THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – MEASUREMENT INSTRUMENTS
Measurements > Gravity and Magnetic Fields >
Gravity, Magnetic and Geodynamic measurements >
Magnetic field (scalar)


Measurement Definition*: [Unit of measurement – n tesla]
InstrumentStatus/
Accuracy
Instrument DescriptionMeasurement TechnologyTimeline
ASM
Absolute Scalar Magnetometer
Operational
Absolute calibration of Vector Field Magnetometer on board Swarm satellites.n/a
GGAK-E
Module for Geophysical Measurements
Operational
Monitoring and forecasting of solar activity, radiation and magnetic field in the near-Earth space, monitoring of natural and modified magnetosphere, ionosphere and upper atmosphere.n/a
GGAK-M
Module for Geophysical Measurements (SEM)
Operational
Space Environmental Monitoring (SEM), heliogeophysical.n/a
GRACE instrument
GRACE instrument
Operational
Includes BlackJack Global Positioning System (Turbo Rogue Space Receiver) and High Accuracy Inter-satellite Ranging System (aka K-band Ranging System) for Inter-satellite ranging system estimates for global models of the mean and time variable Earth gravity field.n/a
Magnetometer (NOAA)
Magnetometer
Operational
 n/a
Overhauser Magnetometer
OM
Operational
Measurements of the strength of the Earth's magnetic field.n/a
PlasMag
Plasma-Magnetometer
Operational
Magnetometer and plasma sensor to measure solar wind properties for forecasting geomagnetic storms. The Plasma-mag instrument comprises a Faraday Cup (measures solar wind) and a Fluxgate Magnetometer, as well as two space weather instruments: the Electron Spectrometer and the Pulse Height Analyzer.n/a
SEM (GOES)
Space Environment Monitor
Operational
Used for equipment failure analysis, solar flux measurement, solar storm warning, and magnetic and electric field measurement at satellite.n/a
SEM (POES)
Space Environment Monitor
Operational
Used for equipment failure analysis, solar flux measurement, solar storm warning, and magnetic and electric field measurement at satellite.n/a
SSM
Special Sensor Magnetometer
Operational
Measures geomagnetic fluctuations associated with solar geophysical phenomena. With SSIES and SSJ provides heating and electron density profiles in the ionosphere.n/a
GGAK-VE
Module for Geophysical Measurements
Approved
Monitoring and forecasting of solar activity, radiation and magnetic field in the near-Earth space, monitoring of natural and modified magnetosphere, ionosphere and upper atmosphere.n/a
Advanced GGAK-M
Advanced Module for Geophysical Measurements (SEM)
Proposed
Space Environmental Monitoring (SEM).n/a
MAG
Magnetometer
Proposed
 n/a
* Description adapted from WMO.
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