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NAV CANADA commends the International Telecommunication Union (ITU) for its decision to adopt a primary allocation of the 1090MHz frequency band for the reception by satellite of Automatic Dependent Surveillance-Broadcast (ADS-B) signals. The amendment to the Radio Regulations was approved on November 11 during the World Radiocommunication Conference (WRC-15), in Geneva, Switzerland.
The 1090MHz frequency was already protected for aircraft to ground-based communications. The ITU decision expands the protection of that frequency to include aircraft to satellite, thus enabling space-based ADS-B for global flight tracking and air traffic surveillance.