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The Antenna Lab | The Ham's Corner | Advanced RF Edge

Category - Current Distribution

These articles provide guidance on plotting current distribution on wires and displaying lists of current vs. frequency within the AN-SOF software.

Articles

Plotting the Current Distribution
3D Plots To visualize how current flows across your entire model, navigate to Results > Plot Current Distribution in the main menu. This command launches the AN-3D Pattern application, which renders the current amplitude directly on the 3D structure using a dynamic color scale (Fig. 1). Beyond amplitude, you can also analyze the complex components […]
The List Currents Toolbar
Right clicking on a wire shows a pop-up menu. Click on the List Currents command to display the List Currents toolbar, Fig. 1. This toolbar allows us to select a wire segment to see the current flowing through that segment versus frequency...
Listing the Currents in a Segment
To analyze how the current at a specific point on your antenna behaves across a range of frequencies, follow this procedure:
Exporting Currents on a Wire
The currents flowing on a wire can be exported to a CSV (Comma-Separated Values) file. Since the current is calculated at the midpoint of each wire segment, the current distribution is sampled at a finite set of points determined by the number of segments the wire is divided into. Additionally, as the current varies with […]