07/03/03 48821 CTB Converted to XML format "Data values to be used in computing the aperture position and orientation for OMS jitter files or OPUS target acquistion software, where the use-date refers to the start time of the first SMS which used these values." C*10 "si aperture identifier: si_name + si_aperture the relation is indexed by the si identifier" C*17 "usage date (yyyy.ddd:hh:mm:ss) at SMS start, 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." SI_APERTURE_TYPE Data for each SI aperture OMS unique clustered