XML Specification for Navigation Data Messages - CCSDS

DRAFT XML SPECIFICATION FOR NAVIGATION DATA MESSAGES
4.4 THE STANDARD NDM/XML HEADER SECTION
The NDMs share a standard header format, with tags and . After the
tag the message may have any number of tag pairs.
The standard NDM header shall contain the and the
tags. The rules for these keywords are specified in references [1], [2], and [3].
This is the common NDM/XML header
I can put as many comments here as I want, including none.
2004-281T17:26:06
AGENCY-X
4.5 THE NDM BODY SECTION
4.5.1 GENERAL
After coding the , the instantiation must include a tag pair.
Inside the tag pair must appear at least one
tag pair. Each segment must be made up of one or more and
tag pairs.
4.5.2 THE NDM METADATA SECTION
All NDMs must have a metadata section. The metadata section shall be set off the by the
tag combination. Between the and
tags, the keywords shall be the same as those in the metadata sections in the
reference documents (reference [1], [2], and [3]), with exceptions as noted in the subsections
below on creating instantiations of the specific messages.
4.5.3 THE NDM DATA SECTION
All NDMs must have a data section. The data section shall follow the metadata section and
shall be set off the by the tag combination. Between the and
tags, the keywords shall be the same as those in the data sections in the reference
documents (references [1], [2], and [3]), with exceptions as noted in the subsections below on
creating instantiations of the specific messages.
CCSDS 505.0-R-2 Page 4-3 June 2009