Let this app do all the hard calculations for you at the touch of a button. Please post a comment if you know other great software or links with information about antenna calculator and design programs. Hentenna japanese antenna vertically polarized hentenna for the 6m band. St25 nfc rfid software stmicroelectronics categories. Hi, i needed a quick and dirty 6 meter antenna for portable and field day.
While browsing through my new copy of simple and fun antennas for hams one day in the spring of 2003, i discovered an. Hentenna projets category is a curation of 8 web resources on, hentenna, forktenna, dk7zb hentenna. Hentenna realizzazione di una versione per le uhf, iz0hcc. Program good for 1 500 mhz, although intended for mf hf useage. The hentenna asymmetric size combinations are lambda by 2, lambda by 6 rectangle and feed point is lambda by 10 approximately. The basic source code of the computation engine is published as a pds in mininec. Btw here is a bug in your ear, a hentenna should be able to be used to replace driven elements on two stacked 6m beams one above the other mounted horizontally, with the short sides of the hentenna located where the driven elements were. I like to use the basic dl6wu wideband yagi designs whenever possible. Antenna calculator free antenna calculator software download. It was written for dos many years ago and ported to windows. This app does nothing more than the standard 468freq mhz type calculations. Hentenna means strange antenna developed by the japanese for 6 meters easy to build 1. Follow some antenna 3d pattern obtained with this great and totally free antenna simulator. K7mems online yagi design tool design your own 3g yagi using this simple online tool.
This link is listed in our web site directory since wednesday oct 2004, and till today eh antenna calculator has been followed for a total of 19774 times. Having been a ham for 27 years and knowing that the most important part of any station is the antenna, i have built, designed, and redesigned antennas for over two decades. Mike furrey wa5pok4 april 17, 2014 brandon amateur radio. Yagi calculator is a windows program that also runs well on linux, ubuntu 8. So decided to obtain the needed formulas, and make this calculator software. Enter the length of the antenna conductor, which is the distance around the loop. Choose the units of measurement, english or metric. Mmanagal free antenna design and modelling software. However i highly recommend to follow my instructions, which are based on computer antenna simulation software 4nec2, to maximize performance. Yagi uda antenna calculator you may want to combine it with a folded dipole. It has the yagis gain and the quads direct feed and signal capture. The 4 element hentenna beam for 2 meters by n5nns having been a ham for 27 years and knowing that the most important part of any station is the antenna, i have built, designed, and redesigned antennas for over two decades. Download hf dipole calculator 12 wave wire dipole antenna. This formula to obtain the length of a halfwave dipole antenna will give a good ballpark value to start with.
Finally they got new antenna with good performance, however, it was difficult to explain why the performance is so good, or how it work basically at that time, besides there are many unusual properties. The antenna is designed to be fed with 50 or 75 ohm coax cable of most any length with a balun. Antenna calculator for hf antennas ham radio secrets. I did a amateur radio search for hentenna and got not one hit. Antenna traps category is a curation of 24 web resources on, tuning antenna traps, bootstrap coax traps for antennas, low loss wire traps.
The conductor width isnt of great importance in the design. The basic function of the hentenna structure is the 1,5 0. This does not take into consideration the type or size of horizontal reflectors, of even if there is a need for them. Because of constrained resources, amateur radio logperiodic antennas often are limited to values of. Antenna calculator for ios free download and software. This antenna is not an omni and it is a bidirectional type. Verticals covers all the common types with a coil calculator built in for the antennas that require them. The results are conveniently displayed in inches, centimeters, feet and meters. Antenna calculator software free download antenna calculator top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. All copper pipe hentenna version for 2 meters edited from an article by terry, wa0itp the hentenna is a loop style antenna developed by mr. Works either in standard and metric units, and let you choose on material, and loopread more. As we are dealing with an integer number of elements. Having seen the performance of the 15 meter hentenna i built, i knew i wanted one for the 20 meter band.
The original hentenna as a special kind of a single loop was described first in the 1970ies by japanese hams, an english article by jf6deake1eo about the antenna the hentenna the. Calculator antenna duplex feed lines fiberglass tubing phased array projects homebrew software antenna software defined radio swr meter system of grounding theory traps tower. This freeware program was written to help you design solar collector or wifi projects using parabolic reflectors. Hentenna far field pattern 2m band in free space picture 10. The other antenna was made by antenna specialist who are still in business and may still produce the super scanner. Each antenna design software is slightly different from each other as each software design some specific types of antenna. Rectangle loop that provides 34 db gain over a dipole easily fed with 50. The coax jumpers made the other 2 unactive elements. The swr can be changed by changing the height of wire 1 in the loop. All of mine have been made using a wooden frame with dowels to support the wire following the pattern of the antenna 2 vertical pieces and three horizontal at the feed point you can either direct feed the coax straight to the antenna or install an appropriate connector to connect your feeder i prefer direct feed with lots of. About eh antenna calculator the resource is currently listed in in 3 categories.
Introduction of hentenna antenna, ve3sqb ham radio. Enter the desired frequency and select the desired calculation from the drop box. Magnetic loops from the experts dj3tz n5izu py1ahd. Dipole antenna calculator software antenna design calculator v.
Antenna is an electrical device used to convert electrical power in to radio waves and vice versa. Introduction useful software has to work exactly as someone wants, so the authors group decided to develop its own minisuite of software tools for antenna applications 1. The word hen means strange in japanese, so a hentenna means a strange antenna. The freespace directivity of a logperiodic dipole array lpda is a function of its taper.
Free online engineering calculator to find the dimensions of a yagi uda antenna for a given frequency range and length. Lets see some antenna calculator and antenna design software that will help you design faster and better. If you have no particular preference within a given ham radio band, then simply enter its center frequency i. St provides a wide range of software for evaluation and development of our rfid and dualinterface eeprom memories.
The centre support mast is a 6 meter long collapsable squid pole. By using relays, a single feed line could be switched to 1 of 3 elements or to all for an omni position. The antenna calculator above uses this formula as a starting point to calculate wire lengths for the dipole. Antenna calculator is an app that takes the trouble out of calculating antenna lengths. Calculator fm frequency modulated antenna to bring in the stations loud and clear. These antennas were made with this process, and tested on this backyard antenna range. This project started in the middle of 90s, when the pc with. This method of construction can be used on most uhf through low microwave yagis, and is especially useful for the 33, 23 and cm bands. Free software download page for antenna web design studio. The dl6wu yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern. The te11 cutoff frequency should be lower than 2412 mhz and the tm01 cutoff should be higher than 2462 mhz. Here is a list of best free antenna design software for windows. Transmitters provide oscillating electrical energy on to the antenna which radiates them as electromagnetic waves. Through these software, you can design various types of antennas like yagi, jpole, parabolic, quagi, super scanner, etc.
Only the center conductor of the coaxial cable is connected to the left boom by means of. The antenna can be located outside, or inside the home. I could not find any published formula for them but only sample antennas. Antenna, ve3sqb ham radio antenna design software programs. Antenna calculator length of the dipole antenna calculation. I always look for simplicity and, more than this, effectiveness. Verticals covers all the common types with a coil calculator built in for the antennas that require themthe quagi may be the best of two worlds. Helical antennas invented by john kraus give a circular polarized wave. Keywords floss, antenna, radiation pattern, virtual reality. 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. Dipole antenna calculator software free download dipole.
Last winter i found one of my old logbooks, where this antenna was scetched on the back. The list will grow with your help so lets start and share the knowledge. This program calculates the focal length and x, y coordinates for a parabola of any diameter and depth. This is the software perite used to design the perite 850 and 900 yagis here is a guide by the mnana master, audionut, to help you get more out of mmana design and tweaking. I have made these for a number of bands and still use it on 4m. Dipole antenna length calculator dipoles antennas are easy to build and can be very effective when placed half a wavelenth or more above ground. Antennas are equipped with radio transmitters and receivers. The antenna was used for portable use, a couple of years, and was finally given away to an italian radio amateur visiting norway in a camper. 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.
Hence here is the double biquad antenna and biquad antenna calculators for handmade antenna based on average data. Parabola calculator for satellite dish antenna design. Descriptions for 144mhz, 70 mhz and 50mhzreflectorhentennas below. If it is inside, just attach it to the wall where your receiver is located. The measurements below are for building a simple dipole antenna. Online calculator lpda logarithmic periodic dipole antenna. A floss tool for antenna radiation patterns nikolitsa yannopoulou 1, petros zimourtopoulos2. When inserting the dimensions for 6m in attached drawing into mmanagal antenna simulations software gives weird results, and indicated that the antenna should be more or less impossible to match to a 50 ohms coaxial cable.
Find a tube with a circumference equal to one wavelength, and wrap wire in a helix spaced a quarter wavelength. The main category is antenna design calculators that is about antenna design calculators. 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. Hentenna was developed by japanese 6m hams je1deujh1fcz jh1yst in 1970s.
This antenna beams into three quadrants without the use of a rotator. The hentenna is a loop style antenna developed by mr. The program use the mininec3 engine modified by alexandre schewelew, dl1pbd, and are. Look closely for the wires going to the top on each side. Enter the desired operating frequency in megahertz to get a good starting length for a dipole in both feet and meters. Long yagis are commonly used from the 144mhz amateur band to the 2. Some hentenna background the hentenna is a loop style antenna developed by mr. This calculator provides quick estimation of antenna size required for a given gain and frequency. Parabola calculator for parabolic satellite dish antenna design. Download the latest full version of antenna, and take it for a free. Here is a simple antenna calculator for two popular forms of ham radio hf wire antennas. A very basic program for calculating the length of each leg of a 12 wave wire dipole antenna.
This calculator is designed to give the vertical length height of a particular antenna, for the frequency and wavelength chosen. The feed coax is routed through the inside of the right boom. Antenna design freeware 1d and 2d arrays from mei software. It was first described in the us in a feb 1982 qst article by koji sugihara, jj1ums and shirow kinashita, jf6deake1eo wrote about it in the arrl antenna compendium vol. A calculator for finding hentenna dimensions ionicwind software.