%0 Journal Article %T Sentinel-6A precise orbit determination using a combined GPS/Galileo receiver %A Montenbruck, Oliver %A Hackel, Stefan %A Wermuth, Martin %A Zangerl, Franz %J Journal of Geodesy %V 95 %N 9 %@ 0949-7714 %D 2021-09-01 %I Springer Berlin Heidelberg %~ DeepDyve