00689nam a22002057a 4500003000400000005001700004008004100021020001500062028000800077082001700085100002900102245011700131260005300248300001900301655002400320655003400344655004100378655002900419655003500448SNU20141210150158.0141210b        xxu||||| |||| 00| 0 eng d  a0936406062  aHCL  a629.13251INS  aInstitute of Nevigation   aGlobal Positioning Systemb:Selected Papers on Satellite based augmentation systems c/ Institute of Navigations  aAlexandria V A b:Institute  of Navigationc1999  a455p. c24cm.   aControl Engineering  aAutomatic Control Engineering  aSatellite based augmentation system   aInstitute of Navigation   aand Global Positioning System