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Дата изменения: Fri Apr 21 12:02:43 2000
Дата индексирования: Tue Oct 2 11:48:39 2012
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Поисковые слова: wmap
mcfile

The mulisatellites magnetic conjugation


Let us consider as an example the file with the name: t4d17.txt.
This file contains the information about IB_1 (Tail Probe) magnetic conjugations with another 3 SC as a function of the universal time.
The less then 5 degree value of the relative geocentric angular distance between the footprints of the SC is used as a criterion of the magnetic conjugation.
The footprins coordinates are calculated by the SC mapping via magnetic field lines trassing.
On the last column of the file is shown the magnetic field model version (MOD IOPT) used during magnetic mapping.
For selected time intervals the information as follows is shown with 10-min step (in two or more lines for each moment):

1.1

UTYYMMDD

DATE: year (YYYY), month (MM), day (DD)

1.2

dcormlt = dlt (h)

The difference between CMLT values of the Sat.1 and Sat.2 (see as well column 11)

1.3

dcormlt = dlt (h)

The difference between CMLT values of the Sat.1 and Sat.3(see as well column 11)

1.4

dcormlt = dlt (h)

The difference between CMLT values of the Sat.1 and Sat.4 (see as well column 11)

2.1

HHMMSS

Universal time: .hhmnss

2.2

dcorlat = dla (deg)

The difference between CORLAT values of the Sat.1 and Sat.2 (see as well column 12)

2.3

dcorlat = dla (deg)

The difference between CORLAT values of the Sat.1 and Sat.3 (see as well column 12)

2.4

dcorlat = dla (deg)

The difference between CORLAT values of the Sat.1 and Sat.4 (see as well column 12)

3.2

AnD (deg)

The angular distance between footprints of the Sat.1 and Sat.2

3.3

AnD (deg)

The angular distance between footprints of the Sat.1 and Sat.3

3.4

AnD (deg)

The angular distance between footprints of the Sat.1 and Sat.4

4.1

Sat.1

The name of the first satellite

4.2

Sat.2

The name of the second satellite

4.3

Sat.3

The name of the third satellite

5.

R (RE)

The satellite geocentric distance

6.

GLAT (deg)

The satellite geographical latitude

7.

GLON (deg)

The satellite geographical longitude

8.

FNGLAT (deg)

The geographical latitude of the footprint

9.

FNGLON (deg)

The geographical longitude of the footprint

10.

REG

The simulative geophysical region corresponding to the satellite position

11.

CMLT (h)

The corrected geomagnetic local time (CGMLT)

12.

CORLAT (deg)

The corrected geomagnetic latitude (CGMLAT)

13.

ARCln (Re)

The length of the magnetic field line (between satellite and footprint)

14.

MOD IOPT

the magnetic field model version used during magnetic mapping

Victoria Prokhorenko
Modified 20 April 2000