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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:

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: [email protected]

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: [email protected]

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: [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

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: [email protected]

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: 202-482-4483

Fax: 202-482-1133

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: 202-482-3790

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

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: [email protected]

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: [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]

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: [email protected]

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: [email protected]

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: [email protected]

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: [email protected]

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: [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

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: [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. 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: [email protected]

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: [email protected]

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 (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: [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 (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: [email protected]

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: [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]

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?