Articles tagged with: Mardina Abdullah

Jul 2009 | Comments Off on Malaysia precise positioning
https://mycoordinates.org

Global Positioning System (GPS) is currently one of the most popular global satellite positioning systems due to global availability of signal and performance. GPS employs two carrier frequencies which is L1 and L2 allowing receivers equipped with dual frequency operation to be used. Due to the inhomogeneity of the propagation medium in the ionosphere, the GPS signal does not travel along a perfectly straight line [1,2]…