| Abstract: | Summary Using the electromagnetic response of a two-layer spherical model it is shown that the estimate of the depth, radius, conductivity and magnetic contrast of a spherical conductor through the multifrequency or multi-time measurements is dependent upon the electrical and geometrical parameters of the conducting halo surrounding the target. The results identify the corrections or ambiguity in the interpretation depending upon whether some knowledge about the halo is available or not.National Geophysical Research Institute, Hyderabad-7, A.P., India.-NGRI Contribution No. 72–364. |
