File:Helical antenna principle.png
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Helical_antenna_principle.png (300 × 205 pixels, file size: 9 KB, MIME type: image/png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:58, 3 May 2007 | 300 × 205 (9 KB) | commons>Ulfbastel | {{Information |Description=principle desing of a helical antenna |Source=from france wikipedia (from F5ZV) |Date=3. Mar. 2007 |Author=~~~ }} |
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