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For example, a three element beam looks like this:. Right now this antenna is laying on the ground! The Z-axis is the height of the antenna above ground. Working this way allows you to concentrate on drawing the antenna in two dimensions, then by adding in the antenna height in the Z-axis, the antenna will move up in height.

To raise the height of the antenna, click on a wire, then in the Wire data section, add the height to the Z-axis; the Z-axis is the highlighted text boxes. Remember you have to add height to the Z-axis for both ends of the antenna and the values are always positive. Putting a negative value for the Z-axis will place the antenna underground! Click on the button, the antenna will no longer be on the ground.

We can call that 33 feet for this demonstration. Plus, the ground underneath the antenna will also come into play so the length derived from the equation could be slightly shorter or longer. When the dipole is installed at the length of the standard equation determine the SWR at resonance.

For example, resonance happens to be Slightly higher than calculated. Do the calculation one more time using the new constant to determine the new length and the new dipole will be resonant at the design frequency. Anyway, back to using 4NEC2! To draw the antenna in the Geometry Editor, click on the toolbar button, on the right, use the Zoom slider to make each grid square 1 foot long, then enter the design frequency in the Frequency textbox.

Now that the Geometry Editor is configured, click on the button then draw a line as evenly as possible along the Y-axis with half the wire on the negative Y-axis, and the other half on the positive Y-axis. Click OK on the Wire Radius dialog box. We need 33 feet so enter. The dipole is one long segment, that needs to be changed as well. Enter the following into their respective textboxes:.

Remember the Z-axis is for height above ground so enter 33 into both End-1 and End-2 text boxes. Take a look around your location to see what the ground looks like. To choose which ground to use, click on the on the toolbar and the Ground Parameters pane will appear. Select Real Ground from the drop-down, then from the lower drop-down, select Dry, Sandy, Coastal or your own ground type if you prefer.

The settings look like this:. The source will be placed right in the center of the antenna, which would be segment 6. By placing the RF source on segment 6, that leaves 5 segments on either side of the source. To add a source, click on the then buttons. Click the button, move the cursor on the grid and it will change to dark cross hairs.

Hold down the left mouse button and drag the source to the center of the dipole coordinates 0,0. The Geometry Editor will look like this:. The source is the circle centered on the origin.

Sources will always be placed in the middle of a segment. The very light gray rectangle represents that there is a ground underneath the dipole. Click on the button to see the final creation! Click on the button on the far right side of the Geometry Editor; the Generate window will be displayed.

Select Far Field. What do the results look like? The Main Window gives us the electrical details of our dipole at a half wavelength above ground. We know the feedpoint impedance, S. What would the vertical gain look like at different heights? After calculation:. Great for local communications but not so much for chasing DX. What does that look like? Now the pattern really changes!

No infections have been found and downloading 4nec2 is completelly problem free because of that reason. Our experts on malware detection tested 4nec2 with various spyware and malware detection programs, including fyxm.

All software that you can find on our servers, including 4nec2, is either freeware, shareware or open-source, some of the software packages are demo, trial or patch versions and if possible public domain licence , we also host official full versions of software.

Because we want to be one of the fastest download sites on the web, we host all the software including 4nec2 on our servers. You cannot find here any torrents or download links that would lead you to dangerous sites. Warez is harming producers of the software. Download 4nec2. With multiple locations and variables it allows users to change variables without doing it manually. It is an free field rations checker software and it’s used to create, view and also optimizing 2d and 3d style antenna geometry structure and then it checks field radiations it consumes less storage and ram on your pc and it is very easy to use.

Your name. Your comment. SketchUp Shop. Fast Plans. The built-in geometry builder enables you to set the configuration parameters radius, angles, rotation, length etc. It is suitable for both experienced and beginner antenna modelers, providing all the necessary tools for designing fully-functional designs.

Review Free Download specifications changelog report malware. Create, optimize and verify 2D or 3D geometry structures that can be used for antenna modelling using this simple and straightforward app 4nec2.

 
 

4nec2 Free Download for Windows 10, 8 and 7 – .

 

Especially designed for antenna modelers, 4nec2 is windoqs simple tool for designing, optimizing and verifying 2D or 3D geometry structures. However, it also features options designed to meet the requirements of 4nec2 windows 10 advanced users, such as the genetic algorithm based optimizers.

4nec2 windows 10 interface looks rather crowded, but it provides fast access to all the options. It displays 4nwc2 information about the antenna parameters, such as the voltage, frequency, wavelength, impedance, the number of series and parallel components, input power, structure and 4nec2 windows 10 loss and the calculated efficiency. The geometry editor provides real-time rendering of the model, displaying a 3D graphical representation of the model and enabling winodws to 4nec2 windows 10 it freely, zoom in and out, determine segment lengths 4nec2 windows 10 view the wire load.

Auto-segmentation, frequency sweeps. Free reader for windows, it can calculate area-plot and point plot data and display it on the screen. The built-in geometry builder enables 4enc2 to set the configuration parameters radius, angles, rotation, length etc. It is suitable for both experienced and beginner antenna modelers, providing all the necessary tools for designing fully-functional designs.

Review Free Download specifications changelog report malware. Create, optimize and verify 2D or 3D geometry /17411.txt that can be used for antenna modelling using this simple and straightforward app 4nec2.

New in 4nec2 4jec2. Under certain conditions, in Geometry Edit all wires were saved as single-segment wires. This bug was fixed. Bugfix when using variable names longer than 8 chars in Genetic Optimizer. Read the full changelog. Load comments. All rights reserved.

 

4nec2 windows 10 –

 

The geometry editor provides real-time rendering of the model, displaying a 3D graphical representation of the model and enabling you to rotate it freely, zoom in and out, determine segment lengths or view the wire load. Auto-segmentation, frequency sweeps. Additionally, it can calculate area-plot and point plot data and display it on the screen. The built-in geometry builder enables you to set the configuration parameters radius, angles, rotation, length etc.

By placing the RF source on segment 6, that leaves 5 segments on either side of the source. To add a source, click on the then buttons.

Click the button, move the cursor on the grid and it will change to dark cross hairs. Hold down the left mouse button and drag the source to the center of the dipole coordinates 0,0. The Geometry Editor will look like this:. The source is the circle centered on the origin. Sources will always be placed in the middle of a segment. The very light gray rectangle represents that there is a ground underneath the dipole. Click on the button to see the final creation!

Click on the button on the far right side of the Geometry Editor; the Generate window will be displayed. Select Far Field. What do the results look like? The Main Window gives us the electrical details of our dipole at a half wavelength above ground. We know the feedpoint impedance, S. What would the vertical gain look like at different heights? After calculation:. Great for local communications but not so much for chasing DX. What does that look like? Now the pattern really changes!

What has caused the signal to have a lobe going straight up? The ground beneath the dipole is acting like a reflector. Gives it a clown hat like shape. Enter 66 in the Z-axis and generate another set of results. It looks like this:. Enter for the Z-axis and generate another set of results. This example we used a 20M antenna modeled at various heights above real ground. L ength. R adius. Default 4NEC2 installation directories and file locations. Supported Operating Systems Basic functionality was tested on the following operating systems.

Windows 7 64bit Windows 8 64bit Windows 10 64bit About the Author Mark Schoonover has been licensed since when he got his Novice license on a wager with his dad. Add to the Windows Start Menu. Help Menu. File Menu. Edit Menu. Settings Menu. Calculate Menu. NEC Output Data. Window Menu. Show Menu.

Polar Notation. Run Menu. Geometry Builder. Picture Viewer. Main Toolbar. Geometry Show. You can enter in initials and variables far faster than you would normally. Right out the gate upon using and experimenting with the software you’ll notice that 4NEC2 supports by default roughly different segments. If needed you can download the engine files used from the same site of 4NEC2 and you are then allowed to run up to roughly 10, plus segments. Made with in Arlington, VA.

A powerful antenna program. Download 4nec2. With multiple locations and variables it allows users to change variables without doing it manually. All rights reserved. All other trademarks are the sole property of their respective owners. Related searches: 4nec2 – antenna 4nec2 security information You cannot download any crack or serial number for 4nec2 on this page. Objectmaker2 new.

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