Planck constant in http://pdg.lbl.gov/2015/reviews/rpp2015-rev-phys-constants.pdf determined to 12 ppb. Planck constant in https://www.sciencedaily.com/releases/2016/06/160621115645.htm was measured with 34 ppb and it is a big step forward in replacing of Paris kilogram with more stable definition. They predict still a better measurement with this device. A similar measurement was with watt balance was also made in Canada a few years ago and it was precisier. A do not find link now. How it is possible that PDG have value 12 ppb, but value 34 ppb is good anyway? I suppose that value 12 ppb is measured also by watt ballance? What is connection among these values?