Space Telemetry Systems

  title={Space Telemetry Systems},
  author={Wayne E. Williams},
  journal={Proceedings of the IRE},
This paper presents some of the problems which are faced in the field of space telemetry, and gives a few examples of the approaches used in attempts to solve these problems to date. The different types of information to be transmitted back to receiving stations on the earth from satellites and space probes are discussed. The telemetry systems (FM/FM, FM/AM, PCM/PM, etc.) which have been used in various experiments of this type are described, along with some typical performance figures for some… Expand
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