Magnetic loop antenna calculator spreadsheet excel spreadsheet that. An hf amateur radio multiband antenna made from 600 feet of wire in the v formation. Antenna beamwidth calculator online antenna beamwidth. View antenna display, showing the wires making up the model of the fiveelement beam, with currents and 2d slice superimposed to show orientation. The calculation of field intensity levels required by certain immunity standards. This is the four line lcd version, currently using internal calculations to track the moon. This calctown calculator calculates the half power beam width hpbw of a parabolic antenna. The loaded dipole v2 is not as good as a full size antenna but it can be used in limited spaces and even indoors.
Its around 4 shorter than a full sized 20m vertical. Antenna calculator calculate your dipole, 3 element yagi etc find the length of a dipole. If you have no particular preference within a given ham radio band, then simply enter its center frequency i. Simply enter the freqency in megahertz and the script will do the rest. I was also looking for another use for crappie poles in antennas. Wa2whv antenna beam and dipole calculator linkswb6tpu rf and highspeed interconnect site good antenna analysis programs. Here is a simple antenna calculator for two popular forms of ham radio hf wire antennas. Building and experimenting with antennas can be an interesting part of the radio hobby. I do realize that this is not an optimum design, but it did help me to put out a very good signal on 2 meters. Yagi calculator is a windows program that also runs well on linux, ubuntu 8. Page 1 model hf5b butternut presents the model hf5b butterfly compact beam antenna for the 10, 12, 15, 17, and 20 meter amateur bands. An hexagonal beam in 3 hours antenna, ve3sqb ham radio. 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.
We imagine sighting along the boom of our antenna toward the horizon and can just feel the rf hurtling off to graze the horizon, our signals beaming off. Dipole antenna calculator software free download dipole. The antenna is designed to be fed with 50 or 75 ohm coax cable of most any length with a balun. This calculator provides quick estimation of antenna size required for a given gain and frequency. The distance between one point to another adjacent point in a wave is known as the wavelength. Long yagi are commonly used from the 144mhz amateur band to the 2.
This page covers 3 element yagi antenna calculator. Antenna calculator and design software electroschematics. A 440 version with suction cups allowed an apartment dweller to have a beam antenna stuck to his ceiling. 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. The antenna calculator is a very simple and easy piece of software.
This is a range of 35 degrees and signals from the v beam would be down some 7db over this range of angles assuming it was pointing exactly at 28. It is quite possible, that other calculators deliver slightly different results. 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. This antenna really shines above 20m where it has the gain of over the 32. Prepare the antennas boom from two pieces of 34 cpvc plastic plumbing. All you need to do is enter the desired resonant center frequency in the form below, then click calculate. 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 put up my 30 foot high flat top vee beam with a 40 degree aperture. Dec 29, 2015 yagi calculator is a program build to produces dimensions for a dl6wu style long yagi antenna. Plotting antenna polar diagrams using an ibmcompatible computer the k6na 80meter wire beam the n6bv 7580meter quad an introduction to patch antennas easy homebrew remote controls a better kind of automatic antenna tuner broadbanding the elevated, inversefed ground plane antenna the tee pee v 20 and 40 meter antenna a stub directed 80. Bamboo or wood was often used as spreaders in the past, but now days we typically see pvc or even better, fiberglass tubes used as supports spreaders for the wires.
Download the ground planedipoleinverted v calculator by n2imf. 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. Quad antenna javascript calculator for cb and amateur radio. Updated dons 2 meter extreme dream beam antenna duration. Default sort product line az product line za new arrivals.
Some are based on lookup tables, some completely hide their algorithms. Several other items, such as currents and wire numbers, can be. Online calculator hb9cv antenna calculator changpuak. Pdf a closely spaced, folded yagi antenna design is proposed for. Here we have collected some links to building instructions for 11m antennas on the internet.
Free online engineering calculator to find the dimensions of a yagi uda antenna for a given frequency range and length. Jul 11, 2019 the shack end of the vk5dj beam controller system. Long yagis are commonly used from the 144mhz amateur band to the 2. Following formula is used for this radar antenna beamwidth calculator. The only part that i had to order was the edge trim from mcmastercarr. Lets see some antenna calculator and antenna design software that will help you design faster and better. Using this software, you can design and build your own yagi antenna. Quad antenna javascript calculator for cb and amateur. The maximum front to back ratio seldom, if ever occurs at the same condition that gives maximum forward gain. A simple seven element yagi antenna below is a javascript that i wrote in order for you to quickly calculate the dimensions for a seven element yagiuda antenna. 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.
This software can not only be used to design but also to find out antenna gain, stacking distance, and standing wave ratio swr. 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. You can return any new or unused item within 10 days of the date your item was shipped and we will refund the full purchase price. The model 3403 is a shorter version of the antenna that covers 3. I said someday and that someday is here,now that i have the space.
Wa2whv amateur radio, beam antenna and dipole calculator. The calculators for other antenna types such as parabolic,horn,dipole and patch are also mentioned. The layout of the antenna and a radiation pattern of an unterminated vee beam. Yagi calculator is a program to assist with the design of long yagi antennas. V beam antenna design august 6, 2017 by arfan leave a comment 16 satsoft reference manu hflink ale antennas selcall automatic link antennas dg7ybn antennas dipole and inverted v vee design calculator. This sketch shows a semiexploded view of the antenna.
Radar beamwidth formula radar beamwidth calculator. Can be interfaced to hfwin32 propagation prediction software. To cover all of europe from san fransisco, an antenna must cover from about 11 degrees moscow to about 46 degrees portugal. 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. 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. I also got descriptions as to how they were put together, how they performed etc. Radar antenna beamwidth calculator radar beamwidth formula. Horizontal loop, vee beam, hustler vertical and cubex quad antennas.
This is a four wavelengthperleg 40meter v beam antenna. As such, we can model it by removing the outer half of a rhombic. Over parts from more than 120 trusted brands, more parts added all the time. All you need is two rabbit ear antennas from radio shack, two catv baluns, four feet of 34 cpvc pipe with one tee, and a bit of time. 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. 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. Made out of coax, it matches closely to 50 ohms and can be set up horizontally or in an inverted v.
The following program will calculate the lengths needed to construct several popular wire antennas. The correct lengths for the various models will be displayed in the chart. Good lowangle radiation is obtained when a horizontal antenna has a one wavelength height above ground. The vee beam antenna wire antenna calculator hflink ale antennas selcall automatic link hflink ale antennas selcall automatic link mq 1. The tentec model 3402 broadband terminated vee beam antenna offers continuous coverage between 1.
I have seen other v beam ideas and this one is real simple. The formula and basics of yagi antenna calculator are also explained with example. A long wire 1l long placed 1l high shows a fronttoback ratio of about 3 db, thus 0. A wire beam is a type of yagi antenna using 2 or more wire elements. Mar 27, 2016 dimensions of a 50 ohm feed 4 element yagi for 144 mhz. Below is a calculation tool to help determining the actual field intensity or power density in v m at a given distance with a known antenna gain. The prototype had screws in the end of the elements for adjusting but at 2 meters, 14 inch changes did not affect performance. An application designed to generate data for the construction of long yagi antennas for vhf and uhf use. Using open wire feed, minimum 4 ft longer is ok, but remember it is a part of the antenna at frequencies under 21 mhz, will give an easy match from 14 mhz and up.
Additionally, a moxon or a 2 element yagi is not a multiband antenna. An hexagonal beam in 3 hours over the last few years, i have heard guys using hexbeam antennas. Free online engineering calculator to quickly find the dimensions of a hb9cv antenna. Antenna, ve3sqb ham radio antenna design software programs.
Yagi calculator is a program build to produces dimensions for a dl6wu style long yagi antenna. Im doing this because my mentor in the late 50s had a v beam and it was magic. Jun 02, 2012 the hoa deal w the vee beam, its a 30. The v beam antenna is the first part of a rhombic antenna. To quote the antenna book for a 2wavelength leg v beam. 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. Pdf design of a closely spaced, folded yagi antenna. The cubical quad antenna calculator for citizens band cb radio and amateur radio communications to calculate the spacing between the reflector and. The dl6wu yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern. Enter the resonant frequency for the dipolevee antenna calculation.
Dipole calculator, hf wire dipole antenna calculator for amateur. Beam antenna height versus dx signal arrival angle gary wescom n0gw 12908 it is probably universal for us to imagine the great dx we will be able to talk to with our first beam antenna. It is inversely proportional to the frequency which means the wave with higher frequency will have shorter wavelength. If each end is connected to earth through a 600 ohm non inductive resistor, the antenna is called a terminated vee beam. This is an unterminated vee beam which can be used as a.
It is very broadband for a dipole and makes a great field day antenna. This calculator will help you to calculate the different wavelength of antennas based on the frequency. The yagiuda antenna is the most recognized antenna. Portabletemporary antennas 2 element yagi for 20m or. Yagi calculator is a free antenna design and analysis software for windows. For some applications, however, it is desirable to reduce this. Hf dipole antenna this antenna software will help you design a simple wire dipole antennas for 1 30 mhz. Its over 90% efficient and it approaches 100% efficiency as you go up the band closer to 10m. 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.
Ve3sqb antenna programs for advanced quads, dipole,skyhopper, discones and more. Simple gain antenna for the beginner qst august 1981, pp. Some basic antenna information for the newcomer about yagi antennas including a tutorial on antenna gain and construction of a 15meter beam antenna. Below is a javascript that i wrote in order for you to quickly calculate the dimensions for a seven element yagiuda antenna. Dipole and inverted v antenna calculator for amateur radio communications. As this antenna was new to me, i got a few of these stations to rotate their beams so i could see the fronttoback ratio. During the computer modelling and experimental work i carried out to develop the broadband hexbeam described elsewhere on this web site, it became evident that this antenna is just one of a large family of antennas which share a common structure and which can be multibanded using construction techniques similar to.
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