#FIG 3.2 Produced by xfig version 3.2.5-alpha5 Landscape Center Inches Letter 100.00 Single -2 1200 2 2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2 600 1200 600 6000 2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2 300 6000 12900 6000 2 1 0 1 0 7 50 -1 -1 4.000 0 0 -1 0 0 2 600 1200 12600 2400 2 1 1 1 0 7 50 -1 -1 4.000 0 0 -1 0 0 4 7275 6000 7275 2400 12600 2400 12600 6000 2 1 1 1 0 7 50 -1 -1 4.000 0 0 -1 0 0 2 600 1200 12900 1200 2 1 0 1 0 7 50 -1 -1 4.000 0 0 -1 0 0 2 600 1200 7275 6000 2 1 0 1 0 7 50 -1 -1 4.000 0 0 -1 0 1 2 0 0 1.00 60.00 120.00 600 6300 3600 6300 2 1 0 1 0 7 50 -1 -1 4.000 0 0 -1 0 1 2 0 0 1.00 60.00 120.00 7275 6300 4050 6300 2 1 0 1 0 7 50 -1 -1 4.000 0 0 -1 0 1 2 0 0 1.00 60.00 120.00 600 6750 6975 6750 2 1 0 1 0 7 50 -1 -1 4.000 0 0 -1 0 1 2 0 0 1.00 60.00 120.00 12600 6750 7425 6750 2 1 0 1 0 7 50 -1 -1 4.000 0 0 -1 0 1 2 0 0 1.00 60.00 120.00 600 7200 7500 7200 2 1 0 1 0 7 50 -1 -1 4.000 0 0 -1 0 1 2 0 0 1.00 60.00 120.00 8550 7200 7950 7200 2 1 0 1 0 7 50 -1 -1 4.000 0 0 -1 0 0 2 600 6150 600 7350 2 1 0 1 0 7 50 -1 -1 4.000 0 0 -1 0 0 2 7275 6150 7275 6450 2 1 0 1 0 7 50 -1 -1 4.000 0 0 -1 0 0 2 12600 6150 12600 6900 4 0 0 50 -1 0 12 0.0000 4 195 1620 5250 4500 alpha + 30 degrees\001 4 0 0 50 -1 0 12 0.0000 4 195 1785 5250 1650 alpha = 5.71 degrees\001 4 0 0 50 -1 0 12 0.0000 4 150 150 6975 4200 6'\001 4 0 0 50 -1 0 12 0.0000 4 150 150 300 3750 8'\001 4 0 0 50 -1 0 12 0.0000 4 150 255 3750 6375 X1\001 4 0 0 50 -1 0 12 0.0000 4 150 255 7125 6825 X2\001 4 0 0 50 -1 0 12 0.0000 4 150 255 7575 7275 X3\001 4 0 0 50 -1 0 12 0.0000 4 195 3360 600 7650 tan(alpha) = 2 / X2, X2 = 2 / tan (alpha)\001 4 0 0 50 -1 0 12 0.0000 4 195 4245 600 7950 tan (alpha + 30) = 8 / X1, X1 = 8 / tan (alpha + 30)\001 4 0 0 50 -1 0 12 0.0000 4 195 3540 600 8250 X1 = 8 / tan (alpha + 30) = 11.128835593'\001 4 0 0 50 -1 0 12 0.0000 4 195 4800 600 8550 X2 = 20 = 2 / tan (alpha), alpha = 5.7105931375 degrees\001 4 0 0 50 -1 0 12 0.0000 4 195 2115 600 8850 X3 = 8 / tan (alpha) = 80'\001 4 0 0 50 -1 0 12 0.0000 4 195 7545 1650 450 5.7105931375 + 15 = 20.7105931375 degrees = incidence, (looking down,) ~ 21 degrees\001 4 0 0 50 -1 0 12 0.0000 4 195 9570 1650 750 Or, 8' high would give about a 10-20' coverage range of a 6' person with 21 degrees of incidence, (looking down)\001