TY  - RPRT
TI  - Sub-meter GPS orbit determination and high precision user positioning - A demonstration
AU  - Lichten, Stephen M.
AU  - Bertiger, Willy I.
AU  - Katsigris, Eugenia C.
PY  - 1988
UR  - https://ntrs.nasa.gov/citations/19880063127
ID  - 19880063127
ER  -