BackForwardInstrument:  GGAK-M/KGI-4C 

Instrument details
Acronym GGAK-M/KGI-4C
Full name GGAK-M / Radiation Monitoring System
Purpose Monitoring fluxes of electrons and protons in the platform environment
Short description Particle counters to measure: total proton flux with threshold energy of: 5, 15, 25, 30 and 40 MeV; total electron flux with threshold energy of: 0.17, 0.7, 1.7, 2.0 and 3.2 MeV; proton fluxes with threshold energies of: 25 and 90 MeV
Background Part of the GGAK-M (Geophysical Monitoring System Complex for Meteor-M) package, previously flown on Meteor-3M
Scanning Technique N/A (in-situ measurement in the platform environment)
Resolution N/A
Coverage / Cycle N/A
Mass 12 kg Power 6.8 W Data Rate


Providing Agency Roscosmos
Instrument Maturity Flown on operational programme
Utilization Period: 2002 to 2006
Last update: 2020-03-02
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
  • Solar and space environment monitors
  • Energetic particle spectrometer
WIGOS Subcomponents
  • Subcomponent 1
  • In-situ plasma probes, and energetic particle spectrometers and magnetometers at GEO and LEO, and magnetic field at GEO
  • Electron sensor at LEO
  • Proton sensor at LEO
Mission objectives
Primary mission objectives
  • Electron integral directional flux
  • Proton integral directional flux
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.

Note: table can be sorted by clicking on the column headers
Note: * Primary mission objective.
VariableRelevance for measuring this variableOperational limitationsExplanation
Electron integral directional flux*5 - marginalNo specific limitation.Platform environment, medium and high energy (over 40 to over 400 keV)
Proton integral directional flux*5 - marginalNo specific limitation.Platform environment, high energy (over 1000 keV)