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18-Geom-A3 Geodesy and Positioning: May 2015

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

  1. Question 1 Coordinate Systems, Reference Frames and Datums
  2. Question 2 Computations of Positions on the Ellipsoid
  3. Question 3 Height Systems
  4. Question 4 Map Projections
  5. Question 5 Satellite Positioning
  6. Question 6 Network Post-Analysis — Confidence Ellipses
  7. Question 7 Gravity Field and Geoid — Stokes’s Formula
  8. Question 8 Definitions / Descriptions

Start with Question 1 →

Paper format: National Exams, May 2015 — 3 hours, closed book (approved Casio/Sharp calculators only). EIGHT numbered questions; six constitute a complete paper and each is of equal value. Most answers are required in essay format — clarity and organization are marked. All eight questions are solved below for completeness.

Reference texts: Vaníček & Krakiwsky, Geodesy: The Concepts (2nd ed., North-Holland); Torge & Müller, Geodesy (4th ed., de Gruyter); Hofmann-Wellenhof, Lichtenegger & Wasle, GNSS — Global Navigation Satellite Systems (Springer, 2008); Snyder, Map Projections — A Working Manual (USGS PP 1395); Heiskanen & Moritz, Physical Geodesy (Freeman, 1967); Natural Resources Canada / Canadian Geodetic Survey references for NAD83(CSRS), CGVD2013 and CGG2013. Canadian datums and regulators throughout (NRCan; Ontario CORS network).