subroutine kset_default_vtx_errors(sigs)
*
* begin_doc
*
*  Set default (x,y,z) errors for unknown vertices (used by kvtx_unknown).
*
*  Input Parameters:
*  sigs(3)        double precision array
*                 (x,y,z) default errors to use in kvtx_unknown
*
*  Output Parameters:
*
*  Other routines:
*
*  Notes:
*
*  Author:   Paul R Avery      Created:  Mon Jul 28 10:46:56 EDT 1997
*
*  Major revisions:
*
*
* end_doc