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LETTER
HEIGHT |
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100' |
30' |
3" |
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150' |
40' |
4" |
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200' |
60' |
6" |
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350' |
80' |
8" |
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400' |
90' |
9" |
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450' |
100' |
10" |
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525' |
120' |
12" |
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630' |
150' |
15" |
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750' |
180' |
18" |
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1000' |
240' |
24" |
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1250' |
300' |
30" |
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1500' |
360' |
36" |
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1750' |
420' |
42" |
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2000' |
480' |
48" |
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2250' |
540' |
54" |
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2500' |
600' |
60" |
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How to determine the maximum readable distance
of letters and numbers.
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| This letter visibility chart has been made for you based on information provided by the California Institute of Technology. |
| The calculations are based on an externally (naturally) lighted sign with all upper case Helvetica letters utilizing optimal negative space. Factors that may affect required letter size are: color scheme, font selection, traffic and weather conditions, or sign standoff. The stronger the contrast between the colors of your background and your letters, the better the visibility. |
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1-800-644-2044
2404 43RD AVE. WEST
BRADENTON, FLORIDA 34205
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