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Multiband moxon antenna calculator. Moxon antenna for the 20-meter band.

  • Multiband moxon antenna calculator. FOR 28. Moxon for 70cm The entire antenna therefore forms a rectangle but occupying a space much smaller than a corresponding unbent 2el beam such as the HB9CV: Six Meter Moxon Antenna One fully portable 6m Moxon beam that breaks down into a bag easy carried off and easy to assemble in about ten minutes: Small Rotatable Flag Moxon 3 element: This antenna has a very good F/B and bandwidth. It owes its name to the renowned radio amateur operator Les Moxon (call sign G6XN). Multi-Banding the MOXON Rectangle . Sep 9, 2016 · The Moxon antennas also known as Moxon Rectangles are two elements beam antennas, based on a simple design, similar to Yagi antennas, but with bent elements and without the director. It consists of a driven element and a reflector: A compact 2 element beam for 10M Jan 1, 2024 · How much gain does a Moxon antenna have? A Moxon antenna typically has a gain of around 3-6 dBi, depending on its design and construction. Inches, 2. 6. Multiband Antennas category is a curation of 162 web resources on , The N3UJJ Antenna Project, K0RWU Multiband dipole 6-17 meters, Classic Multiband Dipole. 8 million hits per year, since 2003 it's all about Hams Helping Hams, the underlying theme of the MOXON Antenna Project. It is directional with about the gain of a 2-element Yagi (6 dBi in free space) and has an outstanding front-to-back ratio (greater than 30 dB in free space), with a very broad frontal lobe (-3dB beamwidth = 70 degrees, usable beamwidth = nearly 180 degrees The Moxon antenna was designed by Les Moxon G6XN and is an optimisation of an earlier Australian design for a compact 2el beam. Listed under the Antennas/Moxon category that is about Moxon antenna plans. May 1, 2024 · The advantage of the Moxon over the standard vertical antenna shows clearly in Figure C. This ingenious antenna system traces its roots back to 1909 when it was first conceived by Hans Beggerow for deployment in Zeppelin airships. Building a 2-Meter MOXON . Jan 6, 2015 · Tags: antenna calculator moxon moxon calculator w4/vp9kf. However, it is imperative that you use the proper coax for the highest band of operation, RG58 just won’t cut it and even RG8 in lengths longer than 25 feet is marginal in 440 operation. Antennas/Moxon; Antennas/10M; The title of the main category is 10M and it deals mainly with antenna projects for 10 meters band. They work great. It is basically a 2-element parasitic beam with the tips of the elements folded towards each other to form a rectangle about 30% smaller that the equivalent beam. EZNEC antenna software EZNEC v. This alternative employs 1/8-wavelength stubs somewhat after the fashion of the OptiBeam 40-meter-20-meter combination. The model uses a vertical dipole, but patterns for a monopole with ground-plane radials or a J-pole would be very similar to those for the dipole. You can learn more about Phil's MOXON by clicking here . Although I have written about this design before, questions still pop up regularly. " 40 PRINT "L. Jul 30, 2024 · Your total antenna length (L); Length of one arm of the antenna (l); and; Wavelength, as well as its portions: 1/2, 1/4 (it'll also allow you to use it as a 1/2 wave dipole calculator). Resources listed under Antenna Calculators category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. The Moxon antenna bears the name of its inventor, Les Moxon, G6XN. 70: Enhancing Your Antenna Design Journey; Introducing AN-SOF 8. The Double-D Antenna. a project that describes a build a multiband wire beam antenna a 3 band single feed moxon antenna for 20 15 10 meters . The antenna can be constructed with copper or aluminum tubing or electrical wires with spreaders made of wood, old fishing rods, or PVC pipes. 1. So perhaps a review of the antenna can put a few things into the right perspective. 9 ft) above the ground, fed with 45 meters (147 ft) of RG-213 coaxial cable. Dec 15, 2010 · The antenna is less than 14 meters (45. 225 MHZ is 1. Using Moxon Rectangles for WARC-Band Antennas Part 1: Some 17-12 Meter Ideas Part 2: Some 30-17-12 Meter Ideas. C. Feb 13, 2024 · Loop antenna Half Loop is certainly a familiar antenna to many people. This program takes into consideration wire size, allowing for extremely flexible designs. The Moxon antenna or Moxon rectangle is a simple and mechanically rugged two-element parasitic array, single-frequency antenna. VHF and UHF Moxon antennas are very popular thanks to the easyness of construction and portability, while HF models are very uncommon, but still interesting to Oct 15, 2020 · Compact 7-Element / 3-Band Beam with Moxon element for 10/15/20 m. However , when I raised it on my mast the SWRs measured were: FOR 14. The antenna is the faint rectangle of wires held in tension by the bent X-shaped support frame. Moxon antenna for the 20-meter band. Moving the feedpoint to a low point on vertical Moxon's is a useful proposition for anyone who wants an easier way to route the feedline away from the antenna. 50 MHZ is 1. A moxon is a monoband antenna. Essentially it consists of two metal or wire elements: (1) a driven element with its ends bent back towards the reflector (2) which has its ends bent towards the driven element. Jul 6, 2024 · Antenna Calculator Links → . The MOXON Rectangle: A Review . Les was looking for a compact design for the HF bands when he asked the question: what if I fold in the ends of a dipole antenna to reduce the amount of space an antenna occupies. In this article, we introduce a dual-band antenna design that covers both VHF and UHF bands, accomplished by combining two distinct antenna types: the Moxon antenna for VHF frequencies and the Yagi antenna for UHF frequencies. Notes on the MOXON Rectangle Pattern . (9) Allen Baker "KG4JJH" wrote an article for the May, 2003 issue of QST magazine entitled The Black Widow--A Portable 15 Meter Beam May 9, 2022 · Operating on both the VHF and UHF bands with a single antenna can present a considerable challenge. Calculator antennas Wirelass Find the calculation you want, and enter the various parameters required then click the Calculate: Calculator Seven Element Yagi Information of a particular beam antenna, in this case a seven element Yagi: Calculo de antenas dipolo. Over the next month, Jean-Claude sent many files and designs. Cebik, W4RNL (SK) The Moxon rectangle is a fascinating antenna on several scores. Multiple-band capability reduces the need for multiple antennas. He believed that the two principles would work together and turn a moxon into a multiband antenna with superior performance. Jan 1, 2024 · How much gain does a Moxon antenna have? A Moxon antenna typically has a gain of approximately 3 to 5 dBi, which is slightly higher than a dipole antenna. org Jul 29, 2023 · The Moxon Calculator is a specialized computational tool for amateur radio operators. We can offer you this antenna in a compleet antenna kit For more information send us an e-mail or look on Antenna design calculators category is a curation of 107 web resources on , HB9CV Online Antenna Calculator, RF Toroid Calculator, Parallel Square Conductor Transmission Line Calculator. Marcus Springfeld, DL2GMS, designed this excellent 3 band single feed Moxon antenna. How big is a 20 meter Moxon antenna? A 20-meter Moxon antenna would have approximate dimensions of about 10 meters in width and 2 meters in height, although specific measurements may vary based on design. The calculator is spot on and no SWR adjustments required. Cebik, W4RNL (SK) he design considerations for a multi-band parasitic beam antenna have many applications, ranging from very modest arrays to very long-boom complex antennas. Moxon antenna for the 2-meter band. Jan 1, 2024 · How big is a 20 meter Moxon antenna? A 20 meter Moxon antenna typically has dimensions of approximately 10-11 meters in length and 2-3 meters in width. The tool is named after its inventor, Les Moxon (G6XN). The Moxon Antenna . However, unlike the Optibeam 40-meter antenna, our 17-meter Moxon is not loaded. The program is written by Dan Maguire, AC6LA (visit Dan's excellent website for additional May 7, 2022 · The Moxon antenna is a monoband directional antenna with a wide lobe in the front giving a 2. It's used to design a Moxon Rectangle or a 2-element Yagi-Uda antenna, which can greatly improve both reception and transmission capabilities on the 20-meter band. Notes on the Moxon Rectangle Pattern. FOR 21. Designing Multi-Band Parasitic Beams . Cebik, W4RNL (SK)" 50 INPUT "Enter Desired Frequency in MHz:";F 60 PRINT "Select Units for Wire Diameter in 1. 2. Dimensions 4,0 * 4,0 meter, weight about 2,5 kg, gain 7,5 dBi. com/moxon/moxgen. January 17, 2015. Sorryy the video is a bit long but from past feedback I wanted to include more of t Remember the longer the antenna is the lower in the band it will operate , you can tune a long antenna with an antenna runer but you cannot tune a short antenna . 4 days ago · This is a World Wide Web front end for a public domain program written by W4/VP9KF using PHP. 0. Building a 2-Meter Moxon. Based upon the observed results, this design is one of the best. One for 24 MHz the other 18 MHz using Ali tubes. [1] Feb 13, 2024 · Wow, I couldn't even build a 2 band Moxon, but Ferdy has built a 5 band version. You may need it for high frequencies and thick wires or if your antenna is made out of a tube. A Moxon rectangle antenna for 4m I've heard a couple of stations recently discussing using a Moxon rectangle antenna on 4m: Moxon Antenna Project Basically, a moxon rectangle is a 50 ohm two element wire beam antenna. The only input parameters required are the desired resonant frequency and the diameter of your antenna wire. The Moxon Rectangle on 2 Meters. This beam is a 2-Element-Yagi with radiator and reflector and reduced size to about 75% of a normal beam. There are many multiband Moxons on the site but not too many single feed designes. Jan 29, 2024 · Antenna Moxon Links → . Cebik, W4RNL and previously published on the web. E. Thank you. Generally it is a square or a squared screen and most often it comes in the form of a QUAD antenna radiator: Magnetique 27-28 MHz The critical piece on this type of antenna is always the variable tuning capacitor which is located at the hotspot of the antenna Jul 20, 2024 · Antenna Calculator Links → . multi band moxon yagi antenna for 10 15 20 meters band with just one feed line drawing and project with dimensions. 43 . Although people have tried to make them multiband, they are not. 0:1. Resources listed under Moxon Antenna category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. Jan 1, 2024 · Multi-Band Moxon Antenna Calculator. Remember that the dimensions apply to Moxon rectangles that use the same diameter material throughout. 3. I am Amazed. The Moxon-Beam was introduced by L. In these notes, we shall design a very small beam for 15 and 10 meters, using 2 There is a third alternative for a nested pair of Moxon rectangles--using our designated 17-meter and 12-meter pair. High gain and directivity for improved signal strength and reception. 50 is Coming Soon! We only began looking critically at the tools when the first version of the antenna tuned off the top of the 10m band with a minimum SWR at 30. Jun 11, 2014 · The Moxon Antenna, designed by Les Moxon G6XN (SK), is a compact two element beam antenna with about 5. VK2ABQ as built by ZS1JHG Modeling and understanding small beams (including VK2ABQ) by W4RNL Vertically polarised VK2ABQ for 50 MHz by Moxon Rectangle Generator. Oct 19, 2023 · AN-SOF 9: Taking Antenna Design Further with New Feeder and Tuner Calculators; AN-SOF Antenna Simulation Software - Version 8. Moxon (G6XN) in his book "HF Antennas for all Locations " (RSGB- Publications, Great Britain 1993). 1:1. There are three connection possibilities to feed the multi-band copper cactus antenna with a single feedline or coax. 3 MHz. A Reversible-Direction Vertically Oriented Moxon Rectangle. Compact size compared to traditional Yagi antennas. B. He told me that he had to tweak the elements a lot to get acceptable SWR's on all the bands. Designing MOXON The goal of this website is to share the experiences of MOXON antenna builders everywhere. 90 Release Notes; AN-SOF 8. An Aluminum MOXON Rectangle for 10-Meters . 5-6 dbi of gain and a 25db front to back ratio. cebik. I raised my antenna to around 10 ft for tuning purposes, and measured the swr to be around 2:1 on each of the 3 bands. The angled elements make the antenna much narrower, so it still fits on top of any terraced house. Jean-Claude's idea was to marry a W8JK bi-directional multiband antenna with a moxon design. L. Moxon-C3-type tribander Frequency = 14 MHz. Part 2: A Small 15-10-Meter Design Example . D. 12-19 to 12-24. Aug 26, 2022 · The J-pole antenna, more formally known as the J antenna, serves as a vertical omnidirectional transmitting antenna designed for use in the shortwave frequency bands. John Simpson, KG4ZOW Download source code for this program Moxon algorithm and diagram are from http://www. 160 . Review: Hi Paul I have used your Moxon calculator for 2 antennas. The Moxon antenna, developed by Les Moxon G6XN, is a derivative of the VK2ABQ square antenna developed by Fred Caton. For many decades, this design has been known as one of the most compact directional antennas. " 20 PRINT "All equations correlated to NEC antenna modeling software for wire diameters" 30 PRINT " from 1E-5 to 1E-2 wavelengths. Multi element, multi band moxons have been created, but you must use individual feed lines for each band. Designing Moxon Rectangles by Equation Links to moxon antenna resources category is a curation of 72 web resources on , Dual Band Wire Beam 12 and 17 m, Home made multiband MOXON, GSM1800 Moxon Square Antenna. G8RJQ. Wire Loss: Aluminum -- Resistivity = 4E-08 ohm-m, Rel. Directional Antenna Magic. The critical coupling technique it used was refined by Les Moxon G6XN to produce what we now know as the Moxon. Elevation Plot on 20m. Wire MOXON Rectangles for 40-10 Meters . 250 MHZ is 1. 50: Enhanced Antenna Design & Simulation Software; Get Ready for the Next Level of Antenna Design: AN-SOF 8. Averaging 4. How big is a 20 meter Moxon antenna? A 20-meter Moxon antenna would have a wingspan of approximately 10 meters (33 feet) for the driven elements. Invented by Les Moxon, G6XN, the MOXON is a stealthy gain antenna that's inexpensive and fun to build. Multi-Banding the Moxon Rectangle. The Moxon Rectangle: A Review L. A moxon design has several benefits – due to the folded element the construction becomes very compact, the fron/back ratio is very favourable, and the antenna has a large bandwidth. The Double-D Antenna . Best suggestion is to make the antenna for the lowest operating frequency so that you can operate the entire band you desire . 10 CLS:PRINT "Program to calculate the dimensions of a Moxon Rectangle. (8) G0WSP "Phil" designed and built a multi-band MOXON. 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. 3:1. This program has been derived from a public domain BASIC program written by L. 0 programs function on Windows XP(SP3) and later Windows operating systems, 32 or 64 bit: Folded dipole antenna input impedance calculator If you play with the numbers, and get the input impedance down to 200ohms, you'll need a 4:1 balun to feed it from 50 ohm coax There are three connection possibilities to feed the multi-band copper cactus antenna with a single feedline or coax. What is the difference between a dipole and Moxon antenna? A dipole antenna consists of two straight conductive elements, while a Moxon antenna is a modified dipole with bent or folded elements. The program is based on an algorithm developed by L. The SWR measured on the WARC bands are reasonable too. You may also like 0. Perm. The "3BMOX" is a compact yagi antenna with a moxon element as a radiator. I note this reprint, because the entire volume is a potpourri Basically, the Moxon rectangle is a wire antenna that can be fix-mounted or rotated. Coax Crimp Connectors Strike Again. For a Moxon mounted above the ground, you could have the feedpoint at the bottom corner and drop the feedline down vertically, thereby getting rid of the problem of routing the feedline 3 days ago · Review: Hi Paul I have used your Moxon calculator for 2 antennas. A Double Extended Zepp is a 3 db gain antenna . After this, you can also calculate the adjustment factor (k). The tool we settled on is Fred Cirera’s (W6BSD) excellent Moxon antenna calculator. Proper tuning and construction are essential for optimal performance. For an overview of this antenna see the Cebik article The Moxon Rectangle: A Review. Cebik, W4RNL. Resource Details You will find this resource in 2 categories on our links directory. Online Moxon Calculator: Above is a version of the Moxon dimension calculator that you may use right on this page, thanks to Joe Faber, KG4UHP, who created the JAVAScript and gave me permission to place it here. 20 and 17 are especially tough, because they are so close in frequency. For example, the front-to-back ratio is above 9dB on the 10-meter band. Further Notes on 40-Meter Wire MOXON Rectangles . 0dB gain and the null on the back. Designing MOXON Nov 14, 2022 · The Moxon antenna, or Moxon rectangle, represents a straightforward yet mechanically robust wire antenna meticulously crafted for VHF bands. The MOXON Rectangle on 2 Meters . Get a hexbeam if you want a multiband wirebeam antenna. See full list on antentop. Jun 26, 2023 · In this video I show the steps I took to build a 3 element Moxon antenna. I took a long look at horizontally oriented Moxon Rectangles in "Having a Field Day with the Moxon Rectangle," QST (June, 2000, pages 38-42). Michael ZS1RJQ. However, the least I can say is that the results are well beyond my expectations. It is characterised by a good gain with an excellent front-to-back ratio. Feb 17, 2019 · The antenna became more widely known through Pat Hawker G3VA's Technical Topics column in RadCom. The following model description permits a direct comparison of element length and spacing between the Moxon-ized version of the C3-type antenna and the basic model just examined. html AWG Conversion algorithm from Recently, Allen Baker, KG4JJH (who's Black Widow 15 meter moxon was publish in QST) has completed a dual band 17/12 meter moxon shown above. Moxon-Modifying the C3-Type Tri-Bander. = 1----- WIRES ----- Apr 1, 2024 · Antenna Moxon Links → . He has submitted a write up of the antenna complete with construction notes to QST which was accepted this past July. I hardly ever wait to break a pileup! In conclusion, I would say that this multiband beam is a good compromise for those who have antenna restrictions. The article was reprinted in Simple and Fun Antennas for Hams, pp. Resources listed under Multiband antenna category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. xrxyh yir smfzq jqo vnqmj glzanqpb yrtvpl tfwhjql qsjjd yknqdz