Antenna maker antenna design program for quads, yagis, inverted vees, jpoles, trap dipoles and more. A javascript to calculate the dimensions for a seven element yagiuda antenna. I will try the twin lead next perhaps, maybe purchase a bag of the 12awg thhn black plastic clips at the belton hamfest coming up this fall. Good lowangle radiation is obtained when a horizontal antenna has a one wavelength height above ground. Three elements inverted vwirebeam antenna for 40 meters band. Jul 11, 2019 the shack end of the vk5dj beam controller system. Eznec antenna analysis nec2 based antenna analysis software for the amateur. Following formula is used for this radar antenna beamwidth calculator. It is very broadband for a dipole and makes a great field day antenna. Here is a simple antenna calculator for two popular forms of ham radio hf wire antennas. This is a four wavelengthperleg 40meter v beam antenna. Dipole and inverted v antenna basics 101520m trap vertical antenna dave tadlock helps you build a home brew trapped vertical inverted v calculator thanks to k7mem martin e. The model 3403 is a shorter version of the antenna that covers 3. Asap a free general purpose antenna analysis useroriented software program for numerical electromagnetic antenna design, antenna modeling and antenna analysis.
Yagi calculator is a windows program that also runs well on linux, ubuntu 8. Discone antenna design discone antenna design program by k5dkz. Rhombic antennas v beam and inverted antennas rhombic antennas v beam and inverted ken s electronics whole retail electronic parts antenna calculator and design rhombic antennas v beam and invertedmake. Antenna design calculators category is a curation of 83 web resources on, parallel square conductor transmission line calculator, analysis of antenna mast strength and bending stress, full wave loop antenna calculator. This is a collection of valuable antenna design calculators including quad design for a quad beam, antcalc for common antenna types, inductor calculator and a r esonance calculator for calculating the resonance of a tuned lc circuit or trap.
The classic sloper antenna is a topfed 14 wave vertical antenna sloping down and away from a tower. Made out of coax, it matches closely to 50 ohms and can be set up horizontally or in an inverted v. 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. The yagi plays the role of a ground plane, while the tower plays the double role of reflector and grounding rod.
It is quite possible, that other calculators deliver slightly different results. The loaded dipole v2 is not as good as a full size antenna but it can be used in limited spaces and even indoors. Free online engineering calculator to find the dimensions of a yagi uda antenna for a given frequency range and length. Pdf optimal design of yagiudi antenna for vhf band. This calculator is designed to give the critical information of a particular beam antenna, in this case a three element yagi, for the frequency chosen. Yagi uda antenna calculator you may want to combine it with a folded dipole. If you have no particular preference within a given ham radio band, then simply enter its center frequency i. Jun 02, 2012 the hoa deal w the vee beam, its a 30. A rotatable dipole the simplest method of taking advantage of an antennas directive characteristics is to rotate it.
The tentec model 3402 broadband terminated vee beam antenna offers continuous coverage between 1. Radar antenna beamwidth calculator radar beamwidth formula. 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. Antenna calcpack is the latest offering from mogpie. Online and downloadable dipole, inverted v and ground plane calculators. Can be interfaced to hfwin32 propagation prediction software. Additional loss due to swr is in quotes for a reason. The short vee beam described in the book has a reasonable omnidirectional pattern with a maximum directivity in a line that bisects the angle between the legs. Opens a new window displaying the image of the antenna file. Antenna calculator calculate your dipole, 3 element yagi etc find the length of a dipole. Enter the desired frequency then click on calculate and the optimum values for that combination will be displayed in feet, inches and fractions of inches, and in meters. Calculate safety distance from your antenna icnirp is a calculator software that. Some basic antenna information for the newcomer about yagi antennas including a tutorial on antenna gain and construction of a 15meter beam antenna. This calculator provides quick estimation of antenna size required for a given gain and frequency.
Im doing this because my mentor in the late 50s had a v beam and it was magic. To assist software writers i have created a dll that will work with delphi and c compilers under windows and linux to do all the moon calculations for amateurs. The yagiuda antenna is the most recognized antenna. Horizontal loop, vee beam, hustler vertical and cubex quad antennas. Small beam antenna maco yquad dual polarity quality that lasts. An hf amateur radio multiband antenna made from 600 feet of wire in the v formation.
Enter the resonant frequency for the dipolevee antenna calculation. Antenna calculator and design software electroschematics. Enter the desired frequency then click on calculate and the optimum values for that combination will be displayed in feet, inches and fractions of. What is the best software used for antenna design and. Being located in ireland for the holidays my wife is. Ads software is good for cases when you want to simulate and characterize your antenna design in companion whit other microwave components for example an antenna which is. The formula and basics of yagi antenna calculator are also explained with example. Yagio is similar to lpcad, it uses keyboard commands instead of a mouse menu. Antenna design freeware 1d and 2d arrays from mei software.
One can quickly see the advantage of using a beam antenna. Msdos antenna maker it allows to quickly calculate dimensions for quads antennas, yagi antenna, inverted vees antennas as well as jpoles and traps to. This software can not only be used to design but also to find out antenna gain, stacking distance, and standing wave ratio swr. An excel xl workbook to calculate antenna gaintemperature ratio gta, average gain, directivity, and other metrics by using 3d pattern data from eznec, autoez, 4nec2, a. Bending moment diagram bmd shear force diagram sfd axial force diagram. View antenna display, showing the wires making up the model of the fiveelement beam, with currents and 2d slice superimposed to show orientation. This page covers 3 element yagi antenna calculator. The design and simulation is done using simulation software know as antenna. Building and experimenting with antennas can be an interesting part of the radio hobby. Dipole antenna calculator software free download dipole. Invert diagram of moment bmd moment is positive, when tension at the bottom of the beam. The v beam antenna is the first part of a rhombic antenna. Antenna software at large collection of radio related software at web site antenna solver provides much greater flexibility in the construction, analysis, and interpretation of radiating structures using a rewritten nec module. 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.
The simplest antenna for this purpose is a rotatable dipole. I put up my 30 foot high flat top vee beam with a 40 degree aperture. Antenna, ve3sqb ham radio antenna design software programs. Wa2whv amateur radio, beam antenna and dipole calculator. Simple gain antenna for the beginner qst august 1981, pp. Using this software, you can design and build your own yagi antenna.
Yagio runs under windows 2000, xp, vista, win 7 and likely win 8. Wa2whv antenna beam and dipole calculator linkswb6tpu rf and highspeed interconnect site good antenna analysis programs. This calctown calculator calculates the half power beam width hpbw of a parabolic antenna. This is the four line lcd version, currently using internal calculations to track the moon. The slopers feed point is anchored high above ground near the top of the tower on which sits a grounded hf yagi beam antenna. The design of the yagi uda antenna for the vhf band has been presented. I was surprised how this antenna performed well and i succeed to score 39 world on 602 participants during the iaru hf 2008. Yagi calculator is a free antenna design and analysis software for windows. The angular width of the beam radiated by highgain antennas is measured by the halfpower beam width hpbw, which is the angular separation between the points on the antenna radiation pattern at which the power drops to onehalf 3 db its maximum value. As such, we can model it by removing the outer half of a rhombic. Radar beamwidth formula radar beamwidth calculator. This software can not only be used to design but also to find out antenna gain, stacking distance, and standing wave ratio swr to design the antenna, you need to go to task design yagi menu. The maximum front to back ratio seldom, if ever occurs at the. Antenna beamwidth calculator online antenna beamwidth.
Aug 14, 2015 maco 107 beam antenna installation part 1 duration. The dl6wu yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern. In this menu, you need to submit values of multiple. This antenna really shines above 20m where it has the gain of over the 32. These antennas are considered to be short vee beams if at. Maco 107 beam antenna installation part 1 duration. Some are based on lookup tables, some completely hide their algorithms. Yagi calculator is a program to assist with the design of long yagi antennas. This calculator is designed to give the critical information of a particular beam antenna, in this case a seven element yagi, for the frequency chosen.
I like the eznec program since i have used w7els programs since the early 80s. Hf dipole antenna this antenna software will help you design a simple wire dipole antennas for 1 30 mhz. One month later, i decided to improve my antenna park and started to build a long reversible inverted v wire beam on 20meter band. Leo builds a dipole zepp antenna theory windom antenna theory 4080 meter inverted v dipole antenna. Here we have collected some links to building instructions for 11m antennas on the internet. Beam calculator online calculate the reactions, draws. I said someday and that someday is here,now that i have the space. The gain of an antenna with parasitic elements varies with the spacing and tuning of the elements, and thus for any given spacing there is a tuning condition that will give maximum gain this spacing. The calculators for other antenna types such as parabolic,horn,dipole and patch are also mentioned. Long yagis are commonly used from the 144mhz amateur band to the 2. Quad antenna javascript calculator for cb and amateur. Autoez can take full advantage of all the features in eznec v. Emmcap software for modeling of arbitrarily shaped wire structures and the computation of their electromagnetic behavior, including radiation and scattering problems. Otherwise, it would be very difficult to design a yagi or loop antennas if all of.
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