The farther you are from a target, the less accurate your range will be. This is true in the game, and it was also true in real life.
Quite frankly, if you are tracking a target that far out, it doesn't really matter if your ranges are spot on, as you couldn't hit it that far away anyway.
What I do is I get a preliminary solution as soon as possible, and use that to figure my intercept course. When I get closer, I refine the solution until I am confident.
It doesn't always work that way, of course. There is always the target that pops out of the fog at 500 meters, and you have to make a quick snap-shot. But generally I try and run the numbers on them several times before I shoot.
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The U-Boat Commander of Love
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