For the two Coordinated Data Analysis Workshop 6 periods, March 22 and March 31 to April 1, 1979, Kamide et al. have used global International Magnetospheric Study (IMS) magnetometer data along with the Rice ionospheric conductivity model to estimate the electric fields and currents at high latitudes. This procedure can be checked by comparing these results with the electric fields inferred from the drift velocities measured by the Scandinavian Twin Auroral Radar Experiment radars. We find that, in general, the two methods agree to within 20%, confirming the utility of IMS magnetometer data in estimating the global electric field distribution. However, systematic differences in the two methods suggest that modifications must be made in the statictical conductivity model when applying it to dynamic processes.