What does ARPA stand for?

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Multiple Choice

What does ARPA stand for?

Explanation:
ARPA is about automatic radar plotting and tracking of targets. The name stands for Automatic Radar Plotting Aid. It automatically detects radar returns, calculates each target’s range, bearing, course, and speed, and projects future positions. It also computes the Closest Point of Approach and Time to CPA to assess collision risk and can display predicted tracks and alarms on the radar screen. The other options don’t match the established terminology, as they suggest planning, advanced processing, or generic assistance rather than the specific automatic plotting aid described by ARPA.

ARPA is about automatic radar plotting and tracking of targets. The name stands for Automatic Radar Plotting Aid. It automatically detects radar returns, calculates each target’s range, bearing, course, and speed, and projects future positions. It also computes the Closest Point of Approach and Time to CPA to assess collision risk and can display predicted tracks and alarms on the radar screen. The other options don’t match the established terminology, as they suggest planning, advanced processing, or generic assistance rather than the specific automatic plotting aid described by ARPA.

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