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 NOT USED 13- 16 R*4 FRACTION OF DAY 17- 20 R*4 TIME IN YEARS FROM 1900 21- 24 R*4 GEOCENTRIC LATITUDE 25- 28 R*4 LONGITUDE 29- 32 R*4 COMPUTED X (-Btheta from GSFC(9/80)) 33- 36 R*4 COMPUTED Y (Bphi from GSFC(9/80)) 37- 40 R*4 COMPUTED Z (Br from GSFC(9/80)) 41- 44 R*4 CORRECTED X 45- 48 R*4 CORRECTED Y 49- 52 R*4 CORRECTED Z 53- 56 R*4 CORRECTED F 57- 60 I*4 GEOCENTRIC ALTITUDE (M) ABOVE EARTH 61- 64 R*4 UNCORRECTED X 65- 68 R*4 UNCORRECTED Y 69- 72 R*4 UNCORRECTED Z 73- 76 R*4 UNCORRECTED F 77- 80 I*4 FLAG FOR UNCORRECTED X 81- 84 I*4 FLAG FOR UNCORRECTED Y 85- 88 I*4 FLAG FOR CORRECTED X 89- 92 I*4 FLAG FOR CORRECTED Y 93- 96 I*4 FLAG FOR CORRECTED Z 97-100 I*4 FLAG FOR CORRECTED F 101-104 I*4 FLAG FOR UNCORRECTED Z 105-108 I*4 FLAG FOR UNCORRECTED F 109-112 R*4 Dst