CASES: A Novel, LOW-Cost Ground-Based Dual Frequency GPS Software Receiver and Space Weather Monitor

Geoff Crowley, Atmospheric & Space Technology Research Associates, Boulder, CO; and G. S. Bust, A. Reynolds, F. Rodrigues, P. M. Kintner Jr., M. Psiaki, S. Powell, B. O'Hanlon, T. E. Humphreys, and J. Bhatti