%0 Journal Article %T A global mapping technique for GPS‐derived ionospheric total electron content measurements %A Mannucci, A. J. %A Wilson, B. D. %A Yuan, D. N. %A Ho, C. H. %A Lindqwister, U. J. %A Runge, T. F. %J Radio Science %V 33 %N 3 %P 565-582 %@ 0048-6604 %D 1998-05-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve