File:Moosbrunn SW Antenna.jpg

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Description
English: Short wave broadcasting antenna at the Moosbrunn transmitting station of the Austrian Broadcasting Service (Österreichischen Rundfunksender GmbH, ORS), Moosbrunn, Austria. This is a curtain antenna, a high gain directional wire antenna used on the high frequency (HF) bands by shortwave broadcasting stations for long distance international broadcasting. It consists of an array of wire dipoles fed in phase, in front of a vertical "curtain" reflector consisting of closely spaced parallel wires. It radiates a unidirectional beam of radio waves at a shallow angle above the horizon. The radio waves are reflected by the ionosphere back to earth beyond the horizon to cover a listening area in another country. In this example the entire antenna is mounted on a truss that rotates on a spindle, allowing the direction of the beam to be changed.
Deutsch: Kurzwellenantenne Moosbrunn - Österreich
Date
Source Own work
Author Peter Knorr
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Date/TimeThumbnailDimensionsUserComment
current12:05, 26 August 2007Thumbnail for version as of 12:05, 26 August 20071,192 × 1,048 (658 KB)Xavax{{Information |Description= {{en|Short Wave Antenna Moosbrunn - Austria}} {{de|Kurzwellenantenne Moosbrunn - Österreich}} |Source=Own work |Date=November 2006 |Author= Peter Knorr |Permission={{PD-self}} |other_versions=Image:Moosbrunn SW Antenna.jpg (Or
12:04, 26 August 2007Thumbnail for version as of 12:04, 26 August 20071,192 × 1,048 (658 KB)Xavax{{Information |Description= {{en|Short Wave Antenna Moosbrunn - Austria}} {{de|Kurzwellenantenne Moosbrunn - Österreich}} |Source=Own work |Date=November 2006 |Author= Peter Knorr |Permission={{PD-self}} |other_versions=Image:Moosbrunn SW Antenna.jpg (Or
15:04, 13 November 2006Thumbnail for version as of 15:04, 13 November 20061,280 × 853 (173 KB)Deneb~commonswikiDescription: Short Wave Antenna Moosbrunn - Austria Source: Own work Date: November 2006 Author: Peter Knorr
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