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Program

Presentations, posters, and papers from the workshop are available in PDF format sorted by session. The full agenda document is available.

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All files for the proceedings are stored in Adobe PDF format. The proceedings from this workshop will not be published in hardcopy form. Abstract/paper numbers were assigned and are included in the listing of papers below. To cite a paper from the workshop, please use the following format:

<<Author name(s)>>, <<Paper Title>>, presented at the 2017 ILRS Technical Workshop, Riga, Latvia, October 02-05, 2017.

Authors are asked to read the instructions for submitting papers for the web proceedings.

Sunday, October 01, 2017
15:00 - 18:00 Registration
link to agenda ASC presentations link to minutes 09:00 - 16:00 Analysis Standing Committee meeting
link to agenda link to presentations link to minutes 16:00 - 18:00 ILRS Governing Board meeting
Monday, October 02, 2017
Session 0: Workshop Welcome
link to presentation 09:00 - 09:30 Riga station history (K. Salmins)
Session 1: Satellite tracking and scheduling
Chairs: Mike Pearlman, Carey Noll, Jens Steinborn, Frank Lemoine
Session 1A - Overview
     
link to presentation 09:30 - 09:40 Introduction (M. Pearlman)
link to presentation 09:40 - 10:00 What is the role of GGOS and the ILRS role in GGOS (M. Rothacher/M. Pearlman)
link to presentation link to paper 10:00 - 10:15 Results of the ILRS User Survey (M. Pearlman)
10:15 - 10:30 Break
Session 1B - Requirements by Discipline
link to abstract link to presentation 10:30 - 10:45 Requirements for the ITRF (E. Pavlis)
link to abstract link to presentation 10:45 - 11:00 Requirements for Altimeter Missions (F. Lemoine)
  link to presentation link to paper 11:00 - 11:15 Requirements for GNSS (Galileo, GLONASS, Beidou, etc.) (G. Bury)
link to presentation 11:15 - 11:30 Requirements for GLONASS (M. Sadovnikov/V. Shargorodskiy)
link to abstract link to presentation 11:30 - 11:45 Requirements for CubeSat (M. Rothacher)
link to abstract link to presentation 11:45 - 12:00 Requirements for Supporting Other Applications (time varying gravity field, atmospheric drag) (T. Otsubo/M. Blossfeld)
12:00 - 13:00 Lunch
Session 1C - Current ILRS Network Performance
link to presentation link to paper 13:00 - 13:15 Review of ILRS Network Performance (M. Pearlman)
link to presentation 13:15 - 13:30 Rating Station Performance (E. Hoffman)
link to presentation 13:30 - 13:45 Setting ILRS Tracking Priorities (M. Pearlman)
13:45 - 14:15 Discussion
14:15 - 14:45 Break
Session 1D - ILRS Network Procedures
link to presentation 14:45 - 15:00 Issues with Satellite Predictions (J. Steinborn/G. Appleby)
link to presentation 15:00 - 15:15 Impact of Supporting Other Applications (G. Kirchner/G. Appleby)
link to presentation link to paper 15:15 - 15:25 Long Term View (M. Pearlman)
15:25 - 15:45 Poster Briefs (2 min each)
link to agenda link to presentations link to minutes 16:00 - 18:00 Data Formats and Procedures Standing Committee meeting
18:00 Ice Breaker
Tuesday, October 3, 2017
link to agenda 08:00 - 09:00 Transponder Standing Committee meeting
Session 2: Performance evaluation
Chairs: Erricos Pavlis, Toshi Otsubo, Horst Mueller, Cinzia Luceri
Session 2A - Overview & Ongoing ASC Efforts
link to presentation 09:00 - 09:15 Introduction (E. Pavlis)
link to abstract link to presentation 09:15 - 09:35 The ILRS ASC Pilot Project on systematic error estimation (C. Luceri)
link to abstract link to presentation link to paper 09:35 - 09:50 BKG’s Contribution to the ILRS Pilot Project on Systematic Errors (D. Koenig)
09:50 - 10:20 Break
Session 2B - State of the Network and Sources of Errors
link to abstract link to presentation 10:20 - 10:35 Evaluation of the present SLR tracking stations (H. Mueller)
link to abstract link to presentation 10:35 - 10:55 SLR error sources in the kHz repetition era: How should we improve the range measurement and the products? (T. Otsubo)
link to abstract link to presentation   link to movie 10:55 - 11:15 Variability of LAGEOS normal point sampling: causes and mitigation (J. Rodríguez)
link to abstract link to presentation 11:15 - 11:35 Effect of pulse length, rise time, signal strength, and type of detection system on the range correction for LAGEOS-2 (D. Arnold)
11:35 - 12:00 Discussion
12:00 - 13:00 Lunch
Session 2C - Hardware & External Tools to Improve Performance
link to abstract link to presentation link to paper 13:00 - 13:20 From Time Transfer by Laser Ranging to space geodetic products (A. Belli)
link to abstract link to presentation 13:20 - 13:40 Methods to increase ranging performance and accuracy implemented in the Russian new generation laser station ‹‹Tochka›› (S. Martynov)
13:40 - 14:00 Discussion
14:00 - 14:30 Break
Session 2D - ILRS Tools for Network Support
link to abstract link to presentation 14:30 - 14:50 JCET Tools for the Assessment of the ILRS Stations’ Performance (E. Pavlis)
link to abstract link to presentation 14:50 - 15:10 GOVUS – a new on-line tool for the evaluation of SLR observations to GPS, GLONASS, Galileo, BeiDou and QZSS (R. Zajdel)
link to abstract link to presentation 15:10 - 15:30 The ILRS Rapid Service Mail a tool to inform stations quickly about potential problem (T. Otsubo)
15:30 - 16:00 Discussion/Closing Remarks
link to presentations 16:00 - 17:00 Networks & Engineering Standing Committee meeting
link to agenda MSC presentation 17:00 - 18:00 Missions Standing Committee meeting
Wednesday, October 04, 2017
link to agenda link to presentations 08:00 - 09:00 Space Debris Study Group meeting
Session 3: Accuracy and scheduling
Chairs: Evan Hoffman, Kalvis Salmins, John Degnan, Ludwig Grunwaldt
Session 3A - What are the factors that are currently limiting performance (data quantity and quality)?
09:00 - 09:05 Introduction (E. Hoffman)
link to presentation 09:05 - 09:20 Survey Results and Discussion (E. Hoffman)
09:20 - 09:40 Discussion - Tools for tracking performance and reporting problems
link to abstract link to presentation link to paper 09:40 - 10:00 Transitioning the NASA SLR network from the Time Interval Mode to Event Timing Mode with improved Data quality and quantity (T. Varghese)
10:00 - 10:30 Break
link to abstract link to presentation link to paper 10:30 - 10:45 Challenges to Achieving Millimeter Accuracy Normal Points in Conventional Multiphoton and kHz Single Photon SLR Systems (J. Degnan)
link to presentation 10:45 - 11:00 Single versus multi-photon SLR using SPAD detectors (I. Prochazka)
Session 3B - Normal Point Generation
11:00 - 11:30 Discussion - Do we need a better or a more satellite and station specific definition of the NP?
11:30 - 11:55 Discussion - Occurrences of simultaneous LAGEOS/Cannonball Tracking, what do we get out of this? Should this be further studied?
link to presentation 11:55 - 12:00 Correlation of histograms for LAGEOS with actual returns (D. Arnold)
12:00 - 13:00 Lunch
Session 3C - Hardware & External Tools to Improve Performance
link to abstract link to presentation link to paper 13:00 - 13:15 Delay compensated Optical Time and Frequency Distribution for Space Geodesy (U. Schreiber)
link to abstracts link to presentation 13:15 - 13:30 Time Bias Analysis and Prediction: a Prototype Service (S. Bauer)
link to abstract link to presentation link to paper 13:30 - 13:45 Sky Clarity Comparison between Riga and Metsahovi SLR Stations (J. del Pino)
13:45 - 14:00 Discussion - Should the ILRS provide individual tracking schedules for clustered stations to optimize satellite coverage?
14:00 - 14:30 Break
Session 3D - Poster Session
14:30 - 16:00 Poster session
18:00 - 21:00 Workshop dinner
Thursday, October 05, 2017
Session 4: Automation and autonomous station operation
Chairs: Jan McGarry, Georg Kirchner, Chris Moore, Pierre Lauber
Session 4A - Introduction and Current State of the ILRS
link to presentation     Introduction (J. McGarry)
link to abstract link to presentation link to paper link to animation 09:00 - 19:15 Automatic scheduling of satellite passages at the SOS-W (S. Riepl)
link to abstract link to presentation link to paper 09:15 - 09:30 OOOS: A hardware-independent SLR control system (D. Hampf)
link to abstract link to presentation 09:30 - 09:45 Potsdam automation (S. Bauer)
link to abstract link to presentation link to paper 09:45 - 10:00 The new Korean SLR system and its automatic operation (H. Lim)
link to abstract link to presentation link to paper 10:00 - 10:10 Automated operations in Changchun station: current (part I) (Z. Liang)
link to abstract link to presentation 10:10 - 10:20 Mt. Stromlo experience gained with automation: part I (C. Moore)
10:20 - 10:35 Discussion – Based on the talks and other experiences, what
automation is now working/operation in ILRS stations
10:35 - 11:00 Break
Session 4B - What is Planned for the Next 5
link to abstract presentation 11:00 - 11:10 Mt. Stromlo automation in progress: part II (C. Moore)
link to abstract link to presentation link to paper 11:10 - 11:20 Automated operations in Changchun station: plans (part II) (Z. Liang)
link to abstract link to presentation link to paper 11:20 - 11:30 Plans for a fully automated SGSLR system: part I (J. McGarry)
link to abstract link to presentation 11:30 - 11:45 SGSLR acquisition and tracking automation (E. Hoffman)
11:45 - 12:00 Discussion – Based on the talks, what looks like it might work for other
stations? What are the plans for other stations?
Session 4C - Bringing Automation to More ILRS Stations
link to presentation link to paper 12:00 - 12:15 Optimization of Automated Tracking with Situational Awareness (T. Varghese)
link to abstract link to presentation link to paper 12:15 - 12:30 When Does Automation Make Sense? (R. Ricklefs)
link to abstract link to presentaation 12:30 - 12:45 Scheduling for the future NASA SGSLR Network (off-shoot of abstract submitted to session 3) (J. Horvath)
    12:45 - 13:15 Discussion – Getting automation to more ILRS stations. Is it for
everyone? Where should we be attempting to go?
    13:15 - 14:30 Lunch
Session 4D - Future of Automation in the ILRS and Issues Related to Automation
link to abstract link to presentation link to paper 14:30 - 14:45 Plans for a fully automated SGSLR system: part II (future of SGSLR Network) (J. McGarry)
link to abstract link to presentation 14:45 - 15:00 Safety/Security Concerns when Automating SLR Systems (S. Wetzel/H. Donovan)
15:00 - 15:30 Discussion – What are the big issues in getting SLR systems fully
autonomous? How automated will the ILRS be in 10 years? Where
would we like to be? What is realistic?
Session 4E - Posters
15:30 16:00 Break
Session 5: Wrap-Up
Chairs: Mike Pearlman, Kalvis Salmins
Workshop and Session Summaries
link to presentation 16:00 - 16:10 Session 1 (Satellite Tracking and Scheduling) Summary (M. Pearlman)
link to presentation 16:10 - 16:20 Session 2 (Performance Evaluation) Summary (E. Pavlis)
link to presentation 16:20 - 16:30 Session 3 (Accuracy and Scheduling) Summary (E. Hoffman)
link to presentation 16:30 - 16:40 Session 4 (Automation and Autonomous Station Operation) Summary (J. McGarry)
link to presentation 16:40 - 16:55 Workshop Summary and Resolutions (M. Pearlman)
Standing Committee/Study Group Summaries
link to presentation 16:55 - 17:05 Analysis SC Summary (E. Pavlis)
link to prsentation 17:05 - 17:15 Data Formats and Procedures SC Summary (H. Mueller)
presentation 17:15 - 17:25 Transponder SC Summary (U. Schreiber)
link to presentation 17:25 - 17:35 Networks and Engineering SC Summary (G. Kirchner)
link to presentation 17:35 - 17:45 Missions SC Summary (T. Otsubo)
link to presentation 17:45 - 17:55 Space Debris SG Summary (G. Kirchner)
Other
link to presentation 17:55 - 18:00 21st International Workshop on Laser Ranging Plans (J. Bennett/M. Fulton)
18:00 - 18:15 Discussion (M. Pearlman/Kalvis Salmins)
18:15   Workshop Close
Friday, October 06, 2017
09:00 - 12:30 SLR station visit - limit 25 per group. Immediately after station visit there will be an option to go straight from SLR station to airport if necessary.

abstracts

36 abstracts of 50 presentations

presentations

50 presentations

paper

20 papers of 50 presentations


Posters

Session 1 - Satellite tracking and scheduling
link to abstract link to presentation Combined multi-GNSS+LAGEOS solutions with the focus on SLR station coordinates, Earth rotation parameters, geocenter and the scale of the reference frame (K. Sosnica)
link to abstract link to poster link to paper The Copernicus Sentinel-3 mission and the tandem constellation of Sentinel-3A and -3B (Jaime Fernández)
link to abstract link to poster COTS reflectors application on Technosat (P. Wang)
link to abstract   EUROLAS Data Center (EDC) - Updated Procedure for Station History Logs and Site Logs (C. Schwatke)
link to abstract link to poster Ground station requirements for the ELT experiment (J. Eckl)
link to abstract link to poster ILRS Site Configuration Project: 2015 Questionnaire Summary (K. Evans)
link to abstract link to poster ILRS Tracking Data Requirements Survey 2017 (M. Kuzmicz-Cieslak)
link to abstract link to poster Information on the development of new equipment for the control of the laser station 1824 - Golosiiv-Kyiv (M. Medvedskyy)
link to abstract link to poster link to paper The Progress and developments of Shanghai SLR station (Z. Zhang)
link to abstract link to poster Transfer Function of the Lares-2 satellite (D. Arnold)
link to abstract   Visibility Aspects of Station Locations for Space Debris Laser Ranging (C. Bamann)
Session 2 - Performance evaluation
link to abstract link to poster Model Comparisons and Optimizations of SLR Data Processing (X. Wang)
link to abstract link to poster Orbit determination and SLR evaluation of China's space laboratory (G. Zhao)
link to abstract link to poster Required Improvements of Debris Laser Ranging to Support Collision Avoidance solution (B. Reihs)
link to abstract link to poster Simulation of Multi-Technique Terrestrial Reference Frames with Focus on Benefits from Enhanced SLR Network (R. Koenig)
link to abstract link to poster link to paper The SLR observations to GNSS satellites with improved modelling: Preliminary results and open questions (D. Ampatzidis)
link to abstract link to poster Studying different tracking strategies to LAGEOS and Etalon with respect to the weekly ILRS solution (F. Andritsch)
Session 3 - Accuracy and scheduling
link to poster The Event Timer A033-ET Family for SLR Automation (V. Bespalko)
link to abstract link to poster Impact of atmospheric pressure loading on SLR-derived station coordinates using range measurements to multi-GNSS satellites (G. Bury)
Satellite laser ranging with 1.06μm wavelength in Shanghai SLR station (M. Wendong)
link to abstract link to poster Scheduling the NASA SGSLR Network (J. Horvath)
link to abstract Sensitivity of SLR observations to horizontal gradients of the tropospheric delay (M. Drozdzewski)
Session 4 - Automation and autonomous station operation
link to poster Autonomous Post Processing (C. Moore)
link to poster Mount Stromlo Space Research Centre (C. Moore)
link to abstract link to poster Satellite laser ranging station "Lviv-1831" in Lviv, Ukraine. Status report. (Y. Blagodyr)
link to abstract link to poster Scheduling the NASA SGSLR Network (combined with Session 3) (J. Horvath)

abstracts

22 abstracts of 26 posters

posters

26 posters

paper

 3  papers of 26 posters