BackForwardInstrument:  KSEM/CM 

Instrument details
Acronym KSEM/CM
Full name Korean Space wEather 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 <0.01 pA/cm2
Background Part of the Korean Space wEather 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 to 2029
Last update: 2024-01-16
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 No WIGOS subcomponents have been defined.
Mission objectives
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
Electrostatic charge3 - highNo specific limitation.Platform. Electrostatic charge