@misc{indiciae4764e7d7e0fc,
  title = {Satellite voice broadcast. Volume 2: System study},
  author = {Bachtell, E. E. and Bettadapur, S. S. and Coyner, J. V. and Farrell, C. E.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19860015405},
  note = {Source identifier: 19860015405}
}