The High Frequency Direction Finding Capability Center (HFDFC) provides direct support to the public safety community and other federal partners by locating interference sources. The HFDFC ensures public safety and security of the High Frequency (HF) radio spectrum (below 30 MHz) by providing assistance and technical expertise to the FCC and its licensees before, during and after emergencies. It also provides interference resolution to FCC licensees and federal government agencies, and supports the enforcement and management of the HF Spectrum.