ULYSSES
Ulysses HISCALE Data Analysis Handbook
Table 2.6 ISPM SFDU primary header format
BITS
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | ||
DATA UNIT SPECIFICATION | START OF MESSAGE POINTER | ||||||||||||||||
CONTROL AUTHORITY | SYSTEM CLASS | SECONDARY HEADER ID | |||||||||||||||
MESSAGE UNIT CLASSIFICATION |
Table 2.7 ISPM SFDU primary header
WORD | BITS | DESCRIPTION |
1 | 0-3 | Label Version Number - Indicates the
version of standard formatted data unit (SFDU) 0001 = Base Version Code (constant for ISPM) |
1 | 4-5 | Character Set - Indicates the
character representation used within this record. 00=Binary Type (constant for ISPM) |
1 | 6-7 | Unit Structure Type - Globally
defines the gross structural characteristics of the
data unit. 00=(constant for ISPM) |
1 | 8-15 | Start of Message Pointer - Number of bytes from beginning of header to first byte of data |
1 | 16-21 | Control authority - Institution
controlling the contents of the remainder of the
data unit. 00101=NASA-JPL (constant for ISPM) |
1 | 22-26 | System Classification - Local system
responsible for creating the secondary header. 00010=Telemetry (DACS) 00011=Data Records System (DRS) |
1 | 27-31 | Secondary Header
Identifier - Identifies the secondary header type as
the JPL standard telemetry header. 00010=ISPM (constant for ISPM) |
2 | 0-15 | Message Unit Classification - Total length of this record in bytes |
Table 2.8 ISPM SFDU secondary header format
BITS-->
WORD | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | ||||
2 | ORIGINATOR ID | LAST MODIFIER ID | ||||||||||||||||||
3 | MAJOR/MINOR DATA CLASS | |||||||||||||||||||
4 | SPACECRAFT EVENT TIME | |||||||||||||||||||
5 | EARTH RECEIVED TIME | |||||||||||||||||||
6 | SEQUENCE REFERENCE NUMBER |
|
||||||||||||||||||
7 | MISSION ID SOURCE ID |
SPACECRAFT ID FORMAT |
||||||||||||||||||
8 | TERTIARY HEADER IDENTIFIER | NUMBER OF GROUPS | ||||||||||||||||||
9 | APPENDED POINTER | |||||||||||||||||||
10 | SPACECRAFT |
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Return to Ulysses HISCALE Data Analysis Handbook Table of Contents
Updated 8/8/19, Cameron Crane
QUICK FACTS
Manufacturer:
ESA provided the Ulysses spacecraft, NASA provided the power
supply, and various others provided its instruments.
Mission End Date: June 30, 2009
Destination: The inner heliosphere of the sun away from the ecliptic plane
Orbit: Elliptical orbit transversing the polar regions of the sun outside of the ecliptic plane
Mission End Date: June 30, 2009
Destination: The inner heliosphere of the sun away from the ecliptic plane
Orbit: Elliptical orbit transversing the polar regions of the sun outside of the ecliptic plane