Antenna yagi calculator

In V3.

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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. The page will operate below the lower limits, The Design Information , lower left drawing, is based on your input data from the previous section.

But that is quite a bunch of numbers to remember, so the formula is approximated, as shown under the heading the Antenna yagi calculator Wavelength Formula. The center frequency of the antenna in MHz The amount of antenna elements the more elements the more inverse log gain it has and directional beam becomes more narrow.

On-line directional antenna designer. Unlike most antenna designs on this site which are omni directional, this antenna type is very directional and has been constructed to facilitate the reception of telemetry signals from the smart falconry telemetry project. Calculate the required dimensions for a three to eleven element directional yagi antenna construction for any given frequency. Enter the required frequency in MHz and the antenna designer will calculate the dimensions of the required elements as shown below. The center frequency of the antenna in MHz.

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 less capricious about the presence of outside objects near them and retain their characteristics under any weather conditions. Antenna has a straight center fed half-wave dipole. It is only necessary to choose the material of the internal insulation of the cable. Let's pay special attention to boom-correction.

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.

Rogue bis bfa

Unfortunately this means some incompatibility if you want to rescue old designs. You are operating with excessive precision in this case. Gamma match One of the simplest methods of matching a dipole to 50 Ohm coaxial cable. Main About the site The site map Feedback. The article was titled Extremely Long Yagi Antennas. There are a variety of matching devices that can be used see my web page on Yagi Matching. Do not use aluminium tubing or other metal materials for the boom.. The center frequency of the antenna in MHz. Making small changes in the element lengths, without changing the element diameters, will not cause a problem. Between Each Element: or or. Name required. Radius Length: or or.

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.

The Design Information , lower left drawing, is based on your input data from the previous section. The details of the 3-element Yagi antenna will be calculated using the equations above, and then annotated on the drawing. A boom length of 2 wavelengths or 10 elements would be a minimum sized antenna. Latest Version is 3. We have to resort to empirical methods and formulas in calculating boom correction, based on large arrays of practical measurements of real antennas, which DL6WU did long time ago. The old output screen appears to the right. The calculator will specify 1. The Resonating Condenser is usually a variable capacitor. New Products. RD Contest logger. Scan QR-code, if you are here on desktop, or tap it, if you are here on phone:. The spacing required for a parasitic Director is much less than the spacing required for a parasitic Reflector. This formula is good, except that the upper limit of its applicability is a boom with a diameter of 0.