File:Rhombic antenna diagram.svg
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DescriptionRhombic antenna diagram.svg |
English: Diagram of radiation patterns of wire segments of a rhombic antenna, showing how it works. The rhombic antenna is a directional wire antenna used on MF and HF bands for shortwave reception. The antenna consists of a wire suspended above the ground in the shape of a rhombus, terminated at one end by a resistor equal the the wire's characteristic impedance, about 400 to 600 ohms, and at the other end connected to the feedline to the receiver. The rhombic is a travelling wave antenna, Each segment of the rhombus has a radiation pattern as shown (grey) having two lobes pointed forward at a certain angle. By making the corner angle equal to twice the tilt angle, the main lobes of each of the 4 sides point in the same direction and reinforce each other, increasing the gain. |
Date | |
Source | Own work |
Author | Chetvorno |
SVG development InfoField | This diagram was created with Inkscape, or with something else. This diagram uses translateable embedded text. |
Licensing edit
This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. | |
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 04:48, 9 May 2017 | 1,498 × 2,198 (11 KB) | Chetvorno (talk | contribs) | Replaced invalid Inkscape SVG version with "plain SVG" version which passes validation | |
03:25, 13 June 2015 | 1,498 × 2,198 (15 KB) | Chetvorno (talk | contribs) | Added gridelines through main lobes to clarify | ||
17:50, 30 March 2015 | 1,498 × 2,198 (14 KB) | Chetvorno (talk | contribs) | User created page with UploadWizard |
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