Electromagnetic Spectrum Management
United States Frequency Allocations as published by the NTIA (2016)
The spectrum is a finite resource. These pages summarize how Spectrum Management works at NRAO, and list related resources and websites. Spectrum Management at NRAO encompasses five areas of effort: National Radio Dynamic Zone (NRDZ), National Radio Quiet Zone (NRQZ), Puerto Rico Coordination Zone (PRCZ), RFI Monitoring & Mitigation, and National and International Spectrum Policy. Follow the links to the left to discover more resources and information in each of these areas.