TY - CONF AU - Stefania Romisch AU - Steven Jefferts AU - Thomas Parker C2 - Proceedings of the 2011 Joint IEEE International Frequency Control Symposium and European Frequency and Time Forum, San Francisco, CA DA - 2011-07-31 LA - en PB - Proceedings of the 2011 Joint IEEE International Frequency Control Symposium and European Frequency and Time Forum, San Francisco, CA PY - 2011 TI - Towards an all-digital time scale ER -