When selecting a target for tracking, which factors indicate a good track candidate?

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Selecting a target for tracking hinges on reliability and persistence of the radar returns. A good track candidate shows a stable radar signature—its echo remains consistently detectable rather than fluctuating due to clutter. Its range and bearing change in a smooth, predictable way from sweep to sweep, indicating coherent motion rather than measurement noise. The track should continue across multiple sweeps, showing continuity rather than being lost and reacquired. And there should be no conflicting echoes that create ambiguity or false targets. When these conditions are met, the ARPA system can maintain a reliable track and accurately predict future position for safe navigation. In contrast, erratic range progress with echo clutter signals noisy, unreliable data; inconsistent range and bearing with breaks in tracking means the tracker can’t maintain a stable target; and no echo returns at all means there is no target to track.