Common satellite format from the old FIT modeling program COLUMNS FMT DESCRIPTION 1- 4 I*4 MODIFIED JULIAN DAY (MJD) 5- 8 I*4 MILLISECOND OF DAY 9- 12 R*4 WEIGHT, USED TO SELECT GRIDDING INFO 13- 16 R*4 DIPOLE LATITUDE 17- 20 R*4 TIME IN YEARS FROM 1900 21- 24 R*4 GEOCENTRIC LATITUDE 25- 28 R*4 LONGITUDE 29- 32 R*4 NOT USED 33- 36 R*4 NOT USED 37- 40 R*4 NOT USED ***IF DATA ARE IN GEOCENTRIC COORDINATES, DATA PTS 11-13 ARE*** 41- 44 R*4 NORTH COMPONENT (-Btheta or Satellite X-Axis) 45- 48 R*4 EAST COMPONENT (Bphi or Satellite Y-Axis) 49- 52 R*4 SATELLITE Z AXIS COMPONENT (along-track) ***IF DATA ARE IN SPACECRAFT COORDINATES, DATA PTS 11-13 ARE*** 41- 44 R*4 CROSS TRACK COMPONENT 45- 48 R*4 RADIALLY DOWN COMPONENT 49- 52 R*4 ALONG TRACK COMPONENT 53- 56 R*4 SCALAR TOTAL INTENSITY 57- 60 I*4 GEOCENTRIC ALTITUDE (Meters) ABOVE EARTH 61- 64 R*4 RESIDUAL OF X 65- 68 R*4 RESIDUAL OF Y 69- 72 R*4 RESIDUAL OF Z 73- 76 R*4 RESIDUAL OF B 77- 80 I*4 NUMBER OF DATA POINTS FOR TYPE X, Y, Z, B IN 5 deg X 5 deg BIN 81- 84 R*4 SIGMA OF RESIDUALS ABOUT THE MEAN FOR TYPE X, Y, Z, OR B IN 5 deg X 5 deg BIN 85- 88 I*4 MAG. LATITUDE OUTLIER FLAG FOR X AXIS 89- 92 I*4 MAG. LATITUDE OUTLIER FLAG FOR Y AXIS 93- 96 I*4 MAG. LATITUDE OUTLIER FLAG FOR Z AXIS 97-100 I*4 MAG. LATITUDE OUTLIER FLAG FOR TOTAL 101-104 R*4 AVERAGE OF RESIDUALS FOR TYPE X, Y, Z, B IN 5 deg X 5 deg BIN 105-108 R*4 SPARSE DATA SIGMA 109-112 R*4 Dst