3 DA 18-816 August 3, 2018 WORLD RADIOCOMMUNICATION CONFERENCE ADVISORY COMMITTEE MEETINGS OF INFORMAL WORKING GROUPS ONE, THREE AND FOUR IB Docket No. 16-185 Informal Working Group 1 (IWG-1), Informal Working Group 3 (IWG-3) and Informal Working Group 4 (IWG-4) of the 2019 World Radiocommunication Conference Advisory Committee (WRC-19 Advisory Committee) have scheduled meetings as set forth below. The meetings are open to the public. The Commission’s WRC-19 website (www.fcc.gov/wrc-19) contains the latest information on all scheduled meetings and WRC-19 Advisory Committee matters. Documents of the WRC-19 Advisory Committee and IWGs generally are also available for public inspection and photocopying at the FCC’s Reference Information Center on the Courtyard Level (Room CY-A257), 445 12th Street, S.W., Washington, D.C. (telephone: 202-418-0270, TTY: 202-418-2555). For further information on the attached meeting schedule, contact Michael Mullinix of the International Bureau, Michael.Mullinix@fcc.gov (telephone: 202-418-0491). WRC-19 ADVISORY COMMITTEE SCHEDULE OF MEETINGS OF INFORMAL WORKING GROUPS 1, 3 AND 4 Informal Working Group 3:  Space Services Contacts:   Chair – Jack Wengryniuk, Jack.Wengryniuk@inmarsat.com, telephone:  202-615-4428 Vice-chair – Zachary Rosenbaum, Zachary.Rosenbaum@o3bnetworks.com, telephone: 202-813-4021 FCC Representatives   Clay DeCell, telephone:  202-418-0803 Sankar Persaud, telephone: 202-418-2441 Date:         Tuesday, September 4, 2018 Time:         11:00 a.m. – 1:00 p.m. ET Teleconference Only:  1-888-858-2144 or 646-746-3008 Participant Code:  3346822 Date:         Wednesday, September 19, 2018 Time:         11:00 a.m. – 1:00 p.m. ET Teleconference Only:  1-888-858-2144 or 646-746-3008 Participant Code:  3346822 Informal Working Group 4: Regulatory Issues Contacts: Chair – Jennifer Manner, Jennifer.Manner@echostar.com, telephone:  202-903-0329 FCC Representatives Allen Yang, telephone: 202-418-0738 Clay DeCell, telephone: 202-418-0803 Larry Olson, telephone: 202-418-2142 Date:         Tuesday, September 4, 2018 Time:         1:00 p.m. – 3:00 p.m. ET Teleconference Only:  1-888-858-2144 or 646-746-3008 Participant Code:  3346822 Date:         Wednesday, September 19, 2018 Time:         1:00 p.m. – 3:00 p.m. ET Teleconference Only:  1-888-858-2144 or 646-746-3008 Participant Code:  3346822 Informal Working Group 1: Maritime, Aeronautical and Radar Services Contacts: Chair – Joseph Cramer, Joseph.Cramer@boeing.com, telephone: 703-465-3486 FCC Representatives Allen Yang, telephone: 202-418-0738 Dante Ibarra, telephone: 202-418-0610 Kathyrn Medley, telephone: 202-418-1211 Larry Olson, telephone: 202-418-2142 Date: Tuesday, September 18, 2018 Time: 11:00 a.m. - 1:00 p.m. ET Teleconference Only:  1-888-858-2144 or 646-746-3008 Participant Code:  3346822 - FCC –