21. Later, the plan position indicator ( PPI ) was added and the system was designated SCR-516, a low-altitude early-warning radar. 22. "Blip " refers to the dots drawn on early warning radars based on plan position indicator ( PPI ) displays. 23. Tony concocts an alternate plan to find the mansion, and contacts his policeman friend Martin to obtain an electronic position indicator . 24. Both crews are positioned on the beach side of the crew start / finish line adjacent to their beach position indicator . 25. Still another was the plan position indicator ( PPI ), proving the well-known circular presentation on the screen of a cathode-ray tube. 26. Some scrollbars include a visual position indicator to help determine where the scrolling action has gone or will go to in the content. 27. But the plane's crash position indicator , a device that emits a signal from a downed plane, did not work, according to Croatian investigators. 28. When she refuses to tell him the mansion's location due to being under Kobras'control, he hides the position indicator under the passenger seat. 29. The result was a 360-degree image of the sky around the aircraft that was presented on a plan position indicator ( PPI ). 30. The Type 281BQ was a Type 281BP fitted with power rotation, at 2 or 4 rpm, and equipped with a plan position indicator .
