obsTable.addJoin( new JoinParentIndex(stns, parentIndexVar));
obsTable.addJoin( new JoinParentIndex(stns, parentIndexVar));
obsTable.addJoin( new JoinParentIndex(stns, parentIndexVar));
obsTable.addJoin( new JoinParentIndex(stns, parentIndexVar));
obsTable.addJoin( new JoinParentIndex(stns, parentIndexVar));
obsTable.addJoin( new JoinParentIndex(stns, parentIndexVar));