I figured this part out.
Im still confused as to when to "subtract it from 180".
Also, the example shows how to compute speed.
Its says "so a ship spanning 251 meters has traveled 251 meters in 44 seconds"
How can this statement be true unless the target was perfectly perpendicular to you? Doesnt make sense. Target could travel thousands of meters through your scope if its traveling at a angle. Will AOBF take this into account when calculating speed?
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sam
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