Antenna efficiency calculator antenna efficiency calculator, parabola antenna antenna eirp calculator enter power, antenna type, frequency, coax type, coax lenght, press for eirp antenna gain vs height this calculator computes the gain and elevation angles for various antennas that are mounted over a perfect or lossy ground. For an antenna that is used on the horizon, one single long yagi serves as an excellent eme antenna. The 6mf six meter ham band magnetic loop was initially conceived as a learning tool for those who may be interested in building a bigger hf band magnetic loop but wanted to understand the mechanics and basic theory first. Free online engineering calculator to find the dimensions of a yagi uda antenna for a given frequency range and length. Antenna calculator calculate your dipole, 3 element yagi etc find the length of a dipole. Software modeling of the moxon antenna shows that it has about 6dbi of gain and about a 25db front to back ratio. This calculator enables you to test the design of an octagonal loop antenna and to answer what if questions until you arrive at a design that meets your needs without a lot of experience in electronics. Antenna, ve3sqb ham radio antenna design software programs. The formula and basics of yagi antenna calculator are also explained with example. Lets see some antenna calculator and antenna design software that will help you design faster and better. This gave the antenna more gain than a simple quad. The loops of folded antenna have been replaced by v shaped elements without any changes and easier matching. Rf homebrewing a 6 meter yagi by zack lau, w1vt six meters is a great band for home built yagis. This formula to obtain the length of a halfwave dipole antenna will give a good ballpark value to start with.
This page covers 3 element yagi antenna calculator. The log periodic antenna is the ultimate broadband beam. Program good for 1 500 mhz, although intended for mf hf. This calculator enables you to test the design of an octagonal loop antenna and to answer what if questions until you arrive at a design that meets. So after building the antenna, i first attached that radio to the squalo to see if its doing something. The list will grow with your help so lets start and share the knowledge. Through these software, you can design various types of antennas like yagi, jpole, parabolic, quagi, super scanner, etc. The results are conveniently displayed in inches, centimeters, feet and meters.
Coinductive and pdlii are trademarks and this antenna is most certainly covered by patents. Yagi calculator is a windows program that also runs well on linux, ubuntu 8. This calculator is designed to give the horizontal length of a particular dipole including tees antenna, or one side of it, for the frequency chosen. If you have no particular preference within a given ham radio band, then simply enter its center frequency i. Tt takes operating frequencyghz and diameter as inputs. Antenna calculator software free download antenna calculator top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. This 6 meter 6 element ssb yagi was designed and optimized for best feed match using. I first saw such kinds of articles on japanese cq magazine or japanese ham journal no.
Each antenna design software is slightly different from each other as each software design some specific types of antenna. All parts used for the construction of the dipole can be used to construct the half square, so there is. Long yagis are commonly used from the 144mhz amateur band to the 2. Raymond jackson kb9col is showing how to build your own 6 meter plus antenna. For an overview of this antenna see the cebik article the moxon rectangle. However, since most dx on 6m is horizontally polarized, he needed a horizontal antenna. A useful microwave antenna calculator the antenna calculator is a very simple and easy piece of software. Calculate safety distance from your antenna icnirp is a calculator software that allows you to determ safety distances for many know amateur radio antennas. Conditions affecting 6m moonbounce 6m is perhaps the worst and most unreliable band for eme, because of all the things that can adversely affect the propagation at 50 mhz. Here is a list of best free antenna design software for windows. On hf the size and element diameters are usually a drawback. This cable is readily available, easy to install, and will perform well for rooftop runs of up to 60 or 70 feet at 50 mhz. Ke4pt off center end fed dipole 6m 40m intended use for apartment dwellers and mobile deployment. J pole calculator just enter the frequency and get the measurements you need.
This calculator is designed to give the vertical length height of a particular antenna, for the frequency and wavelength chosen. Works either in standard and metric units, and let you choose on material, and loop. Courtesy of and designed by n2imf joseph r mielko this downloadable calculator will provide you with good starting measurements for a basic ground plane, inverted v or standard dipole antenna. A simple, compact and effective antenna for 50 mhz. The most common material for home building small ham radio loop antennas is common copper plumbing pipe. The hf version is my program taken from research done by w3gnr who must have spent. Please post a comment if you know other great software or links with information about antenna calculator and design programs. The elements are reasonably small, but not so small that building tolerances are critical. Parabolic antenna calculator parabolic dish antenna calculator. But when i use wsjtx i cant set the frequency on 6 meter or higher. The calculators for other antenna types such as parabolic,horn,dipole and patch are also mentioned. Ss stands for starter series and we have one or two for each band. Free online engineering calculator to find the dimensions of a logarithmic periodic dipole antenna for a given frequency range and length.
The antenna is designed to be fed with 50 or 75 ohm coax cable of most any length with a balun. Dipole antenna calculator software free download dipole. Jun 03, 2018 the antenna is always flat, and it handles high winds and treebranch hits with ease. Antenna design calculators category is a curation of 83 web resources on, magnetic loop excel sheet, parallel square conductor transmission line calculator, analysis of antenna mast strength and bending stress. There are a variety of applications and online calculators that will make easy work of breaking down the formula into the dimensions necessary for your antenna.
All you need to do is enter the desired resonant center frequency in the form below, then click calculate. Be prepared and able to communicate in case of emergency with the largest selection at. The gain,half power beamwidth and effective aperture are calculated by parabolic antenna calculator. This calculator provides quick estimation of antenna size. The first online dipole and inverted v calculator on the page below has been around for many years and is designed as a simple shortcut so you will not have to do the math using the standard formulas for designing a horizontal dipole or inverted v dipole. Squalo antenna for 6m ernest neijenhuis pa3hcm homepage. When the elements of antenna are close to, or pass through a conductive substance, these electrical length would change. 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. This is a world wide web front end for a public domain program written by w4vp9kf using php.
Design and adjustement is easy, as with the capacitor you can tune the resonance by some mhz with no effort. For each fd above, the radiation pattern file was then imported into the antenna noise temperature calculator software. Antenna calculator for hf antennas ham radio secrets. The homebrew 6 meter halo antenna was secured with a ubolt atop a 10 foot 3 m length of 1 2. The measurements below are for building a simple dipole antenna. On vhf you can easily design a single feed 2 and 6 meter antenna. Assuming reasonable side lobes, fr and good vswr bandwidth, gain is the most critical parameter on 6m.
This calculator can be used to design a quarter wave ground plane antenna, with radials. Yagi antenna design program by wa7rai called quick yagi qy4 this 6 meter 6 element ssb yagi was designed and optimized for best feed match using 50. Tablebased editor for antenna design and definition. How to build a 6 meter plus antenna raymond jackson.
With this antenna, you can experiment and learn, while making many contacts. This normally comes in 12foot lengths, and may be purchased from aluminum prod ucts supply houses, such as metal and figure i. The antenna is always flat, and it handles high winds and treebranch hits with ease. This antenna was built in about an hour after using k6stis ao simulation software to design it. Software projects include a remote program to interface to the beam controller. The dl6wu yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern.
This program has been derived from a public domain basic program written by l. A very basic program for calculating the length of each leg of a 12 wave wire dipole antenna. This page of converters and calculators section covers parabolic antenna calculator. Feeding the antenna can be done at the director or at the reflector.
There was an italian 6m contest, and i heard lots of stations. Oct 17, 2015 6 meter halo antenna design posted on october 17, 2015 posted in antenna, articles 1 comment this halo antenna by kb1diga is made with a true gamma section this time and is fashioned from aluminum. Antenna design information and software directory smeter. This dipole antenna gives the same gain as all other dipoles, however, the half square is a much better dx antenna for a given elevation and may be worth the extra effort. This app does nothing more than the standard 468freq mhz type calculations. As the late spring and summer months heat up, six meters comes alive. Dec 29, 2015 a very basic program for calculating the length of each leg of a 12 wave wire dipole antenna. Download the ground plane dipoleinverted v calculator by n2imf. Vk5dj projects for beam antenna pointing, yagi construction, repeater controller plus other picc experiments. Known as the magic band, the six meter band can be mysterious, unpredictable, and downright fun. If you are just thinking youd like to try 6m to see if you like it, we have the 6m3ss. This page is broken ive assigned my best minions to fix it up kb3kai. Yagio runs under windows 2000, xp, vista, win 7 and likely win 8.
Very low side lobes and fr on this band produce no specific improvement in gt based on pure sky noise and ground noise. The antenna was then taken to a hilltop near rainier, oregon cn86 where it was deployed on a. Some folks use the 6m ho loop for a spotter antenna cuz you never know where the band will open next. Hb9cv calculator online calculator for making a hb9cv antenna. Download hf dipole calculator 12 wave wire dipole antenna. Parabolic antenna calculator parabolic dish antenna. Give your signal extra punch on amateur radios magic band. See the typical household antenna brands diamond, comet have good products. Feb 18, 2020 have a tyt9800 rig fm 2m, 440, 6m and 10m. Building the 6 meter moxon antenna kb9vbr jpole antennas. Dipole, inverted v and ground plane antenna calculators. It can provide high gain on a single band or moderate gain on multiple bands.
You never quite know when the band will open and where it will take you. The dl6wu yagi is highly regarded as being easy to build with repeatable results. Exactly this is the design principle of the dk7zbyagis. The antenna calculator above uses this formula as a starting point to calculate wire lengths for the dipole. The coplanar loop fed array lfa yagiuda design from g0ksc provides an excellent design foundation for an all copper version of a 3 element 6m balunless beam with superior front to back performance. G0ksc home of the lfa yagi free yagi antenna designs for. Shown are comparisons between model simulations and prototype measurements. Yagi antenna design program by wa7rai called quick yagi qy4. Antenna calculators antenna plans antenna designs construction antenna how to videos antenna manufacturers. A quick switch to the ho loos saves wear on the rotor. Yagio is similar to lpcad, it uses keyboard commands instead of a mouse menu. For longer runs, use an ultra low loss cable, such as belden 99, to reach the antenna site, then use rg8x up the tv mast and around the rotor. Use in house with mag mount on small refrigerator placed by window on 2nd floor.
This software calculates antenna noise tant and gtant vs elevation angle. Cable corporation in twinsburg, ohio ham radio above 50 mhz june1996 cq vhf 25. Apr 27, 2011 i dont have any equipment for 6m, except a small handy kenwood thf7 which is capable to receive 6m usb. With careful construction and detailed instructions, it is certainly feasible to build notune yagis up to 432 mhz, but i have my doubts about 903 yagis. Table based editor for antenna design and definition.
A good example is the 14wave monopole groundplane, which is very popular on lowband because of lightning protection. The following program will calculate the lengths needed to construct several popular wire antennas. There are usually four radials, three being a minimum, but you could use up to six. The antenna which a computer was used for optimizing its performance can be seen so often in these days. This does not take into consideration the type or size of horizontal reflectors, of even if there is a need for them. A 6 meter vertical antenna must have at least 18 feet of active antenna to have 3 db gain over a 12wave dipole, and even then it might not be at the horizon, or may have coil losses, etc. The 6m band is his most popular one, since he get best results on this band. A good example to experiment with is the mmanagal vhf 6m beam model 6el yagi. Hf dipole antenna this antenna software will help you design a simple wire dipole. This program has been derived from a public domain basic program written by. A quarterwavelength antenna is easy and inexpensive to build and can be an effective antenna with a low angle of radiation that is, power is radiated out, not up. This design, pioneered by justin johnson, g0ksc, claims lower noise and. The program is based on an algorithm developed by l.
The 1gallon jugs are the counterweights used to tension the antenna. Enter the desired frequency and select the desired calculation from the drop box. The formula for calculating the approximate length of a quarterwave vertical antenna is. The older quick yagi program was used in its design. Effective jan 2016 i will be changing web hosting providers and as such a complete redesign of my website using a content management systemcms to better design and host the site. Use this online calculator to simulate, test, and answer whatif questions about small, magnetic loop antennas until you arrive at a design that meets your.
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