Interdepartment Radio Advisory Committee (IRAC)
The basic functions of the IRAC are to assist the Assistant Secretary in assigning frequencies to U.S. Government radio stations and in developing and executing policies, programs, procedures, and technical criteria pertaining to the allocation, management, and use of the electromagnetic spectrum. The basic role of the representatives appointed to serve on the IRAC is to function, when in Committee, in the interest of the United States as a whole.
Composition of the IRAC:
- Members: Dept. of Agriculture, Air Force, Army, Coast Guard, Dept. of Commerce, Dept. of Energy, Federal Aviation Administration, Dept. of Homeland Security, Dept. of the Interior, Dept. of Justice, National Aeronautics and Space Administration, Navy, National Science Foundation, Dept. of State, Dept. of Transportation, Dept. of the Treasury, United States Agency for Global Media, United States Postal Service, Dept. of Veterans Affairs
- Liaison: Federal Communications Commission
Substructure of the IRAC
The permanent substructure of the IRAC consists of the IRAC Secretariat and the:
- Emergency Planning Subcommittee (EPS)
- Frequency Assignment Subcommittee (FAS)
- Radio Conference Subcommittee (RCS)
- Space Systems Subcommittee (SSS)
- Spectrum Planning Subcommittee (SPS)
- Technical Subcommittee (TSC)
The IRAC may create subcommittees, ad hoc, or working groups to deal with specific topics.
CHAIRPERSON
Mrs. Lynna McGrath
Deputy Associate Administrator, Office of Spectrum Management
National Telecommunications and Information Administration Herbert C. Hoover Building
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-7884
Fax: 202-482-3790
Email: [email protected]
VICE-CHAIRPERSON
(Vacant)
AGENCY VICE-CHAIRPERSON
Mr. Bradford Benbow
Department of Energy
Director, Spectrum Management Office
(IM-52)
1000 Independence Ave, SW
Washington, DC 20585
Phone: 202-586-7061
Email: [email protected]
EXECUTIVE SECRETARY
Mr. Jermane Patterson
Deputy Chief, IRAC Support Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1087
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-9131
Fax: 202-482-3790
Email: [email protected]
ASSISTANT EXECUTIVE SECRETARY
(Vacant)
EMERGENCY PLANNING SUBCOMMITTEE (EPS)
CHAIRPERSON
Mr. Thomas Grimaldi
Frequency Assignment Branch, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1600
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-302-9592
Email: [email protected]
VICE-CHAIRPERSON (Vacant)
SECRETARY
Mr. Jermane Patterson
Deputy Chief, IRAC Support Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1087
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-9131
Fax: 202-482-3790
Email: [email protected]
ASSISTANT SECRETARY
Mr. Larry Scott
IRAC Support Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1087
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-2031
Fax: 202-482-3790
Email: [email protected]
FREQUENCY ASSIGNMENT SUBCOMMITTEE (FAS)
CHAIRPERSON (Acting)
Mr. Gregory Melz
Chief, Frequency Assignment Branch
Spectrum Services Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1982
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-1486
Fax: 202-482-1133
Email: [email protected]
VICE-CHAIRPERSON (Vacant)
VICE-CHAIRPERSON
(Vacant)
SECRETARY
Ms. Angelyn Harris-Kharazi
IRAC Support Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1087
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-1868
Fax: 202-482-3790
Email: [email protected]
ASSISTANT SECRETARY
Mr. Jermane Patterson
Deputy Chief, IRAC Support Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1087
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-9131
Fax: 202-482-3790
Email: [email protected]
RADIO CONFERENCE SUBCOMMITTEE (RCS)
CHAIRPERSON
Dr. Brian Patten
International Spectrum Policy Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 4090
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-0819
Fax: 202-501-8189
Email: [email protected]
VICE-CHAIRPERSON
(Vacant)
SECRETARY
Ms. Angelyn Harris-Kharazi
IRAC Support Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1087
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-1868
Fax: 202-482-1133
Email: [email protected]
ASSISTANT SECRETARY
Vacant
TECHNICAL SUBCOMMITTEE (TSC)
CHAIRPERSON
Mr. Brian Nelson
Spectrum Engineering and Analysis Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 6725
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-2259
Fax: 202-482-4595
Email: [email protected]
VICE-CHAIRPERSON
Ms. April Lundy
Spectrum Engineering and Analysis Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 6725
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-0021
Fax: 202-482-4595
Email: mailto:[email protected]
SECRETARY
Ms. Wanda Cooks
IRAC Support Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1087
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-7975
Fax: 202-482-3790
Email: [email protected]
ASSISTANT SECRETARY
Mr. Jermane Patterson
Deputy Chief, IRAC Support Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1087
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-9131
Fax: 202-482-3790
Email: [email protected]
SPECTRUM PLANNING SUBCOMMITTEE (SPS)
CHAIRPERSON
Mr. Robert Denny
Deputy Chief, Spectrum Services Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 4600
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-0879
Fax: 202-482-2830
Email: [email protected]
VICE-CHAIRPERSON
Mr. Hien Ly
Systems Review Branch, Spectrum Services Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 4600
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-1934
Fax: 202-482-2830
Email: [email protected]
SECRETARY
Mr. Larry Scott
IRAC Support Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1087
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-2031
Fax: 202-482-3790
Email: [email protected]
ASSISTANT SECRETARY
Mr. Jermane Patterson
Deputy Chief, IRAC Support Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1087
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-9131
Fax: 202-482-3790
Email: [email protected]
SPACE SYSTEMS SUBCOMMITTEE (SSS)
CHAIRPERSON
Mr. Robert Avery
International Spectrum Policy Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 4090
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-5680
Fax: 202-501-8189
Email: [email protected]
VICE-CHAIRPERSON
(Vacant)
SECRETARY
Ms. Wanda Cooks
IRAC Support Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1087
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-7975
Fax: 202-482-3790
Email: [email protected]
ASSISTANT SECRETARY
(Vacant)
AD HOC 170 – US/MEXICO COORDINATION
CONVENER
Mr. Eric Lee
International Spectrum Policy Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 4090
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-1138
Fax: 202-501-8189
Email: [email protected]
VICE-CONVENER
Ms. Aisha Wilson
International Spectrum Policy Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 4090
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-0521
Fax: 202-501-8189
Email: [email protected]
SECRETARY
Ms. Angelyn Harris-Kharazi
IRAC Support Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1087
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-1868
Fax: 202-482-1133
Email: [email protected]
AD HOC 181 – US/CANADA COORDINATION
CONVENER
Mr. Eric Lee
International Spectrum Policy Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 4090
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-1138
Fax: 202-501-8189
Email: [email protected]
VICE-CONVENER
Ms. Aisha Wilson
International Spectrum Policy Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 4090
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-0521
Fax: 202-501-8189
Email: [email protected]
SECRETARY
Ms. Angelyn Harris-Kharazi
IRAC Support Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1087
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-1868
Fax: 202-482-1133
Email: [email protected]
AD HOC 206
CONVENER
Mr. Eric Lee
International Spectrum Policy Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 4090
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-1138
Fax: 202-501-8189
Email: [email protected]
VICE-CONVENER
Ms. Amy Sanders
International Spectrum Policy Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 4090
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-1138
Fax: 202-501-8189
Email: [email protected]
SECRETARY
Mr. Larry Scott
IRAC Support Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1087
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-2031
Fax: 202-482-3790
Email: [email protected]
AD HOC 213 – IRAC OPERATIONS AND PROCEDURES
CONVENER
Mr. Bradford Benbow
Department of Energy
Director, Spectrum Management Office
(IM-52)
1000 Independence Ave, SW
Washington, DC 20585
Phone: 202-586-7061
Email: [email protected]
SECRETARY
Mr. Jermane Patterson
Deputy Chief, IRAC Support Division, Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C. Hoover Building, Room 1087
1401 Constitution Avenue, NW Washington, DC 20230
Phone: 202-482-9131
Fax: 202-482-3790
Email: [email protected]
Additional Information
- Detailed information on the IRAC can be found in Chapter 1 of the NTIA Manual of Regulations and Procedures for Federal Radio Frequency Management (the Redbook)
- IRAC Membership & Contact Information (as of March 10, 2026) [PDF]
Private Sector Participation
- Are you interested in scheduling a briefing to the IRAC?
- Are you interested in attending a scheduled public briefing?