PUBLIC NOTICE Federal Communications Commission 445 12 th St., S.W. Washington, D.C. 20554 News Media Information 202 / 418-0500 Internet: http://www.fcc.gov TTY: 1-888-835-5322 DA 18-226 March 9, 2018 WORLD RADIOCOMMUNICATION CONFERENCE ADVISORY COMMITTEE MEETINGS OF INFORMAL WORKING GROUPS THREE AND FOUR IB Docket No. 16-185 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 12 th 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). 2WRC-19 ADVISORY COMMITTEE SCHEDULE OF MEETINGS OF INFORMAL WORKING GROUPS 3 AND 4 Informal Working Group 4: Regulatory Issues Contacts: Chair – Jennifer Manner, Jennifer.Manner@echostar.com, telephone: 202-903-0329 Vice-chair – Steve Baruch, sbaruch@newwavespectrum.com, telephone: 240-476-2600 FCC Representatives Allen Yang, telephone: 202-418-0738 Clay DeCell, telephone: 202-418-0803 Larry Olson, telephone: 202-418-2142 Date: Thursday, March 29, 2018 Time: 10:00 a.m. – 11a.m. ET Teleconference Only: 1-888-858-2144 or 646-746-3008 Participant Code: 1383844 Date: Wednesday, April 11, 2018 Time: 10:00 a.m. – 11a.m. ET Teleconference Only: 1-888-858-2144 or 646-746-3008 Participant Code: 1383844 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: Thursday, March 29, 2018 Time: 11:00 a.m. – 1:00 p.m. ET Teleconference Only: 1-888-858-2144 or 646-746-3008 Participant Code: 8672480 Date: Wednesday, April 11, 2018 Time: 11:00 a.m. – 1:00 p.m. ET Teleconference Only: 1-888-858-2144 or 646-746-3008 Participant Code: 8672480 - FCC –