An A-Scope display is a more physically accurate way of displaying the actual shape of the radar sweep cone from the nose of your plane. But that's not how you see it in your Hornet. The B-Scope display kinda stretches out the bottom of the scan so targets closer to your jet are not all smashed together at the bottom of the cone. As a result, it can get confusing about the relative range and heading of targets.
In the example below, notice the the guy on the left on each display is the same guy! On the A-Scope, it's easy to tell that he's headed straight at your nose. On the B-Scope, he's still headed straight toward your nose, because the entire bottom of the scope is your nose. At first glance, you might think he's going to pass you on your left, but he's not! He's headed straight toward you, but about 45 degrees off your nose.
- b-scope.JPG (151.93 KiB) Viewed 1363 times
Similar deal below. On the B-Scope, you might think that the red guy is nothing to worry about because it seems like he's pretty far out in left field. But he's not! The left/right part of the display only tells you his bearing off your nose. The distance from the bottom of the scan tells you range, and he's close!
- b-scope d.jpg (179.12 KiB) Viewed 1360 times
