Cubical quad antenna calculator in java script let you calculate elements size and spacing in inch and meters. I am not an antenna design guy, so i cant comment on its usefulness. According to bob heil in his book, heil ham radio handbook, there were articles in qst and cq magazine showing how to build a 10 meter quad. Like a yagiuda antenna yagi, a quad consists of a driven element and one or more parasitic elements.
Dipole antenna calculator software free download dipole. Amateur radio toolkit is the best app for ham radio hobbyists. Quad antenna calculator it gave me the length of the driven element at 27. This calculator requires only the entry of the center of the frequency range your quad antenna will be used in. But a cubical quad antenna is threedimensional, so we do not fulfil and 7 elements in. The cubical quad antenna calculator for citizens band cb radio and amateur radio communications to calculate the spacing between the reflector and driven elements and directors. Click on calculate to display the critical antenna measurements in both inches and centimeters. The characteristic impedance of a loop depends on its shape. However i highly recommend to follow my instructions, which are based on computer antenna simulation software 4nec2, to maximize performance. That is, to put the 10meter modquad on 15 meters, just multiply all dimensions by 29. Quad antenna javascript calculator for cb and amateur radio communications. Licensed amateur radio operator in 1996 as iw5edi, active member of ari firenze and arrl. The amateur radio operator antenna basics handbook calculate up to a seven element quad antenna horizontal stacking of quads will improve the signal strength by at least 3 db hall electronics, inc. This is a world wide web front end for a public domain program written by w4vp9kf using php.
Online antenna analysis and design software free online software to calculate. Uhf quad antenna calculator revisiting rectangular loop. This calculator provides quick estimation of antenna size required for a given gain and frequency. With yagicad it is possible to enter a base design from scratch or use one of a number of saved well known designs. Antenna, ve3sqb ham radio antenna design software programs. This means that the quad compares to a pair of stacked yagis as there is always some loss in the feed arrangements for stacking the two antennas. The biquad antenna is center fed and symmetric about its origin. The ultimate guide to 11 meter cb antennas the length of the driven element at 27. Cubical quad antenna js calculator iw5edi simone hamradio. Amateur vertical antenna calculator this calculator is designed to give the vertical length. This design can then be optimised or scaled to suit particular requirements. Wifi antenna mach 2 version 2 with 25% range biquad cantenna dish wireless booster long range get free internet. This app does nothing more than the standard 468freq mhz type calculations.
Antenna calculator and design software electroschematics. Antenna software antenna design software, 2 element beam, quarter. Antenna is a full featured tool to see whats going on in the sky. Many model ti7140 handheld calculator and the above formulas. It is used by radio amateurs on the hf and vhf amateur bands. Horizontal or vertical polarization of an cubical quad antenna is determined by placement of the feed point feed gap on the driven element parasitic elements need to be mounted in the same orientation as the driven element. The cubical quad beam antenna offers about 2 db over a yagi of a similar length. For a given cylinder radius, use the cylinder2strip utility function to calculate the equivalent width. Quad antenna design has been tested by our team against viruses, spyware, adware, trojan, backdoors and was found to be 100% clean. The default length is chosen for an operating frequency of 2. The following program will calculate the lengths needed to construct several popular wire antennas.
When i built my 2element quad, i used the calculator on the ultimate guide site, and the antenna resonated at the design freq with less than 1 trimming. It has the yagis gain and the quads direct feed and signal capture. Download quad antenna design this application will help you in designing quad antennas. Ok well start with a specification of my present quad 2 element. Jul 22, 2019 quad antenna design download file is only 2 mb in size. The cubical quad antenna calculator for citizens band cb radio and amateur radio communications to calculate the spacing between the reflector and. Msdos antenna maker it allows to quickly calculate dimensions for quads. Top 4 download periodically updates software information of antenna full versions from the publishers, but some information may be slightly outofdate using warez version, crack, warez passwords, patches, serial numbers, registration codes, key generator, pirate key, keymaker or keygen for antenna license key is illegal. The statement often made is a single quad element has 2 db gain over a dipole, and that 2 db gain difference carries over into arrays of quad elements. Antenna design quad antenna design antenna antenna quad design designer. According to bob heil in his book, heil ham radio handbook, there were articles in qst and cq magazine showing how to. Horizontal or vertical polarization of an cubical quadantenna is determined by placement of the feed point feed gap on the driven element parasitic elements need to.
Jul 28, 2017 2 meter antennas for directional, semidirectional, the web site below contains a free download software tool for designing a directional yagi antenna on 2 meters. It should be perpendicular to the shell of the cylinder when mounted in the connector and the connector to the can. Quad antenna javascript calculator for cb and amateur. Even though the publication of the first works dl6wu yagi been more than 30 years, his approach yagi antenna pin xquad antennas wifi umts3g gsm antennas, radio amateur antenna. Lets see some antenna calculator and antenna design software that will help you. Antenna, a free and opensource dvbt terrestrial digital tv tuner for linux desktops. Gorbtrack gorbtrack or geostationary orbit tracker is a freeware. Hence here is the double biquad antenna and biquad antenna calculators for handmade antenna based on average data. Quad antenna javascript calculator for cb and amateur radio. If we look at antenna books and articles about quad antennas, we will often find references to quad antennas having 2 db gain over a comparable boom length yagi antenna. The swiss quad antenna at zs6pp, september 1967 qst rf cafe. Wifi antenna biquad cantenna dish wireless booster long. A quad antenna is a type of directional wire radio antenna used on the hf and vhf bands.
All you need to do is enter the desired resonant center frequency in the form below, then click calculate. This gave the antenna more gain than a simple quad. This quad,fed by 2 coax lines, was able to work both vertical and horizontal. However, if you find this software useful please consider making a. The length from the connector that worked best for me was 1. This design for a swiss quad antenna appeared in the september 1967 edition of qst magazine. Avanti antennas produced a little quad called the pdlii.
Here is a simple antenna calculator for two popular forms of ham radio hf wire antennas. However i highly recommend to follow my instructions, which are based on computer antenna simulation software 4nec2. It could be that the antenna is designed in free space, and you had to mount the elements to a boom to make it. Download quad antenna design assists users in designing quad antennas with an integrated. It uses a single coax line to a homebrew antenna switch. Jul 14, 2014 hence here is the double biquad antenna and biquad antenna calculators for handmade antenna based on average data. Can be interfaced to hfwin32 propagation prediction software. Hook up your cable from the wireless device external antenna port, point the antenna at another device and test the antenna. The application can estimate the antenna frequency and calculates the boom length and the spacing on the spreaders. A fiveelement quad antenna for 2 meters by jim reynante, kd6glfpo box 27856san diego, ca 92198 if your station is located on the fringe of the repeaters coverage area.
You can convert these to other frequencies simply by scaleing all dimensions according to wavelength. The optimum gain of any antenna with parasitic elements varies with the spacing and tuning of the antenna s elements. Download hf dipole calculator 12 wave wire dipole antenna. It was written for dos many years ago and ported to.
Ham radio antenna for ios free download and software. The webmaster does not read the comments regularly. Quad calculator cubical quad antenna calculator in java script. Antenna software free download antenna top 4 download. A very basic program for calculating the length of each leg of a 12 wave wire dipole antenna.
The radio antenna book engineering staff of radio 1936. The optimum gain of any antenna with parasitic elements varies with the spacing and tuning of the antennas elements. Cubical quad antenna javascript calculator for cb and amateur radio communications javascript program by n6ach ron vanvarden thanks to scott mcclements. Antenna calculator calculate your dipole, 3 element yagi etc find the length of a dipole. A fiveelement quad antenna for 2 meters by jim reynante.
When i designed the 2element,i used the calculator on this site. Hf dipole antenna this antenna software will help you design a simple wire dipole antennas for 1 30 mhz. All about cubical quad antennas the famous handbook on quad theory, design, construction and operation addeddate 20180207 17. Also some european machines use a comma instead of the decimal point. I want to build the 4element, get it in the air, and use it without a lot of tweaking and unnecessary bs, and i will probably use the ug figures for the other 2 elements. Cubical quad antenna calculator free online math calculator. Free radio frequency software, antenna design and calculators. It enables you to scan, watch and record television, radio and services broadcasted on. Dipole antenna ham radio antenna good communication calculator wire radios hams workbenches circuits. The fact that the quad antenna is effectively a pair of stacked dipoles, it offers a lower. The ham radio antenna app is a useful calculator for amateur radio enthusiast ham radio. Quad calculator cubical quad antenna calculator in java script let you calculate elements size and spacing in inch and meters. The antenna calculator is a very simple and easy piece of software.
Class 1970, married with two childrens, love experimenting and antenna homebrewing. A fiveelement quad antenna for 2 meters by jim reynante, kd6glfpo box 27856san diego, ca 92198 if your station is located on the fringe of the repeaters coverage area, youve come to the right place. This quad, fed by 2 coax lines, was able to work both vertical and horizontal. It contains many calculators to help you design radios and antennas for all your. In 1947, cubical quads began gaining popularity with amateur radio operators.
A cubical quad antenna is a four sided, square version of a folded dipole. Cubical quad antenna javascript calculator for cb and amateur radio communications javascript program by n6ach ron vanvarden thanks to. Amateur radio toolkit for android free download and. Heres some thoughts on a hardwarestore special 2meter quad, and a modified quad for 2 or 10 meters. Its coinductive secret was that it used a folded dipole to feed the quad. Oct 08, 2016 antenna design freeware 1d and 2d arrays from mei software. The correct lengths for the various models will be displayed in the chart. It calculates using us statute, nautical, and metric units. J pole calculator enter the operating frequency and calculate dimensions of your jpole antenna necwin pro antenna analysis software with the user in mind.
Download quad antenna design softpedia free downloads. Top 4 download periodically updates software information of antenna full versions from the publishers, but some information may be slightly out of date using warez version, crack, warez passwords, patches, serial numbers, registration codes, key generator, pirate key, keymaker or keygen for antenna license key is illegal. One of its touted strong points is not needing spreaders or a boom. The gain of an an antenna with parasitic elements varies with the spacing and tuning of the elements, and thus for any given spacing there is a. Yagicad is a fully integrated analysis and design package primarily intended for vhf yagi aerials. Quad antenna design download file is only 2 mb in size. It could be that the antenna is designed in free space, and you had to mount the. If you have no particular preference within a given ham radio band, then simply enter its center frequency i.