@misc{indiciaef64538cfc1da,
  title = {Software Defined GPS Receiver for International Space Station},
  author = {Duncan, Courtney B. and Robison, David E. and Koelewyn, Cynthia Lee},
  year = {2011},
  url = {https://ntrs.nasa.gov/citations/20110015603},
  note = {Source identifier: 20110015603}
}