BackForwardInstrument:  KSEM/CM 

Instrument details
Acronym KSEM/CM
Full name Korean Space Environment Monitor / Charging Monitor
Purpose To monitor the electrostatic charge of the platform
Short description Electrometer to measure currents in the range ± 3 pA/cm2 with the resolution of 0.001 pA/cm2
Background Part of the Korean Space Environment Monitor (KSEM) together with an Particle Detector (PD) and a Magnetometer (MG)
Scanning Technique In-situ measurement in GEO
Resolution N/A
Coverage / Cycle Sampling at 1 s intervals
Mass Power Data Rate


Providing Agency KARI
Instrument Maturity Flown on operational programme
Utilization Period: 2019-03-25 to ≥2029
Last update: 2021-11-10
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
  • Field or radiowave sensor
WIGOS Subcomponents
  • Subcomponent 1
  • Magnetometer at GEO
Mission objectives
Secondary mission objectives
  • Electrostatic charge
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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
Electrostatic charge3 - highNo specific limitation.Platform. Electrostatic charge