Excerpt

The purpose of a telemetry system is to reliably and transparently convey measurement information from a remotely located data-generating source to users located in space or on Earth. Typically, data generators are scientific sensors, science housekeeping sensors, engineering sensors, and other subsystems aboard a spacecraft.

In the past, most of the telemetry resources used by a science mission have been wholly contained within a project office and are completely dedicated to that mission. The lack of effective standardization among various missions forces the multimission tracking network to implement the lowest level of telemetry transport service, i.e., bit transport. Higher-level data delivery services, oriented more toward computer-to-computer transfers and typical of modern commercial and military networks, had to be custom designed and implemented on a mission-to-mission basis.

© 2013 Society of Photo-Optical Instrumentation Engineers (SPIE)

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