• Extend life cycle and utility of ground systems through capability enhancements and technology refreshes.
  • Complete and deliver early enterprise elements to support legacy and next generation ground systems.
  • Implement IT security and mission assurance.
  • Control systems assets through configuration and document management.
  • Manage risk for ground systems to assure high-performance operations and reliable data and product availability.
  • Pursue opportunities to achieve cost avoidance.

GOES Ground Segment

Geostationary Operational Environmental Satellites (GOES) Overview

The GOES satellite system has a geosynchronous orbit about 22,300 miles above the earth. The first satellite of the GOES system was launched in December 1966. The GOES system now consists of three operational satellites. GOES provides atmospheric triggers for severe weather conditions such as tornadoes, flash floods, hailstorms, and hurricanes. The satellite imagery is also used to estimate rainfall during thunderstorms and hurricanes for flash flood warnings, as well as to estimate snowfall accumulations and overall extent of snow cover.

Learn more about the GOES Satellites

POES Ground Segment

Polar-orbiting Operational Environmental Satellites (POES)

The POES satellite system provides visible, infrared, and microwave data for a variety of applications such as cloud and precipitation monitoring, determination of surface properties, and humidity profiles. POES makes polar orbits14 times per day, approximately 520 miles above the surface of the Earth, allowing daily global coverage. The first satellite of the system was launched in April 1960 and consists today of five operational satellites.

Learn more about the POES Satellites

JASON-2 Ground Segment

GJASON-2/Ocean Surface Topography Mission (OSTM)

The Jason-2/OSTM is a follow-on satellite to the Jason-1 launched in June 2008. Jason-2 makes a circular non-sun-synchronous orbit with a 9.9-day repeat observation cycle, about 830 miles above the earth. The Jason-2 has several onboard instruments that provide information on the topography of the surface of the ocean. The main instrument is a radar altimeter that maps sea surface height in order to determine global sea-level rise, ocean currents, wind speed, ocean circulation, and other ocean-related altimetry products. Jason-3, which was launched in July 2015, will succeeded Jason-2.


Antenna Infrastructure Sustainment Project (AISP)

Ground systems antennas, Low Earth Orbiting Tracker (LEO-T) or Geostationary Tracker (GT), are the quintessential element of the NOAA NESDIS infrastructure. All command data to and sensing data from every satellite mission pass through this critical part of the ground system. The NOAA NESDIS antenna infrastructure includes 12 LEO-T, 14 GT, and 12 Fixed positioned. The NOAA NESDIS antennas range in size from 1.2M to 26M in diameter to determine global sea-level rise, ocean currents, wind speed, ocean circulation, and other ocean-related altimetry products. Jason-3 which was launched in July 2015, will succeeded Jason-2.

All NOAA NESDIS antennas are part of the antenna infrastructure refresh (AIR) process that not only assures basic mission sustainment but also extends the systems' life expectancy. Several of NOAA's antennas have been operating for nearly 50 years and all are operating beyond the normal and customary 20-year life to provide an optimum value to the US taxpayer.

To extend the serviceable life of earth terminal equipment, major maintenance or periodic overhaul is required. Major maintenance entails maintenance that is considered too extensive or of much greater scope than can be accomplished by the operations personnel.

Today, six new GTs are planned for GOES-R and three Fixed to support the GOES Data Collection System (DCS).



NESDIS Environmental Satellite Processing and Distribution Services (ESPDS)

To support satellite missions, the Environmental Satellite Processing Center (ESPC) in OSPO provides ingest of telemetry data from geostationary and polar orbiting systems and satellite product generation and distribution services. The ESPDS is ESPC’s next generation system for the delivery of these services using an enterprise approach across the various architectural segments. The objective is to evolve the ESPDS into an integrated enterprise ground system capable of meeting technical and performance requirements of future and current satellite ground processing systems.


Comprehensive Large Array-data Stewardship System (CLASS)

The CLASS system supports all NOAA missions and goals, and supports NOAA’s crosscutting priority to provide an integrated data environment and data management system for NOAA. CLASS is NOAA's premiere on-line facility for the distribution of data products and derived data from NOAA’s satellite systems, including NOAA’s polar-orbiting and geostationary environmental satellite systems and their follow-on programs.

  • Environmental Data from Polar-orbiting Satellites
  • Environmental Data from Geostationary Satellites
  • Defense Meteorological Satellite Program (DMSP)
  • Suomi National Polar-orbiting Partnership (NPP)
  • Sea Surface Temperature data (SST)
  • Altimetry / Sea Surface Height Data (JASON)
  • Global Navigation Satellite Systems (GNSS)
  • Other - Miscellaneous products in CLASS


Satellite Products and Review

NESDIS Satellite Products and Services Review Board (SPSRB)

NOAA’s Satellite and Information Service (NESDIS) develops and distributes environmental satellite data products and services for all NOAA line offices as well as for a wide range of Federal Government agencies, international users, state and local governments, and the general public. The environmental satellite data products and services include meteorological, climatic, terrestrial, oceanographic, and solar-geophysical areas.

The NESDIS Satellite Products and Services Review Board (SPSRB) is responsible for the oversight and guidance necessary to effectively manage the product life cycle process from product development, transition into operations, enhancements, and retirement.