Visual Range = 336 km 
Wavelength = 0.55 um 
Altitude = 3 km 
Visual Range = 23 km 
  
Visual Range = 8 km 
TRANSMITTANCE 
Visual Range = 2 km 
  
  
[d d 
0.00 A 
0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00 
SCAN ANGLE (Degrees) 
FIGURE 3. DEPENDENCE OF TRANSMITTANCE ON 
NADIR SCAN ANGLE FOR V ARIOUS VISUAL RANGES 
14 
7l1IRO-5-523