Radar Observer · Display — Motion
On a relative-motion radar display, your own ship is:
- AShown moving across the screen
- BFixed at the center while all targets move relative to you✓ Correct
- CNot displayed at all
- DShown only when stopped
Explanation
In relative motion the own ship stays at the display center and every echo moves according to its motion relative to yours. In true motion, by contrast, own ship and targets both move at their actual courses and speeds.
Authority: Radar Navigation (USCG topic)
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