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18-Geom-B2 Satellite Navigation: December 2014

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Operational and Emerging GNSS Constellations
  2. Question 2 Dilution of Precision in Single Point Positioning
  3. Question 3 The GPS Modernization Program
  4. Question 4 Construction of the Double-Differenced Observable
  5. Question 5 GPS Positioning Concepts
  6. Question 6 Conventional (Relative Static) GPS Control Surveying
  7. Question 7 Multipath Error and Its Mitigation
  8. Question 8 Precise Point Positioning and Network RTK
  9. Question 9 GNSS-Aided Inertial Integration Strategies

Start with Question 1 →

Paper format: National Exams, December 2014 — 3 hours, closed book (approved Casio/Sharp non-programmable calculators only). NINE questions: questions 1–7 are mandatory (80 marks) and the candidate answers one of Q8/Q9 (20 marks) for a total of 100. This is a theory paper — answers are in essay form, with two short symbolic derivations (Q2 DOP, Q4 double differencing). All nine questions, including both Q8 and Q9, are solved below for completeness.

Reference texts: Hofmann-Wellenhof, Lichtenegger & Wasle, GNSS — Global Navigation Satellite Systems (Springer, 2008); Leick, Rapoport & Tatarnikov, GPS Satellite Surveying (4th ed., Wiley); Kaplan & Hegarty, Understanding GPS/GNSS: Principles and Applications (3rd ed., Artech House); Groves, Principles of GNSS, Inertial, and Multisensor Integrated Navigation Systems (2nd ed., Artech House) for Q9; Natural Resources Canada — Canadian Geodetic Survey (CSRS-PPP service, Canadian Active Control System). Canadian frame throughout (NAD83(CSRS), NRCan reference products).