Kinetic Simulations of Photoelectron Driven Instabilities Applied to 150 Km Echoes with Improved Collision Models

Meers M Oppenheim1, Yakov S Dimant1, William James Longley2 and Glenn Sugar3, (1)Boston University, Center for Space Physics, Boston, MA, United States, (2)Rice Univ, Houston, TX, United States, (3)Stanford University, Stanford, CA, United States