SimPEG.electromagnetics.time_domain.fields.FieldsDerivativesHJ.knownFields

FieldsDerivativesHJ.knownFields = {'bDeriv': 'E', 'dbdtDeriv': 'E', 'dhdtDeriv': 'E', 'eDeriv': 'F', 'hDeriv': 'E', 'jDeriv': 'F'}