@misc{indiciae2810e068e736,
  title = {Differential Very Long Baseline Interferometry (delta VLBI) spacecraft tracking system demonstration. Part 2: Data acquisition and processing},
  author = {Christensen, C. S. and Moultrie, B. and Callahan, P. S. and Donivan, F. F. and Wu, S. C.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19810004704},
  note = {Source identifier: 19810004704}
}