... strbs instrument=<instr> ra=<ra> dec=<dec> apos=<apos> odffixout=true|false . bstoolsout=true|false . ... Given the prime instrument instr and its viewing direction in terms of Right Ascension and Declination of the boresight + astronomical position angle strbs computes the viewing direction of the star tracker and associated position angle - result is written to stdout in verbose form (default) or as an odffix command line if odffixout =true or as an insbs command line if bstoolsout =true. ...