25th Annual PTTI Meeting 1993
November 29 - December 02, 1993
Ritz-Carlton Hotel
Marina Del Rey, CA
Meeting Officers
DoD and Navy PTTI Report
Richard E. Blumberg, U.S. Naval Observatory
STATUS OF FREQUENCY AND TIME SUPPORT FOR NASA SYSTEMS
Paul F. Kuhnle, Jet Propulsion Laboratory
Paul J. Kushmeider and S. Clark Wardrip, AlliedSignal Technical Services Corporation
Time and Frequency Technology at NIST
D. B. Sullivan, National Institute of Standards and Technology
EUROPEAN PTTI REPORT
Franco Cordara, Istituto Elettrotecnico Nazionale
Sabrina Grimaldi & Sigfrido Leschiutta, Politecnico di Torino
WORKSHOP A: ENSEMBLE MANAGEMENT
Sam Stein, Timing Solutions, Incorporated
WORKSHOP B: USER/SUPPLIER COMMUNICATION
Martin B. Bloch, Frequency Electronics, Inc.
WORKSHOP C: R&D/SALES/ENGINEERING
Jack Kusters, Hewlett-Packard Co.
AN OPERATIONAL CONTROL SEGMENT (OCS) UPDATE ON GPS CONSTELLATION STATUS AND FUTURE PROGRAM DIRECTIONS
Lieutenant Colonel Harrison C. Freer, United States Air Force
LORAN-C TIME MANAGEMENT
Mr. Charles Justice, LT Norm Mason and CDR Doug Taggart, United States Coast Guard
Report on NATO PTTI
Dr. J. Bishop, Ministry of Defence, London
Two-Way Satellite Time Transfer: Overview and Recent Developments
Gerrit de Jong, NMi Van Swinden Laboratorium
OPTICAL TECHNIQUES FOR TIME AND FREQUENCY TRANSFER
Francoise Baumont and Jean Gaignebet, Observatoire de la Côte d'Azur
GPS COMMON-VIEW TIME TRANSFER
W. Lewandowski, Bureau International des Poids et Mesures
Cascaded Clocks Measurement and Simulation Findings
Don Chislow and George Zampetti, Telecom Solutions
Time and Position Accuracy using Codeless GPS
C. E. Dunn, D. C. Jefferson, S. M. Lichten, J. B. Thomas, Y. Vigue and L. E. Young, Jet Propulsion Laboratory
THE USE OF THE AOA TTR-4P GPS RECEIVER IN OPERATION AT THE BIPM FOR REAL-TIME RESTITUTION OF GPS TIME
Claudine Thomas, Bureau International des Poids et Mesures
DEVELOPMENT OF AN ACCURATE TRANSMISSION LINE FAULT LOCATOR USING THE GLOBAL POSITIONING SYSTEM SATELLITES
Harry Lee, B.C. Hydro and Power Authority
Relativistic theory for picosecond time transfer in the vicinity of the Earth
G. Petit, Bureau International des Poids et Mesures
P. Wolf, Queen Mary and Westfield College
A REAL-TIME PREDICTION OF UTC
Claudine Thomas, Bureau International des Poids et Mesures
David W. Allan, Allan's TIME
TROPOSPHERIC CORRECTIONS TO GPS MEASUREMENTS USING LOCALLY MEASURED METEOROLOGICAL PARAMETERS COMPARED WITH GENERAL TROPOSPHERIC CORRECTIONS
D. Kirchner and C. Lentz, Technical University Graz
H. Ressler, Space Research Institute
Accuracy Metrics for Judging Time Scale Algorithms
R. J. Douglas, J.-S. Boulanger and C. Jacques, National Research Council of Canada
TIME TRANSFER USING GEOSTATIONARY SATELLITES: IMPLEMENTATION OF A KALMAN FILTER
F. Meyer, Observatoire de Besançon
The Two-Way Time Synchronization System via a Satellite Voice Channel
Zheng Hengqiu, Zhang Ren-huan, Hu Yong-hui, Shaanxi Astronomical 0bservatory
Remote Clocks Linked by a Fully Calibrated Two-Way Timing Link
James A. DeYoung, U.S. Naval Observatory
Ronald J. Andrukitis, U.S. Naval Observatory Time Service Substation
A Comparison of GPS Broadcast and DMA Precise Ephemerides
Marc A. Weiss, National Institute of Standards and Technology
Gerard Petit, International Bureau of Weights and Measures
Steve Shattil, T Tauri Research
SOME APPLICATIONS OF GPS TIMING INFORMATION
Yinbai Zhang, Beijing Institute of Radio Metrology and Measurement
A COMPARISON OF SEVERAL GPS DATA REDUCTION METHODS
H. Chadsey, U.S. Naval Observatory
CESIUM AND RUBIDIUM FREQUENCY STANDARDS STATUS AND PERFORMANCE ON THE GPS PROGRAM
M. J. VAN MELLE, Rockwell Space and Operation Center
Hydrogen Masers and Cesium Fountains at NRC
J.-S. Boulanger, D. Morris, R.J. Douglas and M.-C. Gagné, INMS, National Research Council
COMPARISON OF LASSO AND GPS TIME TRANSFERS
W. Lewandowski, G. Petit, Bureau International des Poids et Mesure
F. Baumont, P, Ridelance, J. Gaignebet, P. Grudler, C. Veillet, Observatoire de la Côte d'Azur
W. J. Klepczynski, U.S. Naval Observatory
LASSO EXPERIMENT: INTERCALIBRATIONS OF THE LASSO RANGING STATIONS
J.Gaignebet and J.-L. Hatat W. Klepczxnski and L. McCubin J.F. Mangin and J.M. Torre, Observatoire de la Côte d'Azur
W. Klepczxnski and L. McCubin, U.S. Naval Observatory
J. Wiant and R. Rickefs, McDonald Observatory, Texas
NOISE AND DRIFT ANALYSIS OF NON-EQUALLY SPACED TIMING DATA
F. Vernotte, G. Zalamansky, Observatoire de Besançon
E. Lant, Laboratoire d'0ptique P. M. Duffieux
AN ALGORITHM FOR THE ITALIAN ATOMIC TIME SCALE
F. Cordara, G. Vizio, P. Tavella, V. Pettiti, Istituto Elettrotecnico Nazionale Galileo Ferraris
A COMPARATIVE STUDY OF CLOCK RATE AND DRIFT ESTIMATION
Lee A. Breakiron, U.S. Naval Observatory
Providing Hydrogen Maser Timing Stability to Orbiting VLBI Radio Telescope Observations by Post-Measurement Compensation of Linked Frequency Standard Imperfect ions
James C. Springett, NeoComm Systems, Inc.
PRECISION FREQUENCY SYNTHESIZING SOURCES WITH EXCELLENT TIME/FREQUENCY PERFORMANCES
Liren Zhou, Hai Lin, Beijing Institute of Radio Metrology & Measurement
TIME MAINTENANCE SYSTEM FOR THE BMDO MSX SPACECRAFT
Martin J. Hermes, Johns Hopkins University
MEASUREMENT OF THE FREQUENCY STABILITY OF RESPONDERS IN AIRCRAFT
Xiaofan Liu, Beijing Institute of Radio Metrology & Measurement
GROUND CONTROL SYSTEM FOR THE MIDCOURSE SPACE EXPERIMENT UTC CLOCK
Richard Dragonette, Johns Hopkins University
TIME SYNCHRONIZED VIDEO SYSTEMS
Ron Burnett, ESE/SEKAI
Hydrogen Maser Clocks in Space for Solid-Earth Research and Time-Transfer Applications: Experiment Overview and Evaluation of Russian Miniature Sapphire Loaded Cavity
G. Busca, L.G. Bernier, Observatoire de Neuchâtel (ON)
P. Silvestrin, S. Feltham, European Space Agency (ESA)
B.A. Gaygerov, V.M. Tatarenkov, NPO VNIIFTRI, Mendeleevo
PANEL DISCUSSION ON WORKSHOPS
Ron Beard: Moderator, U.S. Naval Research Laboratory
Ionospheric Corrections to Precise Time Transfer using GPS
Robert W, Snow and Allen W. Osborne III, Allen Osborne Associates, Inc.
John A. Klobuchar, Phillips Laboratory
Patricia H. Doherty, Boston College
The NIST Internet Time Service
Judab Levine, National Institute of Standards and Technology
REPORTS ON OTHER CONFERENCES
Jack Kusters, Hewlett-Packard
EUROPEAN FREQUENCY AND TIME FORUM
Laurent-Guy Bernier, Observatory de Neuchatel
INSTITUTE OF NAVIGATION
Ron Beard, Naval Research Laboratory
CIVIL GPS SERVICE INTERFACE COMMITTEE MEETING
David Allan, Allan's Time
RUSSIAN NATIONAL TIME SCALE LONG-TERM STABILITY
A.P.Al'shina, B,A.Gaigerov, N.B.Koshelyaevsky, S.B.Pushkin, Institute of Metrology for Time and Space
USING GLONASS SIGNAL FOR CLOCK SYNCHRONIZATION
Prof. Yuri G.Gouzhva, Prof. Anid G.Gevorkyan, Dr. Pyotr P.Eogdanov, Dr. Vitaly V. Ovchinnikov, Russian Institute of Radionavigation and Time
A LOOK INTO THE CRYSTAL BALL, THE NEXT 25 YEARS
Helmut Hellwig, Air Force Office of Scientific Research
FREQUENCY STANDARDS FROM GOVERNMENT LABORATORIES OVER THE NEXT 25 YEARS
L. Maleki, Jet Propulsion Laboratory
FREQUENCY STANDARDS FROM INDUSTRY OVER THE NEXT TWENTY FIVE YEARS
Leonard S. Cutler, Hewlett-Packard Laboratories
The Future of Time and Frequency Dissemination
Judah Levine, National Institute of Standards and Technology