@misc{indiciae5a149f627cc1,
  title = {Estimating Total Electron Content Using 1,000+ GPS Receivers},
  author = {Komjathy, Attila and Mannucci, Anthony},
  year = {2006},
  url = {https://ntrs.nasa.gov/citations/20100014169},
  note = {Source identifier: 20100014169}
}