@misc{indiciae5c4c9f98b718,
  title = {The Spectrum Orbit Utilization Program (SOUP) used for DBS plan analysis at RARC '83},
  author = {Davidson, J. and Ottey, H. R. and Sawitz, P. and Zusman, F. S.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850047455},
  note = {Source identifier: 19850047455}
}