COLUMNS FMT DESCRIPTION
HEADER RECORD:
1- 4 I*4 1= HEADER RECORD
5- 8 I*4 1= NEXT RECORD IS HEADER
2= NEXT RECORD IS DATA
9- 12 I*4 MODIFIED JULIAN DAY AT START OF PASS
13- 16 I*4 PASS (ORBIT) NUMBER STARTING AT THE POINT AT
WHICH THE SATELLITE CHANGES FROM SOUTH-GOING
TO NORTH-GOING
17- 24 (2)R*4 E,I AT ASCENDING NODE
25- 32 (2)R*4 E,I AT DESCENDING NODE
33- 40 (2)I*4 MILLISECONDS OF DAY AT:
1= ASCENDING NODE
2= DESCENDING NODE
41- 48 (2)R*4 LOCAL MEAN SUN TIME (Hours) AT:
1= ASCENDING NODE
2= DESCENDING NODE
49- 56 (2)R*4 LONGITUDE AT:
1= ASCENDING NODE
2= DESCENDING NODE
57- 64 (2)I*4 MAGNETIC ACTIVITY INDEX AT:
1= ASCENDING NODE
2= DESCENDING NODE
65- 88 (2,3)R*4 SPARE
89-136 (2,6)R*4 DISTURBANCE STORM TIME COEFFICIENTS
Dst(1,J)= ASCENDING NODE
Dst(2,J)= DESCENDING NODE
137-256 (30)R*4 COMMENTS RELATING TO THE FIELD MODEL
257-260 I*4 MAXIMUM VALUE OF SUBSCRIPTS IN GH
261-264 I*4 MAXIMUM VALUE OF SUBSCRIPTS IN GHT
265-268 I*4 1= USE EXTERNAL FIELD
269-272 R*4 TIME AT WHICH FIELD MODEL IS VALID
273-276 R*4 MEAN EARTH RADIUS FOR FIELD MODEL CALCULATIONS
277-1432 (17,17)R*4 FIELD MODEL COEFFICIENTS IN nT
GNM= GH(N,M)
HNM= GH(M-1,N)
1433-2216 (14,14)R*4 TIME DERIVATIVES OF GH (nT/YR)
2217-2228 (3)R*4 EXTERIOR FIELD MODEL COEFFICIENTS
DATA RECORD:
1- 4 I*4 2= DATA RECORD
5- 8 I*4 1= NEXT RECORD IS HEADER
2= NEXT RECORD IS DATA
9- 12 I*4 MODIFIED JULIAN DAY FOR FIRST POINT IN DATA RECORD
13- 16 I*4 MILLISECONDS FOR FIRST POINT IN THE DATA RECORD
17- 20 I*4 CURRENT PASS NUMBER
21- 24 I*4 TIME INTERVAL BETWEEN POINTS IN THIS
DATA RECORD (MSEC)
25-3024 (30,25)R*4 DATA VALUES FOR 25 VARIABLES AT 30 POINTS IN TIME
DATA(*,I)
I=1, GEOCENTRIC LATITUDE
I=2, LONGITUDE
I=3, RADIUS (KM)
I=4, MAGNETIC LOCAL TIME
I=5, INVARIANT LATITUDE
I=6, DIP LATITUDE
I=7, MAGNITUDE OF MEASURED MAGNETIC FIELD
FROM SCALAR DATA (Gammas)
I=8, MAGNITUDE OF MEASURED MAGNETIC FIELD
FROM VECTOR DATA (Gammas)
I=9, X COMPONENT MEASURED (Gammas)
(NEV COORDINATES)
I=10, Y COMPONENT MEASURED (Gammas)
(NEV COORDINATES)
I=11, Z COMPONENT MEASURED (Gammas)
(NEV COORDINATES)
I=12, AVERAGE OF 80 MEASURED VECTOR CHRONICLE
POINTS CORRESPONDING TO THIS POINT
I=13, AVERAGE OF 80 X COMPONENT CHRONICLE
POINTS CORRESPONDING TO THIS POINT
I=14, AVERAGE OF 80 Y COMPONENT CHRONICLE
POINTS CORRESPONDING TO THIS POINT
I=15, AVERAGE OF 80 Z COMPONENT CHRONICLE
POINTS CORRESPONDING TO THIS POINT
I=16, STANDARD DEVIATION OF 80 MEASURED VECTOR
CHRONICLE POINTS AROUND THIS POINT
I=17, STANDARD DEVIATION OF 80 X COMPONENT
CHRONICLE POINTS AROUND THIS POINT
I=18, STANDARD DEVIATION OF 80 Y COMPONENT
CHRONICLE POINTS AROUND THIS POINT
I=19, STANDARD DEVIATION OF 80 Z COMPONENT
CHRONICLE POINTS AROUND THIS POINT
I=20, MAGNITUDE OF MAGNETIC FIELD PREDICTED
FROM THE MODEL (Gammas)
I=21, X PREDICTED FROM THE MODEL (Gammas)
I=22, Y PREDICTED FROM THE MODEL (Gammas)
I=24, Z PREDICTED FROM THE MODEL (Gammas)
I=25, SPARE