@misc{indiciae46a7f0a88286, title = {Precise positioning capabilities for TOPEX using differential GPS}, author = {Lichten, S. M. and Wu, S.-C. and Wu, J.-T. and Yunck, T. P.}, year = {1986}, url = {https://ntrs.nasa.gov/citations/19860058494}, note = {Source identifier: 19860058494} }