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Instrument details
Acronym
SEM/SSM
Full name
SESS / Special Sensor Magnetometer
Purpose
Measurement of geomagnetic fluctuations associated with solar geophysical phenomena (i.e., ionospheric currents flowing at high latitudes)
Short description
Triaxial fluxgate magnetometer. Dynamic range: ±4 to ±65536 nT, resolution ±2 nT @ maximum of dynamics
Background
Part of the SEM (Space Environment Monitor) package
Scanning Technique
In-situ measurement in a sunsynchronous orbit
Resolution
N/A
Coverage / Cycle
Sampling at 0.08 s intervals
Mass
Power
Data Rate
Providing Agency
DoD
Instrument Maturity
Flown on operational programme
Utilization Period:
1984-02-18 to 1988-05-16
Last update:
2017-04-23
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
Secondary mission objectives Electron Density Ionospheric plasma density Show all Show fewer
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
Variable Relevance for measuring this variable Operational limitations Explanation
Geomagnetic field 3 - high No specific limitation. Platform, vectorial, wide dynamics, coarse resolution
Ionospheric plasma density 4 - fair No specific limitation. Platform. Ionospheric plasma density
Electron Density 4 - fair No specific limitation. Platform. Electron density
Instrument: SEM/SSM