Antenna yagi calculator

The calculator calculates the Yagi-Uda antenna of the DL6WU design with boom-correction correction for the influence of the load-bearing boom. The antenna is optimized for maximum gain. It is believed that DL6WU antennas, having a very high gain, are antenna yagi calculator capricious about the presence of outside objects near them and retain their characteristics under any weather conditions, antenna yagi calculator.

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Antenna yagi calculator

This page is intended for users that want to experiment with a yagi design but do notneed all the rhetoric contained on the main Yagi Design Page. This page assumes that you have already read the information on the Yagi Design Page and understand what each of the text boxes and selectors are for. This page minimizes all the clicking, scrolling, and popups but still uses all of the same equations as the main Yagi Design Page. Any changes to the input data is immediately rendered in the design data at the bottom of the page. Any output in a red font is usually a warning that you are trying to do something that it outside the capabilities of the design program. That's OK, as the program isn't going to anything real wierd. However, in extreme cases, you might get odd outputs, like negative numbers or "NAN" listings. Just try not to stray too far from the program capabilities. The main restriction is to keep the required Gain between Other restrictions exist that are frequency dependent. They are listed in the input areas. Use the following entry areas to define your antenna requirements.

Theory basics About RF transmission lines Matching and balancing. That's OK, as the program isn't going to anything real wierd. Is it possible to replace a straight split dipole with antenna yagi calculator folded one?

Meserve Yagi Antennas Element. This page has a variety of calculators that can be used to calculate dimensions for practical antennas for 6, 10, 11, 12, 15, 17 and 20 Meter Yagi Antennas. While you may not have the space for a large array, there is a lot to be gained from simple, 2 and 3 Element arrays. Yes, I do include 11 meters. While it is not a ham band, a 2 or 3 element yagi for this band would provide better communication than strapping on a amplifier. All of the equations used on this page are based on the Basic Wavelength Formula , which is shown on the right.

In V3. File management has received some major work so if you want to maintain old yagi designs you should be aware that these will not work in this version. Although YO files are still produced, Yagi Optimiser is no longer supported by the author. Features of this free but copyrighted program include: calculation of the element length and element spacings of a yagi for a particular frequency, different size materials for boom and elements are catered for as are different methods of mounting, dimensions of baluns are calculated, there is provision for entering the dimensions of an existing DL6WU antenna for optimisation through an external program or to gather information on its gain, beamwidth etc. A handy SWR calculator and feedline loss calculator are included as part of the package. Stacking information is also provided as are estimates of gain. A Helpfile is included that covers many aspects of yagi design as well as helping with the operation of the program. A major change is that the program will now work for users in Regions where the comma is used as a decimal separator. The program checks your region and adjusts accordingly but stores MMANA and YO files with dot separators as this is required by those programs. Before installing this update save your old directories - perhaps change the directory name of your old installation so that you can still run the old version.

Antenna yagi calculator

This page is intended for users that want to experiment with a yagi design but do notneed all the rhetoric contained on the main Yagi Design Page. This page assumes that you have already read the information on the Yagi Design Page and understand what each of the text boxes and selectors are for. This page minimizes all the clicking, scrolling, and popups but still uses all of the same equations as the main Yagi Design Page. Any changes to the input data is immediately rendered in the design data at the bottom of the page. Any output in a red font is usually a warning that you are trying to do something that it outside the capabilities of the design program. That's OK, as the program isn't going to anything real wierd. However, in extreme cases, you might get odd outputs, like negative numbers or "NAN" listings.

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FAQ Choice of material for the antenna How to calculate length of coaxial cable half-wave balun? The drawing on the right shows a two element Yagi antenna. Repeater controller. You must have JavaScript enabled in your browser to utilize the functionalities of this website. Their small size, and especially their small prices, will probably surprise you but they are innovative, no-compromise, top-performing products. It would have a Driven Element and either a parasitic Reflector , or a parasitic Director. When ordering materials and building your antenna, allow a little extra length and trim as necessary instead of building and installing the antenna before discovering that it is too short. For best front to back ratio it is recommended that a yagi be constructed with one of the following numbers of elements - 10,14,19, The reflector is part of the antenna. The larger diameters are used to insure that the reactance of the array elements remain low at frequencies removed from the design frequency. Maple Leaf Communications assumes no responsibility for material calculation errors or other deficiencies in the calculator offered here. With smaller diameter elements the calculated lengths will still be valid. This page assumes that you have already read the information on the Yagi Design Page and understand what each of the text boxes and selectors are for. Wire antenna simulators based on the NEC core, such as 4NEC2, cannot take this correction into account, which is one of the problems in the design of the Yagi-Uda antenna. That being said, the calculator only deals with a Two Element Yagi that consists of a Driven Element and a parasitic Director.

The calculator calculates the Yagi-Uda antenna of the DL6WU design with boom-correction correction for the influence of the load-bearing boom. The antenna is optimized for maximum gain.

Elements in the center of the metal boom and electrically connected to it option 1 Elements are isolated from the boom, or mounted above the boom option 2 Elements on a dielectric boom or on a metal one, but holded away from it option 3. On the other hand, yagis with as few as 8 elements have used the design and worked very well. If however you are a radio amateur operator and want an antenna with more bandwidth, then a folded dipole can replace the active element of this antenna design. Antenna elements diameter ED in millimeters the diameter of the antenna elements. Download the new version here. Of particular importance is the feed impedance. Yagi Calculator. How to calculate an antenna? I finally finished the antenna with the end squares as 90 degree squares and mounted it. Mobile menus. Name required. Time moved on and so did operating systems, so the version was an opportunity to convert to a Windows environment and update the information and modify some of the algorithms. The program on this site was developed in the early 90s as a DOS program. For the longer rods, you might want to add a few plexiglass spacers along the length, to keep the spacing consistent. This calculator uses the DL2KQ formulas to calculate the boom correction factor.