J. Chaffee

GPS positioning, filtering, and integration

J. Abel, B. K. McQuiston, J. Chaffee, 1993, Proceedings of the IEEE 1993 National Aerospace and Electronics Conference-NAECON 1993.

GDOP and the Cramer-Rao bound

J. Chaffee, J. Abel, James Chaffee, 1994, Proceedings of 1994 IEEE Position, Location and Navigation Symposium - PLANS'94.