scope:

Purpose

The purpose of this NASA Technical Handbook is to present the rationale which underlays the requirements contained in NASA-STD-4009A, Space Telecommunications Radio System (STRS) Architecture Standard, the companion document to this NASA Technical Handbook. Supporting examples and further descriptions for clarification of portions of NASA-STD-4009A are also provided. Answers prompted by questions from the Space Communications and Navigation (SCaN) Testbed partners, who created the first space implementation of STRS, are also included. As the NASA Technical Standard evolves, minor corrections and updates to obsolete information will be added to the NASA Technical Handbook. The NASA Technical Handbook is aimed at helping readers and implementers of NASA-STD-4009A understand the NASA Technical Standard.

NASA-STD-4009A provides an STRS overview, background, and detailed descriptions that might be useful to the reader not familiar with the STRS architecture.

Applicability

This NASA Technical Handbook is applicable to providing the rationale as well as additional information to NASA-STD-4009A, which is a standard for reconfigurable communication transceiver developments among NASA missions.

This NASA Technical Handbook is approved for use by NASA Headquarters and NASA Centers and Facilities. It may also apply to the Jet Propulsion Laboratory (a Federally Funded Research and Development Center (FFRDC)), other contractors, recipients of grants and cooperative agreements, and parties to other agreements only to the extent specified or referenced in their applicable contracts, grants, or agreements.

This NASA Technical Handbook, or portions thereof, may be referenced in contract, program, and other Agency documents for guidance. When it contains procedural or process requirements, they may be cited in contract, program, and other Agency documents.