August 31, 2021 ILRS Virtual World Tour 2021 second circular released 08/31/2021 Dear Colleagues: We are happy to report the updates on this year's "ILRS Virtual World Tour". In addition to the virtual visits to the stations (∼120 min), short special add-on sessions (30-60 min) are planned with the help of the Standing Committee Chairs. We look forward to seeing you in the last week of October. Schedule (tentative; in UTC): Monday, October 25 12:00 Opening session with reports from ILRS CB and Geodetic Community 12:45 Virtual Tour of Herstmonceux, UK Tuesday, October 26 13:00 Virtual Tour of Wettzell, Germany 15:00 Special Session on Network & Engineering, LLR and Space Debris Ranging Wednesday, October 27 13:00 Virtual Tour of Mendeleevo, Russia 15:00 Special Session on Analysis Thursday, October 28 06:00 Virtual Tour of Shanghai, China 08:00 Special Session on Missions (1) Friday, October 29 16:00 Virtual Tour of Monument Peak, USA 18:00 Special Session on Data Format and Missions (2), and Closing Workshop website: https://ilrs.gsfc.nasa.gov/ILRS_Virtual_World_Tour_2021/index.html Logistics: Microsoft Teams will be used for all of these sessions.The Third Circular will be issued later with details on registration. ILRS Virtual World Tour 2021 Organizers: Claudia Carabajal/SSAI, Inc @ NASA Goddard Space Flight Center, USAEvan Hoffman/NASA Goddard Space Flight Center, USAIgor Ignatenko/VNIIFTRI, RussiaJason Laing/Peraton NSGN Operations Lead, USAToshimichi Otsubo/Hitotsubashi University, Japan (Chair)Michael Pearlman/Center for Astrophysics, USAUlrich Schreiber/Geodetic Observatory Wettzell, GermanyZhang Zhongping/Shanghai Astronomical Observatory, China Link https://ilrs.gsfc.nasa.gov/ILRS_Virtual_World_Tour_2021/index.html