Data   Polar MFE   ASCII High Res.

Polar MFE High Resolution ASCII Data

 •  Low (1 minute)
 •  High (6 second)
 •  Full (8 s/s)
 •  Low (1 minute)
 •  High (6 second)
 •  Full (8 s/s)
ASCII data is available in various coordinate systems including Solar Magnetospheric(GSM), Solar Ecliptic(GSE), Solar Magnetic(SM), Field Aligned Current (FAC), and spacecraft. Data may be retrieved for the observed field or one of two model fields, or you may retrieve the residual of the observed field and one of the model fields.

Time Format
All data are displayed in UTC. (Note: Prior to June 2004, this data server used International Atomic Time (TAI) for data collected in 2000 and onward. TAI differs from UTC by fixed increments where a leap second occurs. On JAN 1 2000, a time in TAI could be converted to UTC by subtracting 32 seconds. For a table of conversions from TAI to UTC, click here).

Due to the load on our system, you may only request 7 days of high resolution data at a time.

Please note: there are gaps in the data. We suggest you first plot a day of data and then narrow your time selection to time periods containing data.

Once you submit this form, you may experience an occasional server error, or a broken link. This may be due to the presence of a data gap or some data error. Try expanding your time selection if you experience such problems.

Please select parameters to be listed.
   Observed Field - Time, X, Y, Z, Bx, By, Bz, B
   IGRF Model* - Time, X, Y, Z, BxI, ByI, BzI, BI
   Tsyganenko Model** - Time, X, Y, Z, BxT, ByT, BzT, BT
   Residual field with IGRF removed - Time, X, Y, Z, DBxI, DByI, DBzI, DBI
   Residual field with Tsyganenko removed - Time, X, Y, Z, DBxT, DByT, DBzT, DBT
   Dipole Tilt Angle - Time, Tilt_Angle
   Polar Foot Prints - Time, NFPgeo_lat, NFPgeo_long, SFPgeo_lat, SFPgeo_long

* IGRF 95 for epoch of date.
** Tsyganenko 96 model with dyanmic pressure = 2 nT; IMF By=Bz=0 and Dst=0.

Please select coordinate system to be used for magnetic field data.

  GSM1   GSE2   SM3   FAC4   Spacecraft5

1 X to sun; X-Z plane contains dipole axis; Y roughly opposite planetary motion.
2 X to sun; Z along ecliptice pole; Y opposite planetary motion.
3 Z along Earth's dipole; X-Z plane contains solar directions; Y roughly opposite planetary motion.
4 Y-axis is eastward parallel to the direction of the cross product ofthe model magnetic field and the outward vector from the earth to the spacecraft; z-axis is along the direction of the model magnetic field and the x-axis forms a a right-handed set being usually in the outward direction.
5 Z along spin axis; X along projection of solar direction in spin plane.

Please enter time in the fields below.

Start time:
Time format is YYYY MON DY HH:MN:SC, e.g. 1996 mar 29 00:00:00

Stop time :
The format is YYYY MON DY HH:MN:SC, e.g. 1996 mar 30 00:00:00

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Last updated: February 13, 2004