Quantitative aspects of the Galperin L parameter
A new geomagnetic parameter was suggested twenty years ago by Y.Galperin, the Galperin L parameter, and it was introduced into the CNES Maglib for French-Russian projects in the MSM SOOTHING MASSAGE RUB exploration of the distant magnetosphere.The definition and the advantages of the Galperin L parameter are recalled in this brief paper.Unforeseen