national inst of standards and technology boulder co time and frequency div, 2005
Two-Way Satellite Time and Frequency Transfer "TWSTFT" has become an important component in the international system for comparing time and frequency over long...
national inst of standards and technology boulder co, 2002
The U.S. Naval Observatory (USNO) and the National Institute of Standards and Technology (NIST) have begun an investigation of the instabilities in Two-Way...