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Source page: |
http://commons.wikimedia.org/wiki/File:Sendemast_Hirschlanden_Dachkapazit%C3%A4t.jpg |
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Summaryedit
| Description |
English: Top of the radio mast of the medium wave transmitter in Hirschlanden, Baden-Württemberg, Germany, of the Deutsche Telekom AG for the AFN, showing a capacity "top hat" for electrical lengthening. The screen of wires supported by the four radial arms acts as a capacitor plate, with the ground as the other plate. Each cycle of the alternating current radio signal, current flows in and out of the screen, just as if the tower continued above it. This serves to increase the current in the top part of the antenna, increasing the radiated power, as if the tower was longer.
Deutsch: Selbststrahlender Sendemast mit Dachkapazität. Sendemast des Mittelwellensenders Hirschlanden, Baden-Württemberg, der Deutschen Telekom AG für den AFN. Detailaufnahme der Dachkapazität..
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| Date | |
| Source | Own work |
| Author | Harke |
| Other versions |
| Camera location | View this and other nearby images on: OpenStreetMap - Google Earth |  |
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Licensingedit
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
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This image has been assessed using the Quality image guidelines and is considered a Quality image. |
Photo's description:
Top of the radio mast of the medium wave transmitter in Hirschlanden, Baden-Württemberg, Germany, of the Deutsche Telekom AG for the AFN, showing a capacity "top hat" for electrical lengthening. The screen of wires supported by the four radial arms acts as a capacitor plate, with the ground as the other plate. Each cycle of the alternating current radio signal, current flows in and out of the screen, just as if the tower continued above it. This serves to increase the current in the top part of the antenna, increasing the radiated power, as if the tower was longer.
Deutsch: Selbststrahlender Sendemast mit Dachkapazität. Sendemast des Mittelwellensenders Hirschlanden, Baden-Württemberg, der Deutschen Telekom AG für den AFN. Detailaufnahme der Dachkapazität..
| EXIF data: | |
| File name | sendemast_hirschlanden_dachkapazita_t.jpg |
|---|---|
| Size, Mbytes | 2.091771484375 |
| Mime type | image/jpeg |
| Camera manufacturer | NIKON CORPORATION |
| Camera model | NIKON D60 |
| Orientation of image | 1 |
| Image resolution in width direction | 300 |
| Image resolution in height direction | 300 |
| Unit of X and Y resolution | 2 |
| Exposure time | 3125/1000000 sec (0.003125) |
| F number | f / 8 |
| Exposure program | 3 |
| ISO speed rating | 100 |
| Exif version | 0220 |
| Lens focal length | 92 mm |
| Date and time original image was generated | 2009:08:01 15:16:06 |
| Date and time image was made digital data | 2009:08:01 15:16:06 |
| Meaning of each component | |
| Exposure bias | 0 |
| Maximum lens aperture | 4.3 |
| Metering mode | 5 |
| User comments | ASCII |
| Supported Flashpix version | 0100 |
| Color space information | 1 |
| Exif image width | 2025 |
| Exif image length | 2700 |
| Sensing method | 2 |
| Scene type | |
| CFA pattern | |
| Digital zoom ratio | 1 |
| Focal length in 35 mm film | 138 mm |
| Software used | Capture NX 2.0.0 W |
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