File:SCR-271-D-600 graded.jpg
Original file (1,717 × 2,184 pixels, file size: 1.25 MB, MIME type: image/jpeg)
Captions
DescriptionSCR-271-D-600 graded.jpg |
English: Original Caption: Radio set SR-271-D at Evans Signal laboratory show shelter for components and operating personnel, 100 foot tower, and antennae modified for PPI display. IFF antenna is shown top center on radar antenna. *This is the non portable version of the SR-270 which was otherwise identical in capabilities and equipment to the SR-270. *alteration- this version has a border cropped which credits the photo to Lieutenant Zahl. Original at the above location. *This photo is credited to First Lieutenant Harold Zahl, who pioneered Radar use by the Army air corps. The photo appears in a paper by him from the period. *these photos would not have been saved were it not for Dr. Howard W. Andrews, who had the foresight to preserve them along with Lieutenant (Dr.) Zahl's papers for posterity. Credit and thanks to H.W. Andrews for preseving these photos. |
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Calibration. The original can be viewed here: SCR-271-D-600.jpg: . Modifications made by Efcuse.
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Public domainPublic domainfalsefalse |
This file is a work of a U.S. Army soldier or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
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Original upload log
[edit]This image is a derivative work of the following images:
- File:SCR-271-D-600.jpg licensed with PD-USGov-Military-Army
- 2006-09-09T02:31:16Z Makthorpe 2148x2648 (1212921 Bytes)
- 2006-09-08T09:54:33Z Makthorpe 2148x2648 (1180550 Bytes) {{en| Original Caption: Radio set SR-271-D at Evans Signal laboratory show shelter for components and operating personnel, 100 foot tower, and antennae modified for PPI display. IFF antenna is shown top center on radar anten
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 11:17, 8 February 2010 | 1,717 × 2,184 (1.25 MB) | Efcuse (talk | contribs) | {{Information |Description={{en| Original Caption: Radio set SR-271-D at Evans Signal laboratory show shelter for components and operating personnel, 100 foot tower, and antennae modified for PPI display. IFF antenna is shown top center on radar antenna. |
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Orientation | Normal |
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Horizontal resolution | 600 dpi |
Vertical resolution | 600 dpi |
Software used | Adobe Photoshop CS3 Windows |
File change date and time | 09:59, 8 February 2010 |
Color space | Uncalibrated |