Figure 6-2 Dual Return with Last and Strongest Returns
As shown in
Figure 6-3 on the next page
, in the event the strongest return is the last return, the second-strongest return is
reported. The majority of the beam hits the far wall and is (in this case) the strongest return.
It's entirely possible, however, that the far wall might be far enough away that despite reflecting the majority of the beam,
the return from the near wall would be the strongest return.
Chapter 6 • Key Features 33
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