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PAGE 16 —GB4000 BALLOON LIGHT• OPERATION AND PARTS MANUAL — REV. #1 (02/25/14)
FOOTCANDLE PLOT
Figure 2. Footcandle Plot
Illuminance (Footcandle)
Diameter (Feet)
30
46
20
60
10
78
5
98
2
149
1
205
0.5
259
0.25
314
0.1
426
1 grid = 40 ft.
30
20
10
5
2
1
0.5
0.25