Attitude Determination of Cube-Satellite using Multiple GPS AntennasYonghwan Bae, Hanjoon Shim, Sunkyong Yu, Donguk Kim, O-Jong Kim, Changdon KeeProceedings of ISGNSS 2019 in conjunction with IPNT Conference of the Institute of Positioning, Navigation, and Timing (IPNT), Jeju, Korea, October 2019 2019