File:Donna_Halper.jpg
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DescriptionDonna Halper.jpg | Donna L. Halper presents a summary of her paper (with Christopher Sterling), "Fessenden's Christmas Eve Broadcast: Reconsidering an Historic Event", Antique Wireless Association Review, vol. 19, pp. 119–139 (2006). The event took place at the Isaac Winslow house, Marshfield, Massachusetts. |
Date | |
Source | The Archives @ BostonRadio.org |
Author | Garrett Wollman |
Permission (Reusing this file) |
By consent of the photographer. |
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Items portrayed in this file
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7 October 2006
0.02 second
1.8
50 millimetre
100
image/jpeg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 02:11, 15 October 2006 | 3,456 × 2,304 (2.11 MB) | 121a0012 | {{Information |Description=Donna L. Halper presents a summary of her paper (with Christopher Sterling), "Fessenden's Christmas Eve Broadcast: Reconsidering an Historic Event", ''Antique Wireless Association Review'', vol. 19, pp. 119 |
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Camera manufacturer | Canon |
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Camera model | Canon EOS DIGITAL REBEL XT |
Exposure time | 1/50 sec (0.02) |
F-number | f/1.8 |
ISO speed rating | 100 |
Date and time of data generation | 13:59, 7 October 2006 |
Lens focal length | 50 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 13:59, 7 October 2006 |
Y and C positioning | Co-sited |
Exposure Program | Aperture priority |
Exif version | 2.21 |
Date and time of digitizing | 13:59, 7 October 2006 |
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APEX aperture | 1.6959991455078 |
Exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash fired, compulsory flash firing |
Color space | sRGB |
Focal plane X resolution | 3,954.233409611 |
Focal plane Y resolution | 3,958.7628865979 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
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Scene capture type | Standard |
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