Moxon beam calculator software

This type of antenna mainly contains two connected passive elements that give this antenna a rectangular look. First, determine the dimensions for the wire elements using the moxgen calculator, this software is available online for. The rectangle, however, far exceeds other 2element beams in fronttoback ratio, while almost equalling them in gain. The moxon antenna, designed by les moxon g6xn sk, is a compact two element beam antenna with about 5. Free beam calculator bending moment, shear force and. I used the moxgen program to get the measurements of the antenna.

I did some searching on the web and came across the moxon antenna which looked to be just the job and fairly easy to build. Moxon calculator w4vp9kf online moxon calculator i built the antenna in the attached images using some plastic cardboard material like the political yard signs are made of. It describes a 4 element moxon antenna for 6m, 4m and 2m. Free online engineering calculator to find the dimensions of a yagi uda antenna for a given frequency range and length. One of my petpeeves of antenna building is that the antenna should be able to be optimised onsite. It is able to accommodate up to 2 different concentrated point loads, 2. The program is based on an algorithm developed by l. Moxon antenna calculator by brad k4nha january 6, 2015 stumbled across a good moxon antenna calculator this morning which was created by paul evans w4vp9kf. A in interesting moxon antenna for the 40 meters band. A 6 meter moxon antenna discover 6 meters for the first time or enhance your existing operation with a rugged but portable version of this novel 2 element antenna. Moxon g6xn in his book hf antennas for all locations rsgb publications, great britain 1993. Another measurement for beam antennas is the beam width. For an overview of this antenna see the cebik article the moxon rectangle.

Dimensions are in inches and the letters are as per the standard drawing. Using it, you can design a moxon rectangle antenna. Describe your experience with the sal electronics se2m 2 meter moxon beam and tell us why you give it the rating you did required. Moxon rectangle generator is an easy to use moxon antenna designer software for windows. I built it from plans in the may 2003 issue of qst magazine. Basically, a moxon rectangle is a 50 ohm two element wire beam antenna. This is a world wide web front end for a public domain program written by. John simpson, kg4zow download source code for this program moxon algorithm and diagram are from moxon moxgen. Other useful information would include your experience with similar. Since installation is not necessary, you can extract the program files to any.

Autoez works in conjunction with the eznec antenna modeling program and allows you to. Moxon antenna design calculator antennas i1wqrlinkradio. The moxon rectangle was developed by les moxon, g6xn, as a derivative of the vk2abq square, with further refinements to natural beam dimensions by l. I didnt fancy the standard wire antenna with the cross support poles, i wanted. This is a world wide web front end for a public domain program written by w4vp9kf using php. This type of a 2elementyagi has an unbelievable fbratio on the design frequency. This is a world wide web front end for a public domain. The moxon rectangle is a 2element parasitical beam or unidirectional antenna about 70% the length of a full size 2element yagi of standard driverreflector design. Building the 6 meter moxon antenna kb9vbr antennas. Here we see the software set to design an antenna for 17 meters using 18. This document, illustrate an home made project about a moxon antenna for 7 mhz interely designed, built, and presented by w7xa.

Download moxon rectangle generator generate and print models for 50ohm moxon. My hf roof tower with the five element 10 meter beam can be seen waiting for the antenna to be mounted. Dimensions 4,0 4,0 meter, weight about 2,5 kg, gain 7,5 dbi. The main category is moxon antenna plans that is about links to moxon antenna resources. I built a 2 meter 4 element moxoncell yagi that match the. Links to moxon antenna resources category is a curation of 64 web resources on, the gw3ydx super moxon antenna, moxon rectangles, n2yet moxon projext. Or maybe the link for the moxon software so that i could figure it myself. My first 2 meter moxon was a regular 2 element design, using some leftover. Notice that at angles below 10 degrees above the horizon the moxon has significantly more gain than the enviable 5 element yagi at. Construction of a 20m vertical moxon for use adjacent to. John simpson, kg4zow download source code for this program moxon algorithm and diagram are from awg conversion algorithm from. It takes its name from the amateur radio operator les moxon amateur radio call sign g6xn. Modeling the 40m w6nl moxon 1 april, 2012 modeling the w6nl 40m moxon greg ordy, w8wwv april, 2012 v1. If you want multiband then the hex beam is the one for you.

This beam is a 2elementyagi with radiator and reflector and reduced size to about 75% of a normal beam. No two moxons are identical save the dimensions of the elements and spacings. The moxon antenna or moxon rectangle is a simple and mechanically robust twoelement parasitic array antenna. John simpson, kg4zow download source code for this program. The moxon rectangle was first introduced by les moxon, g6xn during the 1950s. Since then it has been a very popular limited space yagi do to its very. It can also be used as a beam load capacity calculator by using it as a bending stress or shear stress calculator. The 2elementyagi with reflector has normally a 0,2 lambda boom and an impedance of 50 w. Moxon rectangle generator is a tiny and portable application that can generate and print models for 50ohm moxon rectangle antennas, based on the settings you configure. Vk2abq may have been the first to publish a design with his.

T hanks to this site and pete mills in particular i decided to build a moxon to take on our trips to the scottish islands. Moxgen will show you the dimensions and optionally generate an antenna model file for a 50 ohm moxon rectangle antenna, given the design frequency and. Im building the antenna from 716ths inch and 38ths inch tubing. Martin hedman s hemsida 40 meter mini moxon beam antenna at w7xa 3 element moxon dx antennas moxon antenna calculator stlfinder martin hedman s hemsida moxon beam antenna calculator new. I have read when using stranded wire instead of solid core copper the point of resonance may be lower than the calculator indicates. From 2010 to 2014 i used a 15 meter twoelement moxon beam as a temporary antenna for contests. This antenna consists of 2 moxon style rectangles mounted on a boom similar to a yagi antenna. Yagi calculator is a free antenna design and analysis software for windows. Figure 9 moxon pointing straight up on my test stand for initial testing. About moxon rectangle calculator the resource is currently listed in in a single category. We can offer you this antenna in a compleet antenna.

I experienced the same results on my 1st moxon for 15 meter band, i used an insulated wire and the resonant freq. Using this software, you can design and build your own yagi antenna. Learn how to make a moxon beam for your home qth, get some new. The moxon beam by dk7zb, moxon yagi, moxon antenna. Using a moxon calculator with found on line for a frequency of 90 mhz i got the following dimensions. Band 2 3 element moxon antenna detail skywaves dx forum. The moxon beam antenna is the perfect first beam for the new ham. This is defined as the width of the radiation beam where the power is reduced by 3 db half power or half power points.

More expensive and complicated but performance seems better. Mfj 6meter moxon antenna mfjs 6meter moxon for limited space features low swr and a broad cardioid pattern with 5. This software can not only be used to design but also to find. Antenna modeling software and other utility programs by dan maguire, ac6la autoez automated use of eznec. Designing a moxon beam is very easy with a useful little program by d. I started this project after building my first mono band moxon for 15 mtr band. Building the moxon antenna is fairly easy and lends itself to imagination. Moxgen will show you the dimensions and optionally generate an antenna model file for a 50 ohm moxon rectangle antenna, given the design frequency and wire size. The moxon rectangle is a 2element parasitical beam or unidirectional antenna. Moxon background several designs emerged in the 1970s for reduced size beam antennas implemented by folding the elements. The above steel beam span calculator is a versatile structural engineering tool used to calculate the bending moment in an aluminium, wood or steel beam.