# Informal Working Group 1 (IWG-1), Informal Working Group 2 (IWG-2), Informal Working Group 3 (IWG-3), and Informal Working Group 4 (IWG-4) of the 2027 World Radiocommunication Conference Advisory Committee (WRC-27 Advisory Committee) Schedule Their Meetings
**AGENCY:**
Federal Communications Commission.
**ACTION:**
Notice.
**SUMMARY:**
This notice advises interested persons that Informal Working Group 1 (IWG-1), Informal Working Group 2 (IWG-2), Informal Working Group 3 (IWG-3), and Informal Working Group 4 (IWG-4) of the 2027 World Radiocommunication Conference Advisory Committee (WRC-27 Advisory Committee) have scheduled meetings as set forth below. The meetings are open to the public.
**DATES:**
25 June 2025 IWG-4 11:00 a.m. ET-1:00 p.m. ET
25 June 2025 IWG-3 2:00 p.m. ET-4:00 p.m. ET
1 July 2025 IWG-4 11:00 a.m. ET-1:00 p.m. ET
1 July 2025 IWG-3 2:00 p.m. ET-4:00 p.m. ET
15 July 2025 IWG-4 11:00 a.m. ET-1:00 p.m. ET
15 July 2025 IWG-3 2:00 p.m. ET-4:00 p.m. ET
23 July 2025 IWG-1 11:00 a.m. ET-1:00 p.m. ET
23 July 2025 IWG-2 1:00 p.m. ET-2:00 p.m. ET
29 July 2025 IWG-4 11:00 a.m. ET-1:00 p.m. ET
29 July 2025 IWG-3 2:00 p.m. ET-4:00 p.m. ET
**ADDRESSES:**
The meetings will be held virtually.
**FOR FURTHER INFORMATION CONTACT:**
Gregory Baker, Designated Federal Official, World Radiocommunication Conference Advisory Committee, FCC Office of International Affairs, Global Strategy and Negotiation Division, at *[email protected],* (202) 919-0758 or *[email protected]* .
**SUPPLEMENTARY INFORMATION:**
The FCC established the Advisory Committee to provide advice, technical support and recommendations relating to the preparation of United States proposals and positions for the 2027 World Radiocommunication Conference (WRC-27).
In accordance with the Federal Advisory Committee Act, Public Law 92-463, as amended, this notice advises interested persons of the IWG-1, IWG-2, IWG-3 and IWG-4 of the WRC-27 Advisory Committee scheduled meetings. The Commission's WRC-27 website ( *www.fcc.gov/wrc-27* ) contains the latest information on all scheduled meetings, meeting agendas, and WRC-27 Advisory Committee matters.
Below is additional IWG meeting information:
**WRC-27 Advisory Committee**
**Schedule of Meetings of Informal Working Groups 1, 2, 3 and 4**
**Informal Working Group 1: Maritime, Aeronautical and Radar Services**
*Chair* —Kim Kolb, *[email protected]* (703) 220-2438
*Vice Chair* —Nicholas Shrout, *[email protected]* (443) 951-0335
*FCC Representatives:* Louis Bell, *[email protected],* telephone: (202) 418-1641; Allen Yang, *[email protected],* telephone: (202) 418-0738; Dante Ibarra, *[email protected],* telephone: (202) 418-0610; Gregory Baker, *[email protected],* (202) 919-0758
**IWG-1—Meetings**
Dates: July 23, 2025
Time: 11:00 a.m. ET-1:00 p.m. ET
*https://fccgov.webex.com/fccgov/j.php?MTID=m3a4b99857fcb9dfec45fe0eb874e303c*
Meeting number: 2821 920 1522
Password: 1234
Join by phone: +1-415-527-5035 US Toll
Access code: 2825 237 5291
**Informal Working Group 2: Mobile and Fixed Services**
*Chair* —Daudeline Meme, *[email protected],* (202) 253-8362
*Vice Chair* —Reza Arefi, *[email protected],* (202) 235-7298
*FCC Representatives:* Louis Bell, *[email protected],* telephone: (202) 418-1641; Dante Ibarra, *[email protected],* telephone: (202) 418-0610; Gregory Baker, *[email protected],* (202) 919-0758
**IWG-2—Meetings**
Dates: July 23, 2025
Time: 1:00 p.m. ET-3:00 p.m. ET
*https://fccgov.webex.com/fccgov/j.php?MTID=m789066c7cef5b8e56233f4bd47c2783b*
Meeting number: 2825 237 5291
Password: 1234
Join by phone: +1-415-527-5035 US Toll
Access code: 2825 237 5291
**Informal Working Group 3: Fixed-Satellite Service and Regulatory Matters**
*Chair* —Alex Epshteyn, *[email protected],* (703) 963-6136
*Vice Chair* —Ryan Henry, *[email protected],* (202) 878-9360
*FCC Representatives:* Clay DeCell, *[email protected],* telephone: (202) 418-0803; Kathyrn Medley, *[email protected],* telephone: (202) 418-1211; Eric Grodsky, *[email protected],* telephone: (202) 418-0563; Dante Ibarra, *[email protected],* telephone: (202) 418-0610; Gregory Baker, *[email protected],* (202) 919-0758
**IWG-3—Meetings**
Dates: June 25, 2025
Time: 2:00 p.m. ET-4:00 p.m. ET
*https://fccgov.webex.com/fccgov/j.php?MTID=m9327a1e66da8663dd359269232fe56e1*
Meeting number: 2825 253 2293
Password: 1234
Join by phone: +1-415-527-5035 US Toll
Access code: 2825 253 2293
Dates: July 1, 2025
Time: 2:00 p.m. ET-4:00 p.m. ET
*https://fccgov.webex.com/fccgov/j.php?MTID=mc209614063df80b512824f68f45a6a64*
Meeting number: 2830 740 8273
Password: 1234
Join by phone: +1-415-527-5035 US Toll
Access code: 2830 740 8273
Dates: July 15, 2025
Time: 2:00 p.m. ET-4:00 p.m. ET
*https://fccgov.webex.com/fccgov/j.php?MTID=mda6fd7c26d20148785934545cedeef9d*
Meeting number: 2828 222 6540
Password: 1234
Join by phone: +1-415-527-5035 US Toll
Access code: 2828 222 6540
Dates: July 29, 2025
Time: 2:00 p.m. ET-4:00 p.m. ET
*https://fccgov.webex.com/fccgov/j.php?MTID=m7e7196179d797672d64158a0f73edd3a*
Meeting number: 2819 827 0470
Password: 1234
Join by phone: +1-415-527-5035 US Toll
Access code: 2819 827 0470
**Informal Working Group 4: Mobile Satellite and Space Science Services**
*Chair* —Damon Ladson, *[email protected],* (202) 730-1315
*Vice Chair* —George John, *[email protected],* (202) 673-6989
*FCC Representatives:* Dante Ibarra, *[email protected],* telephone: (202) 418-0610; Clay DeCell, *[email protected],* telephone: (202) 418-0803; Gregory Baker, *[email protected],* (202) 919-0758
**IWG-4—Meetings**
Dates: June 25, 2025
Time: 11:00 a.m. ET-1:00 p.m. ET
*https://fccgov.webex.com/fccgov/j.php?MTID=meb10a5b0ad701deb5d6273740ba71b05*
Meeting number: 2818 843 2257
Password: 1234
Join by phone: +1-415-527-5035 US Toll
Access code: 2818 843 2257
Dates: July 1, 2025
Time: 11:00 a.m. ET-1:00 p.m. ET
*https://fccgov.webex.com/fccgov/j.php?MTID=m3dfa20591afc4a83013198455da0bbfe*
Meeting number: 2831 343 8905
Password: 1234
Join by phone: +1-415-527-5035 US Toll
Access code: 2831 343 8905
Dates: July 15, 2025
Time: 11:00 a.m. ET-1:00 p.m. ET
*https://fccgov.webex.com/fccgov/j.php?MTID=m2a0aea54e5d44e8dafeee0fb6efa70a1*
Meeting number: 2828 851 3267
Password: 1234
Join by phone: +1-415-527-5035 US Toll
Access code: 2828 851 3267
Dates: July 29, 2025
Time: 11:00 a.m. ET-1:00 p.m. ET
*https://fccgov.webex.com/fccgov/j.php?MTID=meca87d7cc27d9288a0fac646e615d2a4*
Meeting number: 2829 397 0845
Password: 1234
Join by phone: +1-415-527-5035 US Toll
Access code: 2829 397 0845
Federal Communications Commission.
Nese Guendelsberger,
Deputy Office Chief, Office of International Affairs.