NASA will be performing network maintenance on Thursday, July 25, 2024, from 09:00 AM EDT (13:00 UTC) to 11:00 AM EDT (15:00 UTC). The ILRS website and ALL CDDIS services will be unavailable during the maintenance window. If you experience problems outside this window, contact support-cddis@earthdata.nasa.gov.

close window
-->

Twentieth International Workshop on Laser Ranging

Potsdam, Germany
October 09-14, 2016

Oral Sessions:

Session 00: Introduction and invited talks

  • Introduction
  • ILRS Overview, Michael Pearlman/Harvard-Smithsonian Center for Astrophysics
  • The Role of GGOS, Robert Heinkelmann/GFZ German Research Centre for Geosciences
  • Reference Frames for science and society and the fundamental contribution of Satellite Laser Ranging to the ITRF (Invited) - Zuheir Altamimi/IGN, Paris
  • Laser Ranging Contributions to Earth Rotation Studies (Invited) - Richard Gross/Jet Propulsion Laboratory, Pasadena

Session 01: Strategies and priorities for laser ranging

  • Strategies and Priorities for Laser Ranging - Michael Pearlman/Harvard-Smithsonian Center for Astrophysics
  • Methods for coordinate and time data collection in the laser station "Tochka" - Sergey Martynov/Precision Systems Instruments, Moscow
  • Multi-satellite tracking at SGF Herstmonceux - Rob Sherwood/SGF Herstmonceux, Hailsham
  • NASA SLR Network scheduling and considerations for improvement - David McCormick/NASA GSFC, Greenbelt
  • Yarragadee SLR station (MOBLAS-5) scheduling and optimal tracking strategies - Randall Carman/Geoscience, Australia
  • Simulation of realistic SLR observations to optimize tracking scenarios - Florian Andritsch/University Berne
  • Satellite laser ranging network: Where should a new station be placed? - Toshimichi Otsubo/Hitotsubashi University, Tokyo

Session 02: Progress in laser ranging analysis

  • Contribution of consistent laser observations to Earth system sciences - Mathis Bloßfeld/DGFI TUM
  • Reconciling Estimates of Annual Geocenter Motion from Space Geodesy - John C Ries/ Center for Space Research, Austin
  • Accuracy of adopted centre of mass corrections for the Etalon geodetic satellites - José Rodríguez/BGS Space Geodesy Facility
  • SLR parameter estimation under the influence of mass redistributions - Matthias Weigelt/BKG, Frankfurt
  • A new general model for the evolution of the Spin vector of the two LAGEOS satellites and LARES and the LARASE research program - Lucchesi D.M./INFN and INAF/IAPS, Rome

Invited Talk

  • Ranging the GNSS Constellation (Invited) - Urs Hugentobler/Technical University Munich

Session 03: Co-locations and other intra- and inter- technique calibrations

  • The current state of ground surveys - Sten Bergstrand/SP Technical Research Institute of Sweden
  • Systematic Bias Elimination by Co-locations as well as by Intra- and Inter- Technique Closure Measurements - Ulrich Schreiber/Technical University Bad Koetzting
  • Multi-Technique Ground Target - Jan Kodet/Technical University Munich
  • NASA's Next Generation Space Geodesy Co-located Sites - Stephen Merkowitz/NASA GSFC, Greenbelt
  • SGSLR Site Preparation and Deployment Plans for the First Set of SGSLR Systems - Scott Wetzel/Honeywell, Lanham
  • New face of the Borowiec Satellite Laser Ranging Station - Pawel Lejba/Space Research Center, Kornik

Session 04: Current trends in lunar ranging

  • Timing Calibration of the APOLLO Experiment - James Battat/Wellesley College
  • Lunar laser ranging In Infrared - Clement Courde/Geoazur, Caussols
  • Geopositioning and precision validation of landing locations on the Moon using LRO NAC images and LRRRs - B. Liu/Chinese Academy Sciences, Beijing
  • Determining parameters of the Moon's orbital and rotational motion from LLR observations using GRAIL and IERS-recommended models - Vladimir Suvorkin/Institute Applied Astronomy, St. Petersburg
  • Update of the IfE LLR analysis model and new fit of relativistic parameters - Franz Hofmann/Institut f. Erdmessung, Hannover
  • New results for the INPOP lunar ephemerides : new modelings for the inner structure and IR LLR data - Agnes Fienga/CNRS Geoazur, Valbonne
  • Parameters of new version of Lunar Ephemeris EPM2015 at the base of LLR observations 1970-2016 years - Yagudina E./Institute Applied Astronomy, St. Petersburg
  • Clinic intro in main auditorium and move to 1st clinic station, David McCormick/NASA GSFC, Greenbelt

Session 05: Automation of laser ranging systems

  • Trials and limits of automation: Experiences from the Zimmerwald well characterized and fully automated SLR-system - Pierre Lauber/University Berne
  • Current status of automation of the SLRsystems at the Geodetic Observatory Wettzell - A. Neidhardt/FESG, TU of Munich
  • Autonomous tracking with High Repetition Rate Systems - Stefan Riepl/BKG, Bad Koetzting
  • Towards optimal pass scheduling for SLR - Jens Steinborn/DiGOS Potsdam GmbH
  • Designing NASA's Next Generation SLR stations with the goal of full automation - Jan McGarry/NASA GSFC, Greenbelt
  • Progress on the multifunctional range receiver for SGSLR - John Degnan/Sigma Space Corporation, Lanham
  • An upgraded SGSLR link analysis which includes the effects of atmospheric scintillation and target speckle - John Degnan/Sigma Space Corporation, Lanham

Session 06: Understanding and addressing SLR station systematics

  • Systematics at the SGF, Herstmonceux - Matthew Wilkinson/Space Geodesy Facility, Hailsham
  • Identification and calibration of one-way systematic biases in SLR system - Ivan Prochazka/Czech Technical University
  • New external calibration target on 1824 - Mykhaylo Medvedskyy/Main Astronomical Observatory, Kiev
  • Improvements of Changchun SLR Station - Xue Dong/Changchun Observatory
  • Assessing and enforcing single-photon returns: Poisson filtering - José Rodríguez/BGS Space Geodesy Facility
  • Detection of various SLR systematic errors for mm accuracy - Toshimichi Otsubo/Hitotsubashi University, Tokyo
  • Quality control and bias analysis at DGFI-TUM - Horst Müller/DGFI-TUM, Munich
  • JCET Station Performance Assessment Tools for the ILRS Stations - Erricos C. Pavlis/Center Earth Systems Technology, Baltimore
  • Assessment of systematic error estimation - Vincenza Luceri/e-GEOS S.p.A., Matera
  • Ranging error determination using geodetic satellites in support of altimeter mission precise orbit determination - Franck Reinquin CNES/GRGS, Toulouse
  • SLR signature effect for Galileo with a focus on satellites launched into incorrect orbital planes - Krzysztof Sosnica/Wroclaw University

Invited Talk

  • On the principles of satellite-based Gravity Field Determination with special focus on the Satellite Laser Ranging technique (Invited) - Christoph Förste/GFZ, Potsdam

Session 07: Advances in laser ranging technology and new applications

  • Optical metrology in space geodesy - Ulrich Schreiber/Technical University, Bad Koetzting
  • The Gimbal and Telescope Assembly for NASA's Next Generation Space Geodesy SLR Systems - H. Donovan/NASA SGSLR, Lanham
  • SGSLR Range Control Electronics Design and Implementation - Evan Hoffman/NASA GSFC, Greenbelt
  • 1064nm Laser Ranging Experiment using Superconducting nanowire single photon detector at Kunming SLR Station - Honglin Fu/Yunnan Observatories
  • Advances in laser ranging technology at CTU in Prague and new SLR applications - Ivan Prochazka/Czech Technical University
  • The Impact of Single Photon SLR Technology on Large Scale Topo-Bathymetric Mapping - John Degnan/Sigma Space Corporation, Lanham
  • Recent achievements in mono-static, high repetition rate ranging at the WLRS - Johann Eckl/BKG, Bad Koetzting
  • Tracking up to geostationary satellites with 15uJ laser and 70cm standard astronomical telescope - Peiyuan Wang/Austrian Academy of Sciences
  • Concept of a modular, multi-laser, multi-purpose SLR station - Georg Kirchner/Austrian Academy of Sciences
  • The Italian Ministry of Research's Project 'Laser Ranging to Galileo' - L. Porcelli/INFN-LNF, Frascati
  • Monolithic high energy picosecond laser sources for laser ranging applications - Andreas Boerner/InnoLas Laser GmbH, Krailling
  • Satellite Laser Ranging with a fibre-based transmitter - Daniel Hampf/DLR, Stuttgart
  • Advanced Solid State Lasers for Space Tracking - Yue Gao/EOS and SERC, Canberra

Session 08: Advances in retroreflector arrays and their modeling

  • Reducing the satellite contribution to range error - John J. Degnan/Sigma Space Corporation, Lanham
  • LAGEOS-2 and Circular Polarization - David Arnold/Smithsonian Astrophysical Observatory
  • Preliminary results of the laser ranging space experiment of spacecraft «Lomonosov» - A.L. Sokolov/JSC Res. Prod., Moscow
  • Optical Tests of a Large Number of Small COTS Cubes - Ludwig Grunwaldt/GFZ, Potsdam
  • Current Status of Next Generation Retroreflector for Lunar Laser Ranging - Douglas Currie/University Maryland
  • Large corner-cube retroreflector and laser ranging for Chang'e-4 relay satellite - Hsien-Chi Yeh/School Physics Astronomy, Guangzhou
  • On-Orbit Calibration of Laser Beam Intensity - B. Greene/SERC and EOS, Weston Creek

Session 09: Interplanetary ranging and time transfer

  • Testing Fundamental Physics with Clocks in Space: The ACES Mission - U. Schreiber/Technical University, Bad Koetzting
  • Status of the ELT data center - Schlicht, A./Technical University, Munich
  • The Project and plan of ground-satellite Laser Time Transfer in China - Wendong Meng/Shanghai Astronomical Observatory
  • The Moon and Mars as Laser-ranged Test Bodies for General Relativity - Simone Dell'Agnello/INFN-LNF, Frascati
  • Laser link experiment between Hayabusa2 laser altimeter and SLR stations - Hirotomo Noda/National Astronomical Observatory, Mitaka
  • Can Planetary SLR Measure the Expansion of the Solar System? - David E Smith/Massachusetts Institute Technology

Invited Talk

  • Relativity and Fundamental Physics (Invited) - Sergei Kopeikin/University of Missouri

Session 10: SLR tracking of space debris

  • ESA activities on satellite laser ranging to non-cooperative objects - T. Flohrer/ESA, Darmstadt
  • The scientific results of the optional laser tracking campaigns to the defunct satellites Envisat and Topex - Daniel Kucharski/SERC, Weston Creek
  • Stare and chase of space debris targets using real-time derived pointing data - Michael Steindorfer/Space Research Institute, Graz
  • Application of adaptive optics in Space Debris tracking - Francis Bennet/Australian National University
  • Two-color and multistatic space debris laser tracking - Fabian Sproll/Institute Technical Physics, Stuttgart
  • Validation and assessment of space debris orbits based on two-color and multi-static laser tracking data - Christoph Bamann/Technical University, Munich
  • A 53cm-binoculars telescope high-frequency debris laser ranging system - Zhang Haitao/Yunnan Observatories, Kunming
  • Orbit Determination and Conversion Processes at the Space Debris Office - Quirin Funke/ESA, Darmstadt
  • A method for sampling debris laser ranging data to generate range rates for orbit determination - James Bennett/SERC and EOS, Weston Creek
  • Orbit Determination of CZ-2C Rocket bodies with SLR - Liang Zhipeng/Changchun Observatory

Poster Sessions:

Addendum posters to the oral sessions

  • SGSLR automation and the Computer and Software subsystem design - Julie Horvath/NASA Lanham
  • Lidar system on Kiev SLR 1824 - Mykhaylo Medvedskyy/Main Astronomical Observatory, Kiev
  • An improved toolset for aircraft safety and sky condition monitoring at Metsähovi SLR-station - Arttu Raja-Halli/Finnish Geospatial Research Institute
  • Applications of SLR data to the attitue determination of defunct satellites - T. Schildknecht/Astronomical Institute, Bern
  • Development of software for Lunar Laser Ranging data analysis at TianQin Research Center for Gravitational Physics - W. Tian/Sun Yat-sen University, Zhuhai
  • Plans and activities within the NASA SLR Operational Network towards meeting ILRS data requirements - Thomas Varghese/Cybioms Corporation, Rockville
  • Progress of Laser Measurement to Space Debris at Shanghai SLR Station - Zhang Zhongping/Shanghai Astronomical Observatorys

General topics in laser ranging posters

  • Riga Event Timers in compact implementations - E.Boole/Inst. Electr. Comp. Science, Riga
  • Extension of the A033-ET family - Igors Buraks/Inst. Elec. Comp. Science, Riga
  • SLR Station 1884, Riga, Upgrading the Station Calibration Procedures - Jorge del Pino/Institute of Astronomy, Riga
  • A 170 mm hollow corner cube retro-reflector on Chang’e 4 lunar relay satellite - Yun He/Huazhong Univ. Science Techn.
  • Development of High Repetition-rate Laser Ranging System - Sung Ki Pyoung/Korea Astron. Space Science Inst.
  • Advanced Visual Object Recognition for In-Sky-Laser Safety - Andreas Leidig/BKG, Bad Koetzting
  • GNSS orbit validation activities at the Astronomical Institute in Bern - Andrea Maier/University Berne
  • Interannual geocenter motion with relation to El Niño Southern Oscillation - Koji Matsuo/Geospatial Information Authority, Tsukuba
  • Timing system for the lunar laser ranging station at HartRAO, South Africa: preliminary results - Cilence Munghemezulu/HartRAO Pretoria
  • CDDIS Data Center: An Update - Carey Noll/NASA GSFC, Greenbelt
  • Application of GT668 event timer in Satellite Laser Ranging - Xiaoyu Pi/Yunnan Observatorie, Kunming
  • Estimation of Electronics Component Contribution in the Overall Measurement Error at SLR Station Riga - Kalvis Salmins/Institute of Astronomy, Riga
  • EUROLAS Data Center (EDC) - Recent developments of the EDC - C. Schwatke/DGFI-TUM, Munich
  • EUROLAS Data Center (EDC) - Status report 2014 - 2016 - C. Schwatke/DGFI-TUM, Munich
  • Enhanced satellite laser ranging project - A.Treijs/HEE Photonic Labs Ltd., Riga
  • Prototyping a thermal monitoring system for the one-metre aperture Lunar Laser Ranger tube assembly based at the Hartebeesthoek Radio Astronomy Observatory - Philemon Tsele/University of Pretoria
  • Upgraded Servo-control system for Matera 1.5 meter telescope - Thomas Varghese/Cybioms Corporation, Rockville
  • Multi-purpose True Event Timer Module - V. Vedin/Inst. Electronics Comp. Sc., Riga
  • SGF, Herstmonceux in-sky safety system testing using ADS-B - Matthew Wilkinson/Space Geodesy Facility, Hailsham
  • A new laser ranging calibration target suited for accurate surveying at the SGF, Herstmonceux - Matthew Wilkinson/Space Geodesy Facility, Hailsham
  • The NESC Forum: online and open to the ILRS community - Matthew Wilkinson/Space Geodesy Facility, Hailsham
  • The Current Status and Future Development of Automatic Control of Laser Ranging System at Shanghai Stations - Haifeng Zhang/Shanghai Astronomical Observatory

ILRS mission posters

  • The ILRS campaign for the GREAT experiment - Pacôme Delva/Observatoire de Paris
  • The Copernicus Sentinel-3 Mission - J. Fernández/GMV, Tres Cantos
  • The ILRS contributions to the GRACE mission and its success - Koenig, R./GFZ, Potsdam
  • The ILRS contributions to the TerraSAR-X/TanDEM-X mission and its success - Koenig, R./GFZ, Potsdam
  • The status of the Jason 2 & 3 missions with respect to POD and the contributions of SLR - F.G. Lemoine/NASA GSFC, Greenbelt
  • Relativistic corrections in the European Laser Timing (ELT) experiment - Stefan Marz/Technical University Munich
  • The Contributions of ILRS Laser Ranging to the Lunar Reconnaissance Orbiter Mission - Jan McGarry/NASA GSFC, Greenbelt
  • Ajisai celebrates 30 years in space - Shinichi Nakamura/JAXA, Ibaraki
  • Time series of SpinSat return intensity: How long can BK7 reflectors survive in space? - Toshimichi Otsubo/Hitotsubashi University, Tokyo
  • Enabling precise geo-spatial calibration of the GLM sensor on board the GOES-R satellite using ground-based Laser beacons from NASA Moblas 4 and 7 - Thomas Varghese/Cybioms Corporation, Rockville

ILRS station posters

  • Recoating the MLRO 1.5 m primary mirror - Giuseppe Bianco/Agenzia Spaziale Italiana
  • New state-of-the-art observatory in Ny-Ålesund, Spitsbergen, Norway - Gøril M. Breivik/Norwegian Mapping Authority
  • Current Status and Plan of the First Korean Satellite Laser Ranging System(ARGO-M) - Man-Soo Choi/Korea Astron. Space Science Inst.
  • Technical Aspects and Progress of Korean 1m Satellite Laser Ranging System - Man-Soo Choi/Korea Astron. Space Science Inst.
  • Wettzell SLR: The first year of operating 2 SLR systems in one place - Guenther Herold/BKG, Bad Koetzting
  • A-RGG development for 10 kHz Laser Ranging of Sejong station - Neung-Hyun Ka/Korea Astron. Space Science Inst.
  • Yebes Observatory: Future Core Site and Laser Ranging Station Status - José Antonio López Fernández/Yebes Observatory
  • Current status of the new Metsähovi kHz SLR system - Jyri Näränen/Finnish Geospatial Research Institute
  • Preliminary Performance Analysis for the Korean SLR station "SEJONG (SEJL)-73942601" - Eunseo Park/Korea Astron. Space Science Institute
  • Current status of the Russian SLR network and plans for the future - S. Martynov/Precision Systems Instr., Moscow
  • SLR Station Riga Status Report - K. Salmins/Institute of Astronomy, Riga
  • Recent Upgrades at the U.S. Naval Research Laboratory's Optical Test Facility - Reed Smith/U.S. Naval Research Laboratory
  • Deployment of millimeter SLR systems in India with automation features - Thomas Varghese/Cybioms Corporation, Rockville
  • The Current Status of Chinese Satellites Observation in ILRS List of Tracking Mission and Future Development - Zhang Zhongping/Shanghai Astronomical Observatory
  • Measurement automation implemented in the laser station "Tochka" - M. A. Sadovnikov/OJC "RPC "PSI"