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GOES-R Unique Payload Services (UPS)
The GOES-R Unique Payload Services suite consists of transponder payloads providing communications relay services in addition to the primary GOES mission data.  The UPS suite consists of the Data Collection System (DCS), the High Rate information Transmission / Emergency Managers Weather Information Network (HRIT/EMWIN), GOES-R Rebroadcast (GRB), and the Search and Rescue Satellite Aided Tracking (SARSAT) System.
GOES-R Rebroadcast (GRB)

GOES-R Rebroadcast is the primary space relay of Level 1b products and will replace the GOES VARiable (GVAR) service.  GRB will provide full resolution, calibrated, navigated, near-real-time direct broadcast data. 

The content of the data distributed via GRB service is envisioned to be the full set of Level 1b products from all instruments onboard the GOES-R series spacecraft. This concept for GRB is based on analysis that a dual-pole circularly polarized L-band link of 12 MHz bandwidth may support up to a 31-Mbps data rate – enough to include all ABI channels in a lossless compressed format as well as data from GLM, SUVI, EXIS, SEISS, and MAG.  Learn More about GOES-R Rebroadcast.

IMAGE:  COSPAS-SARSAT System Overview
Image courtesy of the NOAA/NESDIS Office of Systems Development
Data Collection System (DCS)

The Data Collection System is a satellite relay system used to collect information from Earth-based data collection platforms that transmit in-situ environmental sensor data, such as stream or river flow, tide-levels, weather conditions, etc.  The transmissions can occur on predefined frequencies and schedules, in response to thresholds in sensed conditions, or in response to interrogation signals.  The transponder on board the GOES satellite detects this signal and then rebroadcasts it so that it can be picked up by other ground-based equipment.  Federal, state and local agencies then monitor the environment through the transmission of observations from these surface-based data collection platforms.  The platforms can be placed in remote locations and left to operate with minimal human intervention. The Data Collection System thus allows for more frequent and more geographically complete environmental monitoring.  Enhancements to the DCS program during the GOES-R era include expansion in the total number of user-platform channels from 266 to 433.

For more information about the DCS visit the NOAA DCS web page.
Emergency Managers Weather Information Network (EMWIN)

The Emergency Managers Weather Information Network (EMWIN) is a direct service that provides users with weather forecasts, warnings, graphics, and other information directly from the National Weather Service (NWS) in near real time. The GOES EMWIN relay service is one of a suite of methods to obtain these data and display the products on the user’s personal computer. The HRIT service provides broadcast of low-resolution GOES satellite imagery data and selected products to remotely located user HRIT Terminals.

For more information concerning HRIT/EMWIN, please see the HRIT/EMWIN web page in the User Community section of this website.

Search and Rescue Satellite Aided Tracking (SARSAT)

IMAGE:  COSPAS-SARSAT System Overview
As an integral part of the international search and rescue satellite program called COSPAS-SARSAT, NOAA operates the Search and Rescue Satellite Aided Tracking (SARSAT) System to detect and locate mariners, aviators, and other recreational users in distress almost anywhere in the world at anytime and in almost any condition. This system uses a network of satellites to quickly detect and locate distress signals from emergency beacons onboard aircraft, vessels, and from handheld personal locator beacons called PLBs. The SARSAT transponder that will be carried onboard the GOES-R satellite will provide the capability to immediately detect distress signals from emergency beacons and relay them to ground stations - called Local User Terminals. In turn, this signal is routed to a SARSAT Mission Control Center and then sent to a Rescue Coordination Center which dispatches a search and rescue team to the location of the distress.

GOES-R continues the legacy Geostationary SAR (GEOSAR) function of the SARSAT system onboard NOAA’s GOES satellites which has contributed to the rescue of thousands of individuals in distress. The SARSAT transponder will be modified slightly for GOES-R by being able to operate with a lower uplink power (32 dBm) enabling GOES-R to detect weaker signal beacons. 

In 2013, 261 people were rescued from life-threatening situations throughout the United States and its surrounding waters by the SARSAT system. For more information about SARSAT, visit the NOAA SARSAT web site and the NASA SAR Mission Office web site.

For more information about the international COSPAS-SARSAT Program click here.
 
 
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