| AA |
Associate Administrator |
| AFC |
Area Frequency Coordinators |
| AFTRCC |
Aerospace & Flight Test Radio Coordinating Council |
| ANSI |
American National Standards Institute |
| ARC |
Ames Research Center |
| AFC |
Area Frequency Coordinator |
| BR |
Radiocommunications Bureau |
| DFRC |
Dryden Flight Research Center |
| DOD |
Department of Defense |
| EMC |
Electromagnetic Compatibility |
| ESA |
European Space Agency |
| ETR |
Eastern Test Range (Patrick AFB FL) |
| FAR |
Federal Acquisition Regulation |
| FAS |
Frequency Assignment Subcommittee |
| FCC |
Federal Communications Commission |
| FMLG |
Frequency Management Liaison Group |
| GHz |
gigaHertz |
| GRC |
Glenn Research Center |
| GSFC |
Goddard Space Flight Center |
| HF |
High Frequency |
| HQ |
Headquarters |
| ICNIRP |
International Commission on Non-Ionizing Radiation Protection |
| IEEE |
Institute of Electrical and Electronics Engineers Inc. |
| IFRB |
International Frequency Registration Board |
| IRAC |
Interdepartment Radio Advisory Committee |
| ITU |
International Telecommunication Union |
| ITU-R |
International Telecommunication Union - Radiocommunication Sector |
| JPL |
Jet Propulsion Laboratory |
| JSC |
Johnson Space Center |
| kHz |
kiloHertz |
| KSC |
Kennedy Space Center |
| LaRC |
Langley Research Center |
| MHz |
MegaHertz |
| MSFC |
Marshall Space Flight Center |
| NASDA |
National Space Development Agency of Japan |
| NIST |
National Institute of Standards and Technology |
| NMI |
NASA Management Instruction |
| NPD |
NASA Policy Directive |
| NPG |
NASA Procedures and Guidelines |
| NRFA |
NASA Radio Frequency Assignment |
| NRQZ |
National Radio Quiet Zone |
| NSF |
National Science Foundation |
| NSMG |
NASA Spectrum Managers' Group |
| NTIA |
National Telecommunications and Information Administration |
NTIA
Manual |
Manual of Regulations and Procedures for Federal Radio Frequency Management |
| OMB |
Office of Management and Budget |
| OSF |
Office of Space Flight |
| OSMA |
Office of Safety and Mission Assurance |
| RCS |
Radio Conference Subcommittee |
| RF |
Radio Frequency |
| RFA |
Radio Frequency Authorization |
| RFI |
Radio Frequency Interference |
| RR |
Radio Regulations |
| SFCG |
Space Frequency Coordination Group |
| SOMO |
Space Operations Management Office |
| SPS |
Spectrum Planning Subcommittee |
| SSC |
Stennis Space Center |
| SSS |
Space Systems Subcommittee |
| STGT |
Second TDRS Ground Terminal |
| TDRS |
Tracking and Data Relay Satellite |
| TSC |
Technical Subcommittee |
| UHF |
Ultra High Frequency |
| VHF |
Very High Frequency |
| WFF |
Wallops Flight Facility |
| WRC |
World Radiocommunication Conference |
| WSTF |
White Sands Test Facility |