 3 element cubical quad antenna is small, light weight and portable. A backpack antenna that is easy to put together in just minutes and parts store inside the boom making it ready for travel or storage. -
An homemade portable vertical antenna with a trap near the mid point of the main element. The trap is made with 42mm diameter PVC pipe with 9 turns of wire on it -
A 46ft multi-band antenna for small gardens that works on 80m. An excellent DX performer and is an ideal replacement for your half size G5RV by G7FEK -
This page describes a simple way to determine the main RF characteristics of a Wifi (IEEE802.11b/g wireless LAN) antenna.