Section 5 Part 4 Ground System

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Section 5 - Part 4Ground System
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Data Collection Event (DCE) Requirements

Scenes Over Typical Scenes Instrument Science
Mission Per DCE ALI 1,000 1 Hyperion 6,000 6 AC 1,
000 1

• Generally, all three instruments will be
  collecting data simultaneously, but separate
  operations are possible
• Typically, three DCEs per day will be required
• Approximately 12 Gbits per DCE

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Ground System Science Data Processing
Requirements Summary

• GSFC to receive and process data sent from the
  ground station
• Perform Level 0 processing on the science data
• Fill Holes, reorder science into band order
• Archive raw and processed data
• Ship Level 0 science data to
• The Science Validation Facility (SVF)
• Hyperion Operations and Processing Center (HOPC)
  -- TRW / Stennis

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EO-1 Ground System and Data Flow Science
Validation Phase (Launch 2 month to Launch 12
months)
Science Working Group Lead
Coord Committee - SWG Lead - Stennis Lead
- Commercial - Education Outreach -
Other Agencies
ALI, AC, Hyperion scene requests
WARP Playback Science State of Health
Mission Operations Center (MOC) at GSFC
(building 14 rm N285)
Policy
Real-time Telemetry Launch Support

• RT State of Health - VC0
• Playbck State of Health
• Post Pass - VC1
• Significant Events - VC2

• Core Ground System (CGS)
• Command and control
• Health and Safety monitoring
• Trending
• Command Management Sys
• S-Band Science Data Processing
• Data Processing System (DPS)
• X-Band Science Data Processing
• Level 0
• Mission Ops Planning Scheduling
• System (MOPSS)
• Planning and Scheduling
• Flight Dynamics System (FDS)
• Orbit
• Attitude

Schedule conflicts
TDRSS/ WSC
Orb and Att Data
Hyperion scene requests
EO-1 Mission Science Office
X and S Band Playback Real-time Telemetry Command
Tables Memory Loads Commands Landsat 7 State
Vectors
EO-1 Science Scheduling Plan
X or S Band Playback
Rate Buffer Housekeeping Playback

• Science Planning

Real-time Telemetry and Command
Doppler / Angles
EO-1 Science Validation Facility
Spitzbergen (Prime)
Level 0 Data by DLT
Real-time Telemetry
NASA Integrated Services Network (NISN)

• Level-1 Processing - Radiometric
  - Atmospheric
• Data Archive
• Data Distribution
• Image Assessment
• Calibration

Level 0 data by DLT
Orbit predicts
Formation Flying Coordination
Landsat 7 State Vectors
SSC (Mississippi)
Alaska, Wallops (Backup / Launch)

• Process Hyperion level 1 data higher
• Commercialization planning

Landsat 7 MOC at GSFC
X or S Band Playback
Hyp Level 1 Data
Hyp scene requests
McMurdo (Launch / Maneuvers)
Other Agencies
MS Pan, AC level 0 and Level 1 Data
TRW - Eng Sup
SSC S, X band (Tach Demo and Launch / Backup)
Hyp scene requests
Commercial
Hyp scene requests
Hyperion level 0 and level 1 data

• MS/PAN scenes
• AC scenes
• Landsat/EO-1 paired scenes

Hyperion level 1 data higher by tape or CD
Educational
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EO-1 Integrated Image Timeline
IMAGING
Biasing Wheels
Zeroing Bias (Opt)
Nadir Slew (Opt)
Slew
Hold
Track
Track
Ramp
Stopped
Off
Operate
Off
Image
Operate
Idle
Standby
Idle
Standby
Cover Open
Cover Close
Lamp Ops
Image (2s ea. Side)
Dk / Lamp Cal
Idle
Active
Idle
Cover Open
Cover Close
Lamp Ops
Lamp Cal
Dark Cal
Dark Cal
Img
Standard Operations
SCI Collect
Std Ops
-660 -540 -420 -300 -180 -60 60 180 Time
(Seconds)
27 Sec.
27 Sec.
0
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EO-1 Ground System Operations Key Documents

• EO-1 Data Management Plan 7/98
• EO-1 Ground System Design Review (SDR) / Mission
  Operations Review (MOR) 11/97
• EO-1 Ops Concept 10/98
• Detailed Mission Requirements (DMR) 7/98
• EO-1 Space to Ground ICD 9/98
• EO-1 Mission Operations Center (MOC) to Science
  Validation Facility ICD 7/98
• EO-1 ICD for Radiometric Calibration Processing
  and Performance Assessment 2/98
• Mission Operations Support Plan 11/98
• Mission Procedure Document 1/99

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EO-1 Ground System OperationsKey Events

• Ground Release 1
• Core Ground System (ASIST) 6/98
• MOPSS 7/98
• FDS 7/98
• DPS 8/98
• MOC Facility ready 10/30
• Slipped due to delay of Wind/Polar giving up
  their facility
• Delta Mission Operations Review (MOR) 1/99
• Ground Release 2 Approx. 1/99
• Launch Overflow Facility ready 6/99
• Ground Release 3 Approx. 7/99
• Operational Readiness Review 11/99

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