How to Use Interactive Plot

There are two main ways to use this feature:

1. Access URL1, select the observation date/time and coordinate system you wish to display, and click the “Submit” button.
2. Edit the parameters of URL2 and access it directly.

URL

1. https://darts.isas.jaxa.jp/app/stp/geotail/plot.html
2. https://darts.isas.jaxa.jp/app/stp/geotail/cgi-bin/mom_fx.cgi?yy={}&mm={}&dd={}&hm1={}&hm2={}&crd={}&stn={}&pol={}&nlog={}&tlog={}&xgrid={}&ygrid={}&psize={}&Submit=Submit

URL Parameters

• yy, mm, dd: Observation date. Example: September 18, 1993 → yy=1993&mm=9&dd=18

• hm1, hm2: Start time and end time (hour, minute). Example: 00:00?24:00 → hm1=0000&hm2=2400

• crd: Coordinate system for output. One of GSM, GSE, or SM.

  • GSM: X to the sun; X-Z plane contains the Earth’s dipole axis
  • GSE: X to the sun; Z along the ecliptic pole
  • SM: Z along the Earth’s dipole; X-Z plane contains the sun direction

• stn: Editor used. DSN (=Editor-B, DSN) or JPX (=Editor-A, UDSC/USC).

• pol: Coordinate system for B vector and V vector. 0 (=Cartesian) or 1 (=Polar)

• nlog: If set to 1, ion density data is displayed on a logarithmic scale. If not specified, plotted on a standard scale.

• tlog: If set to 1, ion temperature data is plotted on a logarithmic scale. If not specified, plotted on a standard scale.

• xgrid: If set to 1, grid lines are drawn at major ticks along the X-axis. If not specified, no grid lines.

• ygrid: If set to 1, grid lines are drawn at major ticks along the Y-axis. If not specified, no grid lines.

• psize: Output size. 0 (=A4 size) or 1 (=US Letter size)

How to Use ASCII Listing

There are two main ways to use this feature:

1. Access URL1, select the observation date/time and coordinate system you wish to output, and click the “Submit” button.
2. Edit the parameters of URL2 and access it directly.

URL

1. https://darts.isas.jaxa.jp/app/stp/geotail/ascii.html
2. https://darts.isas.jaxa.jp/app/stp/geotail/cgi-bin/mom_fx_asc.cgi?yy={}&mm={}&dd={}&hm1={}&hm2={}&crd={}&stn={}&Submit=Submit

URL Parameters

• yy, mm, dd: Observation date. Example: September 18, 1993 → yy=1993&mm=9&dd=18

• hm1, hm2: Start time and end time (hour, minute). Example: 00:00?24:00 → hm1=0000&hm2=2400

• crd: Coordinate system for output. One of GSM, GSE, or SM.

  • GSM: X to the sun; X-Z plane contains the Earth’s dipole axis
  • GSE: X to the sun; Z along the ecliptic pole
  • SM: Z along the Earth’s dipole; X-Z plane contains the sun direction

• stn: Editor used. DSN (=Editor-B, DSN) or JPX (=Editor-A, UDSC/USC)。

How to Use MGF High Resolution

There are two main ways to use this feature:

1. Access URL1, select the observation date/time and coordinate system you wish to output, and click the “Submit” button.
2. Edit the parameters of URL2 and access it directly.

URL

1. https://darts.isas.jaxa.jp/app/stp/geotail/ascii_mgf_hi.html
2. https://darts.isas.jaxa.jp/app/stp/geotail/cgi-bin/fx_hi_dump.cgi?yy={}&mm={}&dd={}&hm1={}&hm2={}&crd={}&stn={}&Submit=Submit

URL Parameters

• yy, mm, dd: Observation date. Example: September 18, 1993 → yy=1993&mm=9&dd=18

• hm1, hm2: Start time and end time (hour, minute). Example: 00:00?24:00 → hm1=0000&hm2=2400

• crd: Coordinate system for output. One of GSM, GSE, or SM.

  • GSM: X to the sun; X-Z plane contains the Earth’s dipole axis
  • GSE: X to the sun; Z along the ecliptic pole
  • SM: Z along the Earth’s dipole; X-Z plane contains the sun direction

• stn: Editor used. DSN (=Editor-B, DSN) or JPX (=Editor-A, UDSC/USC)。

How to Use MGF Search Coil

There are two main ways to use this feature:

1. Access URL1, select the observation date/time you wish to output, and click the “Submit” button.
2. Edit the parameters of URL2 and access it directly.

URL

1. https://darts.isas.jaxa.jp/app/stp/geotail/ascii_mgf_sc.html
2. https://darts.isas.jaxa.jp/app/stp/geotail/cgi-bin/sc_hi_dump.cgi?yy={}&mm={}&dd={}&hm1={}&hm2={}&Submit=Submit

URL Parameters

• yy, mm, dd: Observation date. Example: September 18, 1993 → yy=1993&mm=9&dd=18

• hm1, hm2: Start time and end time (hour, minute). Example: 00:00?24:00 → hm1=0000&hm2=2400

How to Use LEP Ion Distribution

There are two main ways to use this feature:

1. Access URL1, select the observation date/time you wish to output, and click the “Submit” button.
2. Edit the parameters of URL2 and access it directly.

URL

1. https://darts.isas.jaxa.jp/app/stp/geotail/ascii_lep_psd.html
2. https://darts.isas.jaxa.jp/app/stp/geotail/cgi-bin/fx_hi_dump.cgi?yy={}&mm={}&dd={}&hm1={}&hm2={}&stn={}&Submit=Submit

URL Parameters

• yy, mm, dd: Observation date. Example: September 18, 1993 → yy=1993&mm=9&dd=18

• hm1, hm2: Start time and end time (hour, minute). Example: 00:00?24:00 → hm1=0000&hm2=2400

• stn: Editor used. DSN (=2D:Editor-B, DSN) or JPX (=3D:Editor-A, UDSC/USC)。