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
Mr. Alan Frable
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: 202-482-1670
Fax: 202-482-3790
Email: afrable@ntia.gov
VICE-CHAIRPERSON
Mr. Edward Drocella
Chief, 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: 202-482-2608
Fax: 202-482-4595
Email: edrocella@ntia.gov
AGENCY VICE-CHAIRPERSON
Ms. Christina McCann
(Expires 12/2025) Department of the Navy
Chief Information Officer ATTN: Spectrum
1000 Navy Pentagon
Washington, DC 20350-1000
Phone: 703-693-9329
Email: christina.s.mccann.civ@us.navy.mil
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: jpatterson@ntia.gov
ASSISTANT EXECUTIVE SECRETARY
Mr. John Darden
IRAC Support Division
Office of Spectrum Management
National Telecommunications and Information Administration
Herbert C Hoover Building, Room 1087 1401 Constitution Ave, NW Washington, DC 20230
Phone: 202-482-4417
Fax: 202-482-3790
Email: jdarden@ntia.gov
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: tgrimaldi@ntia.gov
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: jpatterson@ntia.gov
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: lscott@ntia.gov
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: 202-482-4483
Fax: 202-482-1133
Email: gmelz@ntia.gov
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: aharris-kharazi@ntia.gov
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: jpatterson@ntia.gov
RADIO CONFERENCE SUBCOMMITTEE (RCS)
CHAIRPERSON
Mr. Charles Glass
Chief, 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: 202-482-1896
Fax: 202-501-8189
Email: cglass@ntia.gov
VICE-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: bpatten@ntia.gov
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: aharris-kharazi@ntia.gov
ASSISTANT SECRETARY
Mr. John Darden
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: 202-482-0599
Fax: 202-482-3790
Email: jdarden@ntia.gov
TECHNICAL SUBCOMMITTEE (TSC)
CHAIRPERSON
Mr. Edward F. Drocella
Chief, 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: 202-482-2608
Fax: 202-482-4595
Email: edrocella@ntia.gov
VICE-CHAIRPERSON
Mr. Edison Juleau
Spectrum Analysis Branch
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: 202-482-1694
Fax: 202-482-4595
Email: ejuleau@ntia.gov
SECRETARY
Mr. John Darden
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: 202-482-0599
Fax: 202-482-3790
Email: jdarden@ntia.gov
ASSISTANT 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: wcooks@ntia.gov
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: rdenny@ntia.gov
VICE-CHAIRPERSON
Mr. Hien Ly
Chief, 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: 202-482-2069
Fax: 202-482-2830
Email: hly@ntia.gov
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: lscott@ntia.gov
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: jpatterson@ntia.gov
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: ravery@ntia.gov
VICE-CHAIRPERSON (Vacant)
SECRETARY
Ms. Verleanor Cobb
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: 202-482-3230
Fax: 202-482-3790
Email: vcobb@ntia.gov
ASSISTANT SECRETARY
Mr. John Darden
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: 202-482-0599
Fax: 202-482-3790
Email: jdarden@ntia.gov
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: elee@ntia.gov
VICE-CONVENER (Vacant)
SECRETARY
Mr. John Darden
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: 202-482-0599
Fax: 202-482-3790
Email: jdarden@ntia.gov
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: elee@ntia.gov
VICE-CONVENER (Vacant) SECRETARY
Ms. Verleanor Cobb
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: 202-482-3230
Fax: 202-482-3790
Email: vcobb@ntia.doc.gov
AD HOC 213 – IRAC OPERATIONS AND PROCEDURES
CONVENER
Ms. Christina McCann
Department of the Navy Chief Information Officer ATTN: Spectrum
1000 Navy Pentagon
Washington, DC 20350-1000
Phone: 703-693-9329
Email: christina.s.mccann.civ@us.navy.mil
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: jpatterson@ntia.gov
AD HOC 1965 – NTIA MANUAL MODERNIZATION
TBD
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 Committee Membership & Contact Information (as of August 8, 2023) [PDF]
- Officers for IRAC, subcommittees, and ad hoc groups (as of April 22, 2024) [PDF]
- Committee Membership and Contact Information (January 2025) [PDF]
Private Sector Participation
- Are you interested in scheduling a briefing to the IRAC?
- Are you interested in attending a scheduled public briefing?