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Information contained in this document pertains to a Canadian origin product that is controlled as "dual use" by the Canadian government.  However, when in 
the United States or possessed by a US person, it may be considered a defense article from the US Government's perspective.  US government authorization 
may be required for re-transfer to a foreign person.   If you have any questions, please contact FLIR's Global Trade Compliance group at 
exportquestions@flir.com . 
 
Figure 4 - Optimizing Grazing Angle 
 
 
Note
 
In an uneven terrain environmen
should be installed so as to follow (or “graze”), to the 
extent possible, terrain contour as shown in Figure 4. Optimizing the grazing angle may require 
adjusting the tilt angle of the antenna, as described in Section 4.2.1. 
 
Note
 
FLIR Radars recommends asking your Sales Representative about site surveys prior to all first 
installations, to ensure proper site selection and ideal system installation recommendations for 
optimal functioning of the radar to your specific requirements. 
 
 
 
Figure 5 - Radar Installation on Even Terrain - Incorrect Height and Incorrect Tilt Angle