BackForwardInstrument:  GEOS&R  

Instrument details
Acronym GEOS&R
Full name Geostationary Search and Rescue
Purpose To relay distress signals from users in difficulty to search and rescue centres
Short description Transponder of signals from ground-based beacons transmitting emergency message and information on location at 406 MHz. Messages and information on location are relayed to Local User Terminals for re-addressing to a control centre that activates the appropriate rescue organisation
Background Part of the international COSPAS/SARSAT Search & Rescue system agreed by Canada, France, Russia and USA and subscribed by further 37 States and 2 Organisations
Scanning Technique N/A
Resolution N/A
Coverage / Cycle Continuous in the field of view of the GEO satellite
Mass Power Data Rate


Providing Agency NOAA
Instrument Maturity Flown on operational programme
Utilization Period: 1994 to 2046
Last update: 2020-07-12
Detailed characteristics
Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Instrument classification
  • Other payload component
  • Search and Rescue system
WIGOS Subcomponents No WIGOS subcomponents have been defined.
Mission objectives
No mission objectives have been defined.
Evaluation of Measurements

The following list indicates which measurements can typically be retrieved from this category of instrument. To see a full Gap Analysis by Variable, click on the respective variable.

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Note: * Primary mission objective.