@conference{3819,
  author = {J. Yao and Judah Levine},
  title = {Long-term GPS carrier-phase time transfer noise: A study based on seven GPS receivers at NIST},
  year = {2016},
  publisher = {IEEE},
  address = {New Orleans, LA, USA},
  url = {http://ieeexplore.ieee.org/document/7546777/},
  doi = {10.1109/FCS.2016.7546777},
}