@misc{indiciae696dfc43b39b,
  title = {Beam scanning offset Cassegrain reflector antennas by subreflector movement},
  author = {Lapean, James W., Jr. and Stutzman, Warren L.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19940024333},
  note = {Source identifier: 19940024333}
}