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Spacecraft Telecommand: Published standards

The Consultative Committee for Space Data Systems (CCSDS) publishes recommended standards (Blue Books) for spacecraft telecommand. The standards define protocols, procedures and data structures, including the TC Transfer Frame. The recommended standards have been adopted by many space agencies including NASA.

The current CCSDS documents can be downloaded from their website at http://public.ccsds.org/.  The CCSDS site also provides a link to the registry of the Space Assigned Numbers Authority. The ECSS website is at www.ecss.nl.

CCSDS recommended standards for telecommand space data links

plus related standards:

CCSDS original recommendations

The CCSDS original recommendations for packet telecommand are now obsolete (silver status):

The original recommendations have some differences, for example in presentation and technical terms, but the major technical content is similar to the current recommended standards.

ESA Standards and ECSS

The telecommand standards of the European Cooperation for Space Standardization (ECSS) and the European Space Agency (ESA) are based on the CCSDS recommended standards:

The ECSS standards replace the earlier ESA standards:

I B + M A de Lande Long Software + Consultancy has many years of background experience with the definition of the CCSDS and ESA standards. We provided support for the development of the telecommand standards for ECSS.

CCSDS informational reports

CCSDS publishes informational reports (Green Books) which provide additional information and explanation.  The Green Books relevant to telecommand include:


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