Released
Dataset

CH-ME-3-MAG - CHAMP 1 Hz Combined Magnetic Field Time Series (Level 3)

Cite as:

Rother, Martin; Michaelis, Ingo (2019): CH-ME-3-MAG - CHAMP 1 Hz Combined Magnetic Field Time Series (Level 3). GFZ Data Services. http://doi.org/10.5880/GFZ.2.3.2019.004

Status

I   N       R   E   V   I   E   W : Rother, Martin; Michaelis, Ingo (2019): CH-ME-3-MAG - CHAMP 1 Hz Combined Magnetic Field Time Series (Level 3). GFZ Data Services. http://doi.org/10.5880/GFZ.2.3.2019.004

Abstract

This is a Level 3 data daily file product from various scientific and utility sensors on board of the `LEO' satellite 'CHAMP' with magnetic field data given by a time resolution of 1 Hz. Thise Level 3 data type is build to hold and merge finally corrected data, focusing on mature data calibration and corrections -- as well as internal consistency. This Level 3 data product is intended to supersede the various Level 2 versions with calibrated magnetic field readings from the CHAMP mission distributed hitherto and should be fitted for scientific use, assembling time series of scalar magnetic field values (but not directly readings from the scalar Overhauser sensor), vector magnetic field data from the boom-mounted Fluxgate 'FGM' sensors and attitude data from the ('ASC') boom-mounted Star Cameras. The vector data are given both in the satellite-bound sensor ('FGM') system and the Earth Centered Earth Fixed local 'NEC' (North-East-Center) system. The attitude time series, processed and cleaned, are represented by quaternions describing the satellite attitude related to the celestial system. The readings of the scalar OVM (Overhauser) absolute magnetometer at the top of the boom are not supplied directly, but were used during calibration of the vector magnetometer readings. The files with daily time coverage are in the (binary and self-describing) 'CDF' file format and accompanied, beside the generic 'CDF'-format timestamp, by the satellite's geocentric positions and utility information like quality flags.


The full product and format descriptions are provided in the associated Scientific Technical Report - Data (GFZ Section 2.3, 2019. http://doi.org/10.2312/GFZ.b103-19104).

Additional Information

CHAMP (CHAllenging Minisatellite Payload) was a German small satellite mission for geoscientific and atmospheric research and applications, managed by GFZ. With its highly precise, multifunctional and complementary payload elements (Overhauser scalar magnetometer (OVM) and Fluxgate vector magnetometer (FGM), accelerometer, star sensor (ASC), GPS receiver, laser retro reflector, ion drift meter) and its orbit characteristics (near polar, low altitude, long duration) CHAMP generated highly precise gravity and magnetic field measurements simultaneously for the first time and over a 10 years period. CHAMP launched by a Russian COSMOS launch vehicle on July 15, 2000 and an initial altitude of 454 km. The mission ended on September 19 2010 after ten years, two month and four days, or after 58277 orbits.

Contact

  • Stolle, Claudia (Section Head) ; GFZ German Research Centre for Geosciences, Potsdam, Germany;

Contributors

Rauberg, Jan

Keywords

CHAMP, magnetic field, time series, combined product, level 3

GCMD Science Keywords

  • EARTH SCIENCE > SOLID EARTH > GEOMAGNETISM > MAGNETIC FIELD
  • Earth Observation Satellites > CHAMP
  • Earth Remote Sensing Instruments > Passive Remote Sensing > Magnetic Field/Electric Field Instruments > MAGNETOMETERS
  • Earth Remote Sensing Instruments > Passive Remote Sensing > Positioning/Navigation > ACS
  • Solar/Space Observing Instruments > Magnetic Field/Electric Field Instruments > FGM

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          • givenName: Martin
          • familyName: Rother
          • affiliation: GFZ German Research Centre for Geosciences, Potsdam, Germany
        • creator
          • creatorName: Michaelis, Ingo
          • givenName: Ingo
          • familyName: Michaelis
          • affiliation: GFZ German Research Centre for Geosciences, Potsdam, Germany
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        • title (xml:lang=en): CH-ME-3-MAG - CHAMP 1 Hz Combined Magnetic Field Time Series (Level 3)
      • publisher: GFZ Data Services
      • publicationYear: 2019
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        • subject: magnetic field
        • subject: time series
        • subject: combined product
        • subject: level 3
        • subject (subjectScheme=GCMD Platforms xml:lang=en): Earth Observation Satellites > CHAMP
        • subject (subjectScheme=GCMD Instruments xml:lang=en): Earth Remote Sensing Instruments > Passive Remote Sensing > Positioning/Navigation > ACS
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          • affiliation: GFZ German Research Centre for Geosciences, Potsdam, Germany
        • contributor (contributorType=DataManager)
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          • givenName: Ingo
          • familyName: Michaelis
          • affiliation: GFZ German Research Centre for Geosciences, Potsdam, Germany
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          • givenName: Ingo
          • familyName: Michaelis
          • affiliation: GFZ German Research Centre for Geosciences, Potsdam, Germany
        • contributor (contributorType=Other)
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          • givenName: Jan
          • familyName: Rauberg
          • affiliation: GFZ German Research Centre for Geosciences, Potsdam, Germany
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      • descriptions
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          • br: 
          • br: 
          • br: 
        • description (descriptionType=Other): CHAMP (CHAllenging Minisatellite Payload) was a German small satellite mission for geoscientific and atmospheric research and applications, managed by GFZ. With its highly precise, multifunctional and complementary payload elements (Overhauser scalar magnetometer (OVM) and Fluxgate vector magnetometer (FGM), accelerometer, star sensor (ASC), GPS receiver, laser retro reflector, ion drift meter) and its orbit characteristics (near polar, low altitude, long duration) CHAMP generated highly precise gravity and magnetic field measurements simultaneously for the first time and over a 10 years period. CHAMP launched by a Russian COSMOS launch vehicle on July 15, 2000 and an initial altitude of 454 km. The mission ended on September 19 2010 after ten years, two month and four days, or after 58277 orbits.
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      • Entry_Title: CH-ME-3-MAG - CHAMP 1 Hz Combined Magnetic Field Time Series (Level 3)
      • Data_Set_Citation
        • Dataset_Creator: Rother, Martin; Michaelis, Ingo
        • Dataset_Title: CH-ME-3-MAG - CHAMP 1 Hz Combined Magnetic Field Time Series (Level 3)
        • Dataset_Release_Date: 2019
        • Dataset_Release_Place: Potsdam, Germany
        • Dataset_Publisher: GFZ Data Services
        • Online_Resource: http://dx.doi.org/10.5880/GFZ.2.3.2019.004
      • Parameters
        • Category: EARTH SCIENCE
        • Topic: SOLID EARTH
        • Term: GEOMAGNETISM
        • Variable_Level_1: MAGNETIC FIELD
      • ISO_Topic_Category: geoscientificInformation
      • Keyword: CHAMP
      • Keyword: magnetic field
      • Keyword: time series
      • Keyword: combined product
      • Keyword: level 3
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          • Long_Name: GFZ
        • Personnel
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          • Last_Name: Deutsches GeoForschungsZentrum GFZ
      • Summary
        • Abstract: This is a Level 3 data daily file product from various scientific and utility sensors on board of the `LEO' satellite 'CHAMP' with magnetic field data given by a time resolution of 1 Hz. Thise Level 3 data type is build to hold and merge finally corrected data, focusing on mature data calibration and corrections -- as well as internal consistency. This Level 3 data product is intended to supersede the various Level 2 versions with calibrated magnetic field readings from the CHAMP mission distributed hitherto and should be fitted for scientific use, assembling time series of scalar magnetic field values (but not directly readings from the scalar Overhauser sensor), vector magnetic field data from the boom-mounted Fluxgate 'FGM' sensors and attitude data from the ('ASC') boom-mounted Star Cameras. The vector data are given both in the satellite-bound sensor ('FGM') system and the Earth Centered Earth Fixed local 'NEC' (North-East-Center) system. The attitude time series, processed and cleaned, are represented by quaternions describing the satellite attitude related to the celestial system. The readings of the scalar OVM (Overhauser) absolute magnetometer at the top of the boom are not supplied directly, but were used during calibration of the vector magnetometer readings. The files with daily time coverage are in the (binary and self-describing) 'CDF' file format and accompanied, beside the generic 'CDF'-format timestamp, by the satellite's geocentric positions and utility information like quality flags. The full product and format descriptions are provided in the associated Scientific Technical Report - Data (GFZ Section 2.3, 2019. http://doi.org/10.2312/GFZ.b103-19104).
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  • escidoc:  /  download xml
    • resource
      • title (xml:lang=en): CH-ME-3-MAG - CHAMP 1 Hz Combined Magnetic Field Time Series (Level 3)
      • creator
        • creatorName: Rother, Martin
        • givenName: Martin
        • familyName: Rother
        • affiliation: GFZ German Research Centre for Geosciences, Potsdam, Germany
      • creator
        • creatorName: Michaelis, Ingo
        • givenName: Ingo
        • familyName: Michaelis
        • affiliation: GFZ German Research Centre for Geosciences, Potsdam, Germany

Location

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    Files

    License

    CC BY 4.0

    Dataset Description

    Documented by