On the emission region of Type II Radio Bursts in interplanetary shock fronts

Ernesto Aguilar-Rodriguez, Universidad Nacional Autonoma de Mexico, Instituto de Geofisica, Unidad Michoacan, Morelia, Mexico and Pedro Corona-Romero, CONACyT - Servicio de Clima Espacial Mexico - Laboratorio Nacional de Clima Espacial, SCiESMEX – LANCE, Morelia, Mexico