Propagation: ionospheric delay Summary Quick review/introduction to propagating waves Effects of low density plasma Additional effects Treatment of ionospheric delay in GPS processing Examples of some results 04/08/02 12.540Lec1604/08/02 12.540 Lec 16 2 Propagation: Ionospheric delay • Summary – Quick review/introduction to propagating waves – Effects of low density plasma – Additional effects – Treatment of ionospheric delay in GPS processing – Examples of some results