BackForwardInstrument:  GALS/1 

Instrument details
Acronym GALS/1
Full name Galactic cosmic ray spectrometer / 1
Purpose Spectroscopy of the components of galactic cosmic rays
Short description Description not available. Presumably, spectroscopy of protons (1-10 MeV), and ions (10-100 MeV/n with Z from 2 to 26)
Background Part of the instrument package carried by 4 satellites of the 5-satellite Ionozonde constellation
Scanning Technique Magnetosphere scanned by a cluster of four satellites in sunsynchronous orbit
Resolution N/A
Coverage / Cycle Full ionospheric volume
Mass Power Data Rate


Providing Agency Roscosmos
Instrument Maturity Flown on an R&D satellite
Utilization Period: ≥2022 to ≥2025
Last update: 2017-06-27
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 No WIGOS subcomponents have been defined.
Mission objectives
Primary mission objectives
  • Alpha particles differential directional flux
  • Heavy ion flux energy and mass spectrum
  • Proton differential directional flux
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Tentative 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
VariableRelevance for measuring this variableOperational limitationsExplanation
Proton differential directional flux3 - highNo specific limitation.Interplanetary space, medium and high energy (over 40 to over 1000 keV)
Alpha particles differential directional flux2 - very highNo specific limitation.Interplanetary space. Energy range of major interest (over 10 up to 100 MeV/n)
Heavy ion flux energy and mass spectrum4 - fairNo specific limitation.Interplanetary space. Energy range of major interest (over 10 up to 100 MeV/n)