BackForwardInstrument:  LP 

Instrument details
Acronym LP
Full name Langmuir probe
Purpose To determine the electron temperature, electron density, and electric potential of plasma
Short description Langmuir probe
Background Consolidated technology
Scanning Technique In-situ measurement in a drifting LEO
Resolution N/A
Coverage / Cycle N/A
Mass Power Data Rate


Providing Agency KARI
Instrument Maturity Flown on an R&D satellite
Utilization Period: 1963 to 2014
Last update: 2022-08-08
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
Primary mission objectives
  • Electron Density
  • Ionospheric plasma density
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
Electric Field4 - fairNo specific limitation.Platform. Electric field
Ionospheric plasma density*4 - fairNo specific limitation.Platform. Ionospheric plasma density
Electron Density*4 - fairNo specific limitation.Platform. Electron density
Electrostatic charge3 - highNo specific limitation.Platform. Electrostatic charge