1. NPOESS Capabilities and Requirements (National Polar-orbiting Operational Environmental Satellite System)Rob BassettNOAA Satellites and Information Service21 October 2003

2. National Polar-orbiting Operational Environmental Satellite System • 2009-2019 …. Timeframe • Converges Civil and Defense Satellite Requirements • Leverages International Cooperation • Opportunity for Argos Instrument Enhancements

3. Two Polar-orbiting Systems DMSP (Defense Meteorological Satellite Program) • Currently • F-14 Launched December 1994 • F-15 Launched December 1999 • F-16 Planned for May 2003 POES (Polar-orbiting Operational Environmental Satellite) • First Launched April 1, 1960 • Currently • NOAA-15 Launched May 1998 • NOAA-16 Launched Sep 2000 • NOAA-17 Launched Jun 2002

4. DMSP/POES NPOESS METOP DMSP 0830 1330 0930 0530 POES Local Equatorial Crossing Time DMSP Tomorrow (2005) • 4-Orbit System • 2 US Military • 1 US Civilian • 1 EUMETSAT/METOP Evolution U.S. civil and defense programs, working in partnership with EUMETSAT, will ensure improved global coverage and long-term continuity of observations at less cost! METOP POES Today • 4-Orbit System • 2 US Military • 2 US Civilian NPOESS DMSP NPOESS 0730 0530 1330 1330 0930 0830 0530 POES SpecializedSatellites LocalEquatorialCrossingTime Local Equatorial Crossing Time DMSP NPOESS Future (2008-2018) • 3-Orbit System • 3 US Converged • 1 EUMETSAT/METOP • Specialized Satellites

5. NPOESS Payloads NPOESS Instruments TBD METOP NPP 0930 1730 2130 1330 1030 IPO Developed Visible/IR Imager Radiometer Suite (VIIRS)* X X X X (AVHRR) X Cross-track IR Sounder (CrIS)* X X X (IASI/HIRS) X Conical MW Imager/Sounder (CMIS)* X X X Ozone Mapper/Profiler Suite (OMPS) X X (GOME) X GPS Occultation Sensor (GPSOS) X X (GRAS) Space Environmental Sensor Suite (SESS) X X (SEM) Aerosol Polarimetry Sensor (APS) X Leveraged Advanced Technology MW Sounder (ATMS)* X X X (AMSU/MHS) X ARGOS-Data Collection System (A-DCS) X X X Search and Rescue (SARSAT) X X X X Earth Radiation Budget Sensor (ERBS) X Total Solar Irradiance Sensor (TSIS) X Radar altimeter (ALT) X Advanced Scatterometer (ASCAT) X * Critical instrument - Failure constitutes need to replace satellite

6. TDRSS GPS Space Segment 1330 NPP Residual Satellites 1730 2130 ADCS Launch Support Segment SARSAT Field Terminal Segment CLASS Supplied by NOAA Supplied by NASA ADS SDS NAVO FNMOC AFWA NESDIS Data Handling Node Front End Processor Interface Data Processing Segment NPOESS Segment Architecture Svalbard Primary T&C NPP SMD WSCLEO&A Backup T&C 15 Globally Distributed Receptor Sites MMC at Schriever Alternate Operations Team MMC at Suitland Flight Operations Team C3 Segment

7. DCS Requirements Identification • Argos • User Surveys • 1995 requirements flying in 2008 / NOAA N’ • User Group Conferences • DBCP • International Argos Users Conference March 2001 • User Visits • Transmitter Manufacturers • Universities • Ocean U.S.

9. Argos User Role • Document Anticipated Requirements • All Satellite Data Telemetry • Submit Requirements Matrix • Organization • Country • DBCP Action Group • Contact: • Robert.Bassett@noaa.gov • Christopher.Oconnors@noaa.gov