Federal Communications Commission DA 21-898 DA 21-898 Released: July 26, 2021 INFORMAL WORKING GROUP 3 AND INFORMAL WORKING GROUP 4 OF THE WORLD RADIOCOMMUNICATION CONFERENCE ADVISORY COMMITTEE REVISE THEIR MEETING SCHEDULES IB Docket No. 16-185 Informal Working Group 3 (IWG-3) and Informal Working Group 4 (IWG-4) of the 2023 World Radiocommunication Conference Advisory Committee (WRC-23 Advisory Committee) have revised and updated their meeting schedules as set forth below. The meetings are open to the public. The Commission’s WRC-23 website (www.fcc.gov/wrc-23) contains the latest information on all scheduled meetings, meeting agendas, and WRC-23 Advisory Committee matters. For further information on the attached meeting schedule, contact Dante Ibarra, the Designated Federal Official for the Advisory Committee, Dante.Ibarra@fcc.gov or WRC-23@fcc.gov (telephone: 202-418-0610). WRC-23 ADVISORY COMMITTEE SCHEDULE OF MEETINGS OF INFORMAL WORKING GROUPS 3 AND 4 Informal Working Group 3:  Space Services Contacts:   Chair – Zachary Rosenbaum, zachary.rosenbaum@ses.com, telephone: (814) 233-7373 Vice Chair – Vacant FCC Representatives   Clay DeCell, clay.decell@fcc.gov, telephone: (202) 418-0803 Kathyrn Medley, kathyrn.medley@fcc.gov, telephone: (202) 418-1211 Eric Grodsky, eric.grodsky@fcc.gov, telephone: (202) 418-0563 Dante Ibarra, dante.ibarra@fcc.gov, telephone: (202) 418-0610 IWG-3 – Meeting Date:         Thursday, July 29, 2021 Time:         1:00 p.m. – 3:00 p.m. EDT WebEx meeting number (access code): 199 890 4299 WebEx meeting password: BrR373E6wat Join by phone: +1-415-527-5035, 1998904299## US Toll IWG-3 – Meeting Date:         Wednesday, September 1, 2021 Time:         1:00 p.m. – 3:00 p.m. EDT WebEx meeting number (access code): 199 562 2904 WebEx meeting password: qPdpJJJR232 Join by phone: +1-415-527-5035 US Toll Informal Working Group 4: Regulatory Issues Contacts: Chair – David Goldman, david.goldman@spacex.com, telephone: (202) 649-2641 Vice Chair – Giselle Creeser, giselle.creeser@intelsat.com, telephone: (703) 559-7851 FCC Representatives Dante Ibarra, dante.ibarra@fcc.gov, telephone: (202) 418-0610 Clay DeCell, clay.decell@fcc.gov, telephone: (202) 418-0803 IWG-4 – Meeting Date:         Thursday, July 29, 2021 Time:         11:00 a.m. – 1:00 p.m. EDT WebEx meeting number (access code): 199 428 4773 WebEx meeting password: 3MCnidWpa46 Join by phone: +1-415-527-5035, 1994284773## US Toll IWG-4 – Meeting Date:         Wednesday, September 1, 2021 Time:         11:00 a.m. – 1:00 p.m. EDT WebEx meeting number (access code): 199 742 9498 WebEx meeting password: UdrMTgz7m53 Join by phone: +1-415-527-5035 US Toll - FCC – 2