space medium fill in the blank

Deep Space Network (DSN) complexes are spaced approximately _______ degrees longitude apart for continuous coverage.

  1. 60
  2. 90
  3. 120
  4. 180

Answer: 120

Three DSN sites (Goldstone/Madrid/Canberra) at ~120° spacing ensure at least one complex maintains link with deep space probes as Earth rotates.

Topic Space Technology - Ground Segment
Exam Relevance ISRO Scientist Exam, SSC CPO

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