Format of Magnetic Field, Electric Field, and Ion Moment Data

MGF | EFD | LEP


MGF Magnetic Field (3 sec Resolution)

Column No.NameUnitFormat
1-3Dateyr mon dyi4,1x,2(i2.2,1x)
4-6Timehr mn sc2(i2.2,1x),f7.3
7BxnTf8.2
8BynTf8.2
9BznTf8.2
10|B|nTf7.2
11φdegf8.2
12θdegf7.2
13RMSnTf7.3
14Range1-7i2
15XRe (1 Re = 6371.2 km)f8.2
16YRe (1 Re = 6371.2 km)f8.2
17ZRe (1 Re = 6371.2 km)f8.2
  • The first line has the following headers:
    • before November 23, 2006 ---> MGF-FXFO-[QL or SDB-0 or SDB-1 or SDB-2]-[JPX or DSN]]-[SC or GSE or GSM or SM]-[0-OFS or BzOFS]
    • on or after November 23, 2006 ---> MGF-FXFI-[QL or SDB-0 or SDB-1 or SDB-2]-[JPX or DSN]]-[SC or GSE or GSM or SM]-[0-OFS or BzOFS]

EFD Electric Field (3 sec Resolution)

Column No.NameUnitFormat
1-3Dateyr mon dyi4,1x,2(i2.2,1x)
4-6Timehr mn sc2(i2.2,1x),f7.3
7Bx (SC)nTf8.2
8By (SC)nTf8.2
9Bz (SC)nTf8.2
10RMSnTf7.3
11Ex (SC)mV/mf8.2
12Ey (SC)mV/mf8.2
13RemmV/mf7.3
14S/C PotentialVf8.2
15Ion EmitterOn or Offa4
16X (GSE)Re (1 Re = 6371.2 km)f8.2
17Y (GSE)Re (1 Re = 6371.2 km)f8.2
18Z (GSE)Re (1 Re = 6371.2 km)f8.2
  • The magnetic and electric fields are given in spacecraft coordinates, which are nearly equivalent to GSE coordinates: X is sunward, Y duskward, and Z northward.
  • Rem is the deviation of the electric field from sine wave.

LEP Ion Moments (12 sec Resolution)

Column No.NameUnitFormat
1-3Dateyr mon dyi4,1x,2(i2.2,1x)
4-6Timehr mn sc2(i2.2,1x),f7.3
7Ncm-3f7.3
8Vxkm/sf6.0
9Vykm/sf6.0
10Vzkm/sf6.0
11|V|km/sf6.0
12φdegf8.2
13θdegf7.2
14Ti,yyeVf6.0
15Ti,zzeVf6.0
16SensorEA or SWa3
17XRe (1 Re = 6371.2 km)f8.2
18YRe (1 Re = 6371.2 km)f8.2
19ZRe (1 Re = 6371.2 km)f8.2
  • Ti,yy and Ti,zz are the YY and ZZ components of the ion temperature tensor, respectively, in spacecraft coordinates, which are nearly equivalent to GSE coordinates.
  • The first line has the following headers: LEP-MOM-JPX-QL-[SC or GSE or GSM orSM]

Last Modified: 14 February 2019