07/03/03 48821 CTB Converted to XML format "data values to be used in computing the Coordinate System Parameters contained in the group parameters of the FITS data files. C*10 si aperture identifier: si_name + si_aperture the relation is indexed by the si identifier C*17 effective date (yyyy.DDD) before which the data for this aperture must not be used I*2 +1/-1... parity value used in the transformation from the sics to the v2v3 system R*8 v2 coordinate of aperture reference point in arc seconds R*8 v3 coordinate of aperture reference point in arc seconds R*8 pixel increment in arc seconds R*8 line increment in arc seconds R*8 angle, in degrees, from v3 to the line of increasing pixels, positive counterclockwise viewed along positive v1 axis. R*8 angle, in degrees, from v3 to the line of increasing lines, positive counterclockwise viewed along positive v1 axis. R*8 x coordinate of the reference pixel R*8 y coordinate of the reference pixel ZCGG5SI_TYPE Data for each SI aperture OPUS unique clustered