BackForwardInstrument:  IPEI 

Instrument details
Acronym IPEI
Full name Ionospheric Plasma and Electrodynamics Instrument
Purpose Measurment of ion parameters in the ionospheric plasma
Short description Detailed description not available. Three subsystems measure the ion concentration, temperature and velocity, respectively. Assumed energy range 0,1-100 MeV/n
Background Consolidated technology
Scanning Technique Measurement integrated over a FOV of 45° x 45°
Resolution N/A
Coverage / Cycle Limited by the low-inclination satellite orbit (35°). Sampling rate ranging from 1 to 30 ms,depending on the operation mode
Mass 9.4 kg Power 10 W Data Rate 2.2 kbps


Providing Agency NSPO
Instrument Maturity Flown on an R&D satellite
Utilization Period: 1999-04-26 to 2004-06-17
Last update: 2017-08-01
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
  • Heavy ion flux energy and mass spectrum
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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
Heavy ion flux energy and mass spectrum5 - marginalNo specific limitation.Platform environment. Low-medium energy range (<10 up to 100 MeV/n)