CHAMP
Fluxgate Magnetometer Data Description (CDF)
CH-ME-2-FGM-FGM and CH-ME-2-FGM-NEC

Update:    Martin Rother
                2001-09-03

1.      CH-ME-2-FGM-FGM
1.1.   CH-ME-2-FGM-FGM - Tabulated Overview
 
Global Option/NETWORK_ENCODING
Name Typ Description
Global/gAttributes
PRODUCT  CDF_CHAR Product Name 
TITLE  CDF_CHAR Title/Name of data-set 
HISTORY  CDF_CHAR Modification/Creation info 
MJD2000  CDF_INT4 Modified Julian Day (2000) of first vector 
EPOCH_S  CDF_EPOCH CDF Epoch of first entry
EPOCH_E  CDF_EPOCH CDF Epoch of last entry
NR_OF_RECORDS CDF_INT4 Number of Records 
MAG_ID  CDF_BYTE Magnetometer-ID [1 or 2]
Global/vAttributes
UNIT, FORMAT INFO, HEADS, REFRADIUS, SYSTEM, SAMPLE, VALIDMIN, VALIDMAX, SCALEMIN, SCALEMAX 
Data Record/rVariables
Data Record/zVariables
EPOCH CDF_EPOCH Epoch/Time, UTC
GEO_LAT CDF_REAL8 Latitude, geocentric geographic, in degree
GEO_LON CDF_REAL8 Longitude, geocentric geographic, in degree
GEO_ALT CDF_REAL8 Altitude above reference sphere, in km
QUALITY CDF_BYTE[2] Data Quality Identifier
VEC CDF_REAL4[3] Calibrated B-Field-Vector in FGM-1 sensor system

Single dataset covers a whole day.
 

1.2.   CH-ME-2-FGM-FGM - CDF Skeleton

! Skeleton table for the "ch-me-2-fgm-fgm" CDF.
! Generated: Monday, 3-Sep-2001 05:00:12
! CDF created/modified by CDF V2.6.4
! Skeleton table created by CDF V2.6.4 

#header

                       CDF NAME: ch-me-2-fgm-fgm
                  DATA ENCODING: NETWORK
                       MAJORITY: ROW
                         FORMAT: SINGLE

! Variables  G.Attributes  V.Attributes  Records  Dims  Sizes
! ---------  ------------  ------------  -------  ----  -----
     0/6           8            12         0/z      0


#GLOBALattributes

! Attribute         Entry       Data
! Name              Number      Type       Value
! ---------         ------      ----       -----

  "PRODUCT"             1:    CDF_CHAR     { "CH-ME-2-FGM-FGM" } .

  "TITLE"               1:    CDF_CHAR     { "CHAMP ME FGM FGM" } .

  "HISTORY"             1:    CDF_CHAR     { "Version: 01-Apr-26" } .

  "MJD2000"             1:    CDF_INT4     { 0 } .

  "EPOCH_S"             1:    CDF_EPOCH    { 01-Jan-2000 00:00:00.000 } .

  "EPOCH_E"             1:    CDF_EPOCH    { 01-Jan-2000 00:00:00.000 } .

  "NR_OF_RECORDS"       1:    CDF_INT4     { 0 } .

  "MAG_ID"              1:    CDF_INT2     { 0 } .


#VARIABLEattributes

  "VALIDMIN"
  "VALIDMAX"
  "SCALEMIN"
  "SCALEMAX"
  "UNIT"
  "FORMAT"
  "HEADS"
  "SYSTEM"
  "MODEL"
  "REFRADIUS"
  "SAMPLE"
  "INFO"


#variables

! No rVariables.


#zVariables

! Variable          Data      Number                 Record   Dimension
! Name              Type     Elements  Dims  Sizes  Variance  Variances
! --------          ----     --------  ----  -----  --------  ---------

  "EPOCH"         CDF_EPOCH      1       0              T

  ! Attribute       Data
  ! Name            Type       Value
  ! --------        ----       -----

    "VALIDMIN"    CDF_INT4     { 0 }
    "UNIT"        CDF_CHAR     { "(CDF epoch)" }
    "FORMAT"      CDF_CHAR     { "F20.10" }
    "INFO"        CDF_CHAR     { "Time, UT (Epoch)" } .

  ! RV values were not requested.


! Variable          Data      Number                 Record   Dimension
! Name              Type     Elements  Dims  Sizes  Variance  Variances
! --------          ----     --------  ----  -----  --------  ---------

  "GEO_LAT"       CDF_REAL8      1       0              T

  ! Attribute       Data
  ! Name            Type       Value
  ! --------        ----       -----

    "VALIDMIN"    CDF_INT4     { 90 }
    "UNIT"        CDF_CHAR     { "in degree" }
    "FORMAT"      CDF_CHAR     { "F20.10" }
    "SYSTEM"      CDF_CHAR     { "geocentric geographic" }
    "INFO"        CDF_CHAR     { "Latitude" } .

  ! RV values were not requested.


! Variable          Data      Number                 Record   Dimension
! Name              Type     Elements  Dims  Sizes  Variance  Variances
! --------          ----     --------  ----  -----  --------  ---------

  "GEO_LON"       CDF_REAL8      1       0              T

  ! Attribute       Data
  ! Name            Type       Value
  ! --------        ----       -----

    "VALIDMIN"    CDF_INT4     { -360 }
    "VALIDMAX"    CDF_INT4     { 360 }
    "UNIT"        CDF_CHAR     { "in degree" }
    "FORMAT"      CDF_CHAR     { "F20.10" }
    "SYSTEM"      CDF_CHAR     { "geocentric geographic" }
    "INFO"        CDF_CHAR     { "Longitude" } .

  ! RV values were not requested.


! Variable          Data      Number                 Record   Dimension
! Name              Type     Elements  Dims  Sizes  Variance  Variances
! --------          ----     --------  ----  -----  --------  ---------

  "GEO_ALT"       CDF_REAL8      1       0              T

  ! Attribute       Data
  ! Name            Type       Value
  ! --------        ----       -----

    "VALIDMIN"    CDF_INT4     { 0 }
    "UNIT"        CDF_CHAR     { "in km" }
    "FORMAT"      CDF_CHAR     { "F20.10" }
    "SYSTEM"      CDF_CHAR     { "geocentric geographic" }
    "REFRADIUS"   CDF_REAL4    { 6371.2 }
    "INFO"        CDF_CHAR     { "Altitude above reference sphere" } .

  ! RV values were not requested.


! Variable          Data      Number                 Record   Dimension
! Name              Type     Elements  Dims  Sizes  Variance  Variances
! --------          ----     --------  ----  -----  --------  ---------

  "QUALITY"       CDF_BYTE       1       1     2        T         T

  ! Attribute       Data
  ! Name            Type       Value
  ! --------        ----       -----

    "VALIDMIN"    CDF_INT2     { 0 }
    "VALIDMAX"    CDF_INT2     { 255 }
    "UNIT"        CDF_CHAR     { "Bit-Field" }
    "FORMAT"      CDF_CHAR     { "I16" }
    "INFO"        CDF_CHAR     { "Quality information" } .

  ! RV values were not requested.


! Variable          Data      Number                 Record   Dimension
! Name              Type     Elements  Dims  Sizes  Variance  Variances
! --------          ----     --------  ----  -----  --------  ---------

  "VEC"           CDF_REAL4      1       1     3        T         T

  ! Attribute       Data
  ! Name            Type       Value
  ! --------        ----       -----

    "VALIDMIN"    CDF_INT4     { -999999 }
    "VALIDMAX"    CDF_INT4     { 999999 }
    "UNIT"        CDF_CHAR     { "in nT" }
    "FORMAT"      CDF_CHAR     { "F15.3" }
    "SYSTEM"      CDF_CHAR     { "CHAMP FGM-1 sensor system" }
    "SAMPLE"      CDF_CHAR     { "1 Hz" }
    "INFO"        CDF_CHAR     { "B-Vector in FGM-1 sensor system" } .

  ! RV values were not requested.


#end


2.      CH-ME-2-FGM-NEC
2.2.   CH-ME-2-FGM-NEC - Tabulated Overview
 
Global Option/NETWORK_ENCODING
Name Typ Description
Global/gAttributes
PRODUCT  CDF_CHAR Product Name 
TITLE  CDF_CHAR Title/Name of data-set 
HISTORY  CDF_CHAR Modification/Creation info 
MJD2000  CDF_INT4 Modified Julian Day (2000) of first vector 
EPOCH_S  CDF_EPOCH CDF Epoch of first entry
EPOCH_E  CDF_EPOCH CDF Epoch of last entry
NR_OF_RECORDS CDF_INT4 Number of Records 
MAG_ID  CDF_BYTE Magnetometer-ID [1 or 2]
Global/vAttributes
UNIT, FORMAT INFO, HEADS, REFRADIUS, SYSTEM, SAMPLE, VALIDMIN, VALIDMAX, SCALEMIN, SCALEMAX 
Data Record/rVariables
Data Record/zVariables
EPOCH CDF_EPOCH Epoch/Time, UTC
GEO_LAT CDF_REAL8 Latitude, geocentric geographic, in degree
GEO_LON CDF_REAL8 Longitude, geocentric geographic, in degree
GEO_ALT CDF_REAL8 Altitude above reference sphere, in km
QUALITY CDF_BYTE[2] Data quality or status Identifiers.
Byte[0]
Bit(s)  Description 
0 
1 
2
3 
4 
5 
6 
7 
Byte[1]
Bits(s)  Description 
[0,1]  Dual/Single Head Identifier 
Pattern  Mode 
1 1  Dual Head 
(Common Reference System) 
1 0  Single Head, ASC 1 
0 1  Single Head, ASC 2 
0 0  value given by interpolation only 
or is illegal 
2 
3 
4 
5 
6 
7 
VEC CDF_REAL4[3] Calibrated B-Field-Vector in ECEF NEC (North, East, Center) System.

Single dataset covers a whole day.
 

2.2.   CH-ME-2-FGM-NEC - CDF Skeleton 

! Skeleton table for the "ch-me-2-fgm-nec" CDF.
! Generated: Monday, 3-Sep-2001 05:00:12
! CDF created/modified by CDF V2.6.4
! Skeleton table created by CDF V2.6.4 

#header

                       CDF NAME: ch-me-2-fgm-nec
                  DATA ENCODING: NETWORK
                       MAJORITY: ROW
                         FORMAT: SINGLE

! Variables  G.Attributes  V.Attributes  Records  Dims  Sizes
! ---------  ------------  ------------  -------  ----  -----
     0/6           8            11         0/z      0


#GLOBALattributes

! Attribute         Entry       Data
! Name              Number      Type       Value
! ---------         ------      ----       -----

  "PRODUCT"             1:    CDF_CHAR     { "CH-ME-2-FGM-NEC" } .

  "TITLE"               1:    CDF_CHAR     { "CHAMP ME FGM NEC" } .

  "HISTORY"             1:    CDF_CHAR     { "Version: 01-Apr-26" } .

  "MJD2000"             1:    CDF_INT4     { 0 } .

  "EPOCH_S"             1:    CDF_EPOCH    { 01-Jan-2000 00:00:00.000 } .

  "EPOCH_E"             1:    CDF_EPOCH    { 01-Jan-2000 00:00:00.000 } .

  "NR_OF_RECORDS"       1:    CDF_INT4     { 0 } .

  "MAG_ID"              1:    CDF_INT2     { 0 } .


#VARIABLEattributes

  "VALIDMIN"
  "VALIDMAX"
  "SCALEMIN"
  "SCALEMAX"
  "UNIT"
  "FORMAT"
  "HEADS"
  "REFRADIUS"
  "SAMPLE"
  "SYSTEM"
  "INFO"


#variables

! No rVariables.


#zVariables

! Variable          Data      Number                 Record   Dimension
! Name              Type     Elements  Dims  Sizes  Variance  Variances
! --------          ----     --------  ----  -----  --------  ---------

  "EPOCH"         CDF_EPOCH      1       0              T

  ! Attribute       Data
  ! Name            Type       Value
  ! --------        ----       -----

    "VALIDMIN"    CDF_REAL8    { 0.0 }
    "UNIT"        CDF_CHAR     { "CDF Epoch" }
    "FORMAT"      CDF_CHAR     { "F20.10" }
    "INFO"        CDF_CHAR     { "Time, UTC (Epoch)" } .

  ! RV values were not requested.


! Variable          Data      Number                 Record   Dimension
! Name              Type     Elements  Dims  Sizes  Variance  Variances
! --------          ----     --------  ----  -----  --------  ---------

  "GEO_LAT"       CDF_REAL8      1       0              T

  ! Attribute       Data
  ! Name            Type       Value
  ! --------        ----       -----

    "VALIDMIN"    CDF_REAL4    { -90.0 }
    "VALIDMAX"    CDF_REAL4    { 90.0 }
    "UNIT"        CDF_CHAR     { "degree" }
    "FORMAT"      CDF_CHAR     { "F20.10" }
    "SYSTEM"      CDF_CHAR     { "geocentric geographic" }
    "INFO"        CDF_CHAR     { "Latitude" } .

  ! RV values were not requested.


! Variable          Data      Number                 Record   Dimension
! Name              Type     Elements  Dims  Sizes  Variance  Variances
! --------          ----     --------  ----  -----  --------  ---------

  "GEO_LON"       CDF_REAL8      1       0              T

  ! Attribute       Data
  ! Name            Type       Value
  ! --------        ----       -----


    "VALIDMIN"    CDF_REAL4    { -360.0 }
    "VALIDMAX"    CDF_REAL4    { 360.0 }
    "UNIT"        CDF_CHAR     { "in degree" }
    "FORMAT"      CDF_CHAR     { "F20.10" }
    "SYSTEM"      CDF_CHAR     { "geocentric geographic" }
    "INFO"        CDF_CHAR     { "Longitude" } .

  ! RV values were not requested.


! Variable          Data      Number                 Record   Dimension
! Name              Type     Elements  Dims  Sizes  Variance  Variances
! --------          ----     --------  ----  -----  --------  ---------

  "GEO_ALT"       CDF_REAL8      1       0              T

  ! Attribute       Data
  ! Name            Type       Value
  ! --------        ----       -----

    "VALIDMIN"    CDF_REAL4    { 0.0 }
    "UNIT"        CDF_CHAR     { "in km" }
    "FORMAT"      CDF_CHAR     { "F20.10" }
    "REFRADIUS"   CDF_REAL4    { 6371.2 }
    "SYSTEM"      CDF_CHAR     { "geocentric geographic" }
    "INFO"        CDF_CHAR     { "Altitude above a reference sphere" } .

  ! RV values were not requested.


! Variable          Data      Number                 Record   Dimension
! Name              Type     Elements  Dims  Sizes  Variance  Variances
! --------          ----     --------  ----  -----  --------  ---------

  "QUALITY"       CDF_BYTE       1       1     2        T         T

  ! Attribute       Data
  ! Name            Type       Value
  ! --------        ----       -----

    "VALIDMIN"    CDF_INT2     { 0 }
    "VALIDMAX"    CDF_INT2     { 255 }
    "UNIT"        CDF_CHAR     { "Bit-Field" }
    "FORMAT"      CDF_CHAR     { "I4" }
    "INFO"        CDF_CHAR     { "Quality information" } .

  ! RV values were not requested.


! Variable          Data      Number                 Record   Dimension
! Name              Type     Elements  Dims  Sizes  Variance  Variances
! --------          ----     --------  ----  -----  --------  ---------

  "VEC"           CDF_REAL4      1       1     3        T         T

  ! Attribute       Data
  ! Name            Type       Value
  ! --------        ----       -----

    "VALIDMIN"    CDF_INT4     { -999999 }
    "VALIDMAX"    CDF_INT4     { 999999 }
    "UNIT"        CDF_CHAR     { "nT" }
    "FORMAT"      CDF_CHAR     { "F15.3" }
    "SAMPLE"      CDF_CHAR     { "1 Hz" }
    "SYSTEM"      CDF_CHAR     { "ECEF NEC (North East Center)" }
    "INFO"        CDF_CHAR     { "B-Vector in ECEF NEC System" } .

  ! RV values were not requested.


#end

 


GFZ, CHAMP Back
Originator: M. Rother
September 3, 2001, webadmin A.Helm