TY - JOUR AU - Lacy de, María Clara AU - Gil, Antonio José AU - Rodríguez Caderot, Gracia AU - Moreno, B. PY - 2008 UR - https://hdl.handle.net/20.500.14352/50308 T2 - Física de la Tierra AB - The modernization of the Global Positioning System (GPS)and the advent of the European Project Galileo will lead to a multifrequency Global Navigation Satellite System (GNSS). Single GNSS receiver observations could be used to estimate the ionospheric... LA - eng M2 - 133 PB - Universidad Complutense de Madrid KW - Modernized GPS KW - Galileo KW - Ionospheric bias KW - Formal accuracy. TI - A method to estimate the Ionospheric bias by using the new GNSS frequencies: an analysis of its theoretical accuracy in a PPP context TY - journal article VL - 20 ER -