COLUMNS FMT DESCRIPTION 1- 4 I*4 MODIFIED JULIAN DAY FOR ALL DATA POINTS 5- 8 I*4 MILLISECOND OF DAY OF FIRST DATA POINT 9- 12 R*4 TIME INCREMENT BETWEEN DATA POINTS 13-7292 (1820)R*4 DATA POINTS INCREMENTED FROM BASE TIME 7293-7294 I*2 NUMBER OF DATA POINTS OF OVERLAP