Two members of our consortium gave invited talks during the opening session of CLEO 2019. Project coordinator Helen Margolis from NPL spoke about ‘Optical clocks: from International timekeeping to gravity potential measurement’, immediately followed by Tanja Mehlstäubler from LUH on ‘Ultrastable optical atomic clocks for geodesy’. As part of these presentations, both Helen and Tanja… Read More


The ROCIT project started on 1 May 2019. A summary of the work to be carried out is available here.… Read More


An introduction to the ROCIT project was presented at the annual meeting of the EURAMET Technical Committee for Time and Frequency, held at NPL, UK, from 7 – 8 March 2019.… Read More