Hi - This is one for the hard-boiled EM geophysicists out there.
Has anyone tried doing a plate inversion of TDEM data using Leroi v8.0? (CSIRO P223F code) My inversion runs, but when I look at the observed and calculated data at each iteration, Leroi doesn't appear to be calculating the response of the plate (just the host half-space), and the inversion is unable to fit the data. If I run exactly the same file in forward modelling mode, hey presto, I get the plate response I was expecting. I have tried using local coordinates for the loop, receiver and plate positions (was previously using UTMs) but I still get the same thing. Has anyone else encountered this problem? Cheers, James [cid:[email protected]]<http://www.mirageoscience.com/> James Reid, Director Asia-Pacific, Principal Consultant www.MiraGeoscience.com<http://www.mirageoscience.com/>, tel +61.419 748 009, 45 Ventnor Ave, West Perth WA 6005 Australia
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