TY - JOUR AU - Moreno Monge, Beatriz AU - Rodríguez Caderot, Gracia AU - Lacy de, M.C. PY - 2014 DO - 10.1007/s10291-013-0335-7 SN - 1080-5370 UR - https://hdl.handle.net/20.500.14352/33641 T2 - GPS solutions AB - We present the new MAP3 algorithms to perform static precise point positioning (PPP) from multifrequency and multisystem GNSS observations. MAP3 represents a two-step strategy in which the least squares theory is applied twice to estimate smoothed... LA - eng M2 - 355 PB - Springer KW - Precise point positioning KW - GNSS KW - Multifrequency algorithms KW - Complete covariance matrix KW - Least squares TI - Multifrequency algorithms for precise point positioning: MAP3 TY - journal article VL - 18 ER -