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VARIABLE FMT DESCRIPTION
NAME A*15 STATION NAME
STYP Int DATA TYPE
1= OBSERVATORY
2= SATELLITE
3= SURVEY
IREF Int REFERENCE FRAME
1= GEODETIC
2= GEOCENTRIC
3= SATELLITE COORDINATES
MJD Int MODIFIED JULIAN DAY (JAN 1, 1900 = 15020)
MSEC Int MILLISECONDS OF DAY
CLT Real COLATITUDE (Radians)
ELN Real EAST LONGITUDE (Radians)
ALT Real ALTITUDE OR RADIUS ABOVE REFERENCE SPHERE (KM)
BQ(14) Int MEASUREMENT QUALITY CODE
0= DATA MISSING OR UNUSABLE
2= DATA USABLE
BM(14) Real FIELD MEASUREMENTS
BS(14) Real APRIORI ERROR ESTIMATES
BQ,BM,BS,BC REPRESENT THE FOLLOWING COMPONENTS
(1) X (NORTH) FOR BM and BS (nT)
(2) Y (EAST) FOR BM and BS (nT)
(3) Z (+ DOWN) FOR BM and BS (nT)
(4) dX/dt FOR BM and BS (nT/YR)
(5) dY/dt FOR BM and BS (nT/YR)
(6) dZ/dt FOR BM and BS (nT/YR)
(7) D DECLINATION FOR BM and BS (Radians)
(8) I DECLINATION FOR BM and BS (Radians)
(9) H HORIZONTAL FOR BM and BS (nT)
(10) B TOTAL FIELD FOR BM and BS (nT)
(11) dD/dt FOR BM and BS (Radians/YR)
(12) dI/dt FOR BM and BS (Radians/YR)
(13) dH/dt FOR BM and BS (nT/YR)
(14) dB/dt FOR BM and BS (nT/YR)
DST Real MAGNETIC ACTIVITY (nT)
DSTT Real TIME DERIVATIVE OF Dst (nT/HR)
T(9) Real ROTATION MATRIX FROM EARTH FIXED GEOCENTRIC TO
SPACECRAFT COORDINATES
BC(14) Real CALCULATED VALUES FROM A MODEL
Joy Conrad
Thu Mar 13 12:14:17 EST 1997