@inproceedings{hsu_chiu_golubev_phelts_2008, 
  title={Test results for the WAAS Signal Quality Monitor}, 
  DOI={10.1109/plans.2008.4570015}, 
  publisher={IEEE}, 
  author={Hsu and Chiu and Golubev and Phelts}, 
  year={2008}
  }