File:Main antenna feed Anthorn.jpg
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Summary
[edit]DescriptionMain antenna feed Anthorn.jpg |
English: The base of the central mast of the huge trideco antenna of the military VLF transmitter at Anthorn Radio Station, Anthorn, UK, showing the feedlines that feed power to the antenna. The feedline is connected to 6 vertical radiator wires suspended from the huge horizontal topload panels connected to the top of the mast. The transmitter operates on 19.6 kHz with an output power of 550 kilowatts to communicate to submerged submarines. |
Date | |
Source | Own work |
Author | Dougsim |
Licensing
[edit]I, the copyright holder of this work, hereby publish it under the following license:
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 14:11, 28 February 2021 | 2,088 × 1,312 (194 KB) | Dougsim (talk | contribs) | Uploaded own work with UploadWizard |
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Camera manufacturer | OLYMPUS CORPORATION |
---|---|
Camera model | C765UZ |
Exposure time | 1/640 sec (0.0015625) |
F-number | f/4 |
ISO speed rating | 64 |
Date and time of data generation | 15:09, 28 July 2007 |
Lens focal length | 41.4 mm |
JPEG file comment | |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | GIMP 2.10.8 |
File change date and time | 13:32, 28 February 2021 |
Y and C positioning | Co-sited |
Exposure Program | Creative program (biased toward depth of field) |
Exif version | 2.2 |
Date and time of digitizing | 15:09, 28 July 2007 |
Meaning of each component |
|
Image compression mode | 2 |
APEX exposure bias | 0 |
Maximum land aperture | 3.4 APEX (f/3.25) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
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 |
Digital zoom ratio | 0 |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Unique ID of original document | xmp.did:444379ed-c33d-4542-a4ec-ae9dd01ae302 |
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28 July 2007
198,539 byte
1,312 pixel
2,088 pixel
image/jpeg
8075a26d6f918fea8e7545becc8b7006ad6f6ef5
0.0015625 second
41.4 millimetre
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