Dr Liz Petrie
GPS Geodesist

  • Email: elizabeth.petrie@ncl.ac.uk
  • Telephone: +44 (0) 191 208 5041
  • Fax: +44 (0) 191 208 6502
  • Address: School of Civil Engineering and Geosciences
    Room G.15
    Cassie Building
    Newcastle University
    Newcastle upon Tyne
    NE1 7RU


My research involves improving models of errors used in precise GPS processing. I have worked on higher order ionospheric errors and am currently investigating non-gravitational force effects on GPS orbits.

I also work on precise processing of Antarctic GPS data. 


PhD in Satellite Geodesy, Newcastle University (2010)
MSc in Hydrographic Surveying, UCL (2005)
BA, MSci Natural Sciences (Geology), University of Cambridge (2000)




Higher Education Academy (Associate) 

Honours and Awards 

IAG Young Author Award 2010 

Young Scientist Outstanding Poster Paper Award, EGU 2008

Research Interests

- rates of vertical motion from GPS, current area of special interest is Antarctica
- higher order ionospheric effects on GPS
- modelling non-gravitational effects on GPS orbits

Other Expertise

- hydrographic surveying
- oilfield cementing

Current Work

I am currently working on modelling non-gravitational effects on GPS orbits and am also involved in oil platform subsidence monitoring and investigation of GIA and elastic rebound effects in Antarctica.