BS ISO 12171:2002

1 INTRODUCTION
   1.1 Purpose and Scope
   1.2 Applicability
   1.3 Bit Numbering Convention and Nomenclature
   1.4 References
2 TELECOMMAND CHANNEL SERVICE OVERVIEW
3 CODING LAYER: STANDARD DATA STRUCTURES AND
   PROCEDURES
   3.1 Overview of the Coding Layer
   3.2 Standard Data Structures within the Coding
        Layer
   3.3 Standard Procedures within the Coding Layer
4 PHYSICAL LAYER: STANDARD DATA STRUCTURES AND
   PROCEDURES
   4.1 Overview of the Physical Layer
   4.2 Standard Data Structures within the Layer
   4.3 Standard Procedures within the Layer
ANNEX A CHANNEL SERVICE ACRONYMS AND TERMINOLOGY
ANNEX B CHANNEL SERVICE SPECIFICATION
ANNEX C INFORMATIVE REFERENCES
Figures
Tables

Defines common requirements for specifying the systems architecture of a spacecraft telecommand channel service. Provides a common framework within which space agencies may implant compatible future spacecraft telecommanding systems.