Using GPS & VLBI Technology to Maintain 14 Digit Syntonization Open PDF Document Details Document Type Technical Report Publication Date Nov 01, 1984 Accession Number ADA498857 Entities People Samuel C. Ward Organizations California Institute of Technology Tags DTIC Thesaurus Topics Abstracts Atomic Beam Masers California Clocks Coaxial Cables Hydrogen Information Operations Jet Propulsion Masers Measuring Instruments Observatories Oscillators Standards Time Domain Time Intervals Technology Areas Space