JASON2 Status in NOAA

1
JASON2 Status in NOAA

• Gary Petti
• Office of Satellite Data Processing and
  Distribution

2
JASON2 Mission

• 4-party Agreement between NOAA, NASA (JPL), CNES,
  and EUMETSAT Identifies Roles and
  Responsibilities (in an MOU)
• NOAA
• Command and Control of Satellite
• Wallops Fairbanks CDA Ground Stations
• Operational Data Processing
• Operational Offline Data Distribution
• Archive
• EUMETSAT
• Usingen Ground Station
• Operational Data Processing
• Operational Data Distribution
• CNES
• PROTEUS Satellite Bus
• Command and Control of Satellite
• (before handover to NOAA)
• Poseidon-3 Altimeter
• DORIS orbit determination system
• Science Data Processing
• Offline Data Distribution

3
JASON2 Sensors

• CNES
• Poseidon-3 (C and KU Band) Dual Frequency RADAR
  Altimeter
• DORIS Doppler Orbitography and
  Radiopositioning Integrated by Satellite
• T2L2 Time Transfer by Laser Links Compare
  distant clocks and aid in characterization of
  DORIS noise
• LPT Light Particles Telescope (Japan)
  Radiation in Satellite Environment
• Carmen-2 Environment Characterization and
  Modelization Radiation in the Satellite
  Environment
• NASA
• AMR Advanced Microwave Radiometer
• LRA LASER Retroreflector Array
• GPSP Global Positioning System Payload

4
JASON2 Status

• Launch Scheduled for June 15 2008 from Vandenberg
• NOAA
• Command and Control In place
• Operational Data Processing Under development
• Operational Distribution Under development
• Archive by CLASS Initial support testing begin
  Jan. 2008
• EUMETSAT
• Operational Data Processing Under development
• Operational Distribution Under development
• CNES
• Poseidon Altimeter Completed, Mated to S/C
• Science Data Processing System Under development
• Payload instrument integration occurred December
  2006 June 2007
• Satellite assembly, integration, test June 2007
  to January 2008
• NASA (JPL)
• AMR Completed Mated to S/C
• Launch Services (Delta ll 7320) Scheduled

5
JASON2 Products

• Operational Geophysical Data Record (OGDR)
• Produced by NOAA and EUMETSAT within 3 hours of
  observation
• Native NetCDF format as well as OGDR-BUFR format
• Operational Distribution from DDS
• Orbit computed onboard from DORIS to 10 cm
• Ground contact based files (products)
• Interim Geophysical Data Record (IGDR)
• Produced by CNES within 1-2 days
• Segmented by passes (half orbital revs)
• NetCDF format
• 2.5 cm orbit accuracy
• Geophysical Data Record (GDR)
• Produced by CNES within 60 days
• Cycle (10-days) based pass segmented
• NetCDF format
• 1.5 cm precise orbit
• O/I/GDR Contents
• Sea Surface Height
• Wind speed

6
JASON2 Schedule

• Launch June 15, 2008 from Vandenberg
• 1 month Orbit Acquisition instrument checkout
• Cycle 1 begins July 16, 2008
• 5 months NRT Verification
• NRT Data Distribution by NOAA EUM begins Dec,
  2008
• Do operational users want first 5 months of the
  NRT data reprocessed with final
  algorithms/software?
• 5 more months Offline Verification
• Offline data Distribution May 2009
• Project begins using final algorithms at this
  time