Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
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Primary radar detects targets by:
A
Receiving transponder replies
B
Reflecting transmitted radio energy off the target
C
Measuring GPS position data
D
Using infrared sensors
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See where you stand: 5 hard questions, instant score, every answer explained.