TY  - RPRT
TI  - Characterizing the dependence of satellite-based augmentation systems upon the spatial distribution of GPS measurements
AU  - Sparks, L.
AU  - Komjathy, A.
AU  - Mannucci, A. J.
PY  - 2003
UR  - https://ntrs.nasa.gov/citations/20060040050
ID  - 20060040050
ER  -