File:KBRC antenna tower guy wires.JPG
Original file (370 × 852 pixels, file size: 145 KB, MIME type: image/jpeg)
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Summary
[edit]DescriptionKBRC antenna tower guy wires.JPG |
English: Antenna tower of AM radio station KBRC, located in Mount Vernon, Washington state, USA. This common type of broadcasting antenna is a "mast radiator"; the 200 ft (61 m) lattice tower itself is connected to the radio transmitter and serves as the radiating element. This closeup shows the supporting guy wires attached at three levels at angles of 120 ° around the tower. They are insulated from the high-voltage tower by pairs of ceramic strain insulators. The pairs of arms projecting from the tower are aircraft warning lights. KBRC currently broadcasts on 1430 kHz with a power of only one kilowatt. |
Date | |
Source | Own work |
Author | Chetvorno |
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[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 | 13:13, 29 July 2012 | 370 × 852 (145 KB) | Chetvorno (talk | contribs) |
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Exposure time | 1/300 sec (0.0033333333333333) |
F-number | f/4 |
ISO speed rating | 80 |
Date and time of data generation | 08:36, 22 February 2010 |
Lens focal length | 7.2 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | GIMP 2.6.11 |
File change date and time | 22:42, 28 July 2012 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 08:36, 22 February 2010 |
Meaning of each component |
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Image compression mode | 2 |
APEX shutter speed | 8.2 |
APEX aperture | 4 |
APEX brightness | 7.69 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
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Focal plane Y resolution | 5,292 |
Focal plane resolution unit | 3 |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
Sharpness | Normal |
Subject distance range | Unknown |