Aviation Spectrum Resources, Inc. – ASRI®

Aviation Spectrum Resources, Inc. (ASRI) manages and coordinates radio communication licensing for the aviation industry in the United States and all U.S. territories. We are responsible for managing the Aeronautical Enroute VHF Spectrum and the Long Distance Operational Control (LDOC) HF Spectrum, which are used for operational control of aircraft. ASRI’s Ground Station Administration Service (AGSA) provides frequencies for aviation business purposes to customers who have FCC-approved radio equipment. ASRI assist customers with new frequency assignments, modifications and license renewals. Currently ASRI manages the licenses for over 6,000 ground radio stations. ASRI also performs 1,000 radio station inspections per year to verify compliance with the FCC Code of Federal Regulations.

ASRI is also the worldwide International Civil Aviation Organization (ICAO) registrar for all Selective Calling (SELCAL) system codes. SELCAL is a radio calling system used by ground station radio operators to initiate communications with aircraft. ASRI manages the issuing, annual verification, and decommissioning of all SELCAL codes.