@misc{indiciae023beb725644,
  title = {Multi-GNSS Operations and Research at JPL},
  author = {Liu, Zhen and Bertiger, Willy and Sibthorpe, Ant and Moore, Angelyn W.},
  year = {2021},
  url = {https://ntrs.nasa.gov/citations/20230004913},
  note = {Source identifier: 20230004913}
}