TY - CPAPER AU - Maciej Wrona TI - GNSS L1 POSITIONING WITH SBAS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, INFORMATICS, GEOINFORMATICS AND REMOTE SENSING PY - 2015 DO - 10.5593/sgem2015/b21/s8.080 PB - Stef92 Technology ER -