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What is added to SPN-42 to eliminate wandering of the echo skin?(a) AESA(b) Aircraft beacon(c) PESA(d) Helical antennaThe question was posed to me in exam.Asked question is from Carrier Landing Systems in portion Landing Systems & Air-Traffic Management of Avionics

Answer»

Correct CHOICE is (b) Aircraft beacon

The BEST explanation: The SPN-42 was retrofitted with a SMALL X-band parabola when aircraft beacons were ADDED to eliminate errors caused by wandering of the echo skin.



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