that the allocation of the frequency band 1 087.7-1 092.3 MHz to AMS(R)S is to extend f) reception of currently-transmitted ADS-B signals beyond terrestrial line-of-sight, to facilitate reporting position of commercial aircraft located anywhere in the world to air traffic control centres, accomplishing an important element of aviation safety and security; that International Civil Aviation Organization (ICAO) develops Standards and g) Recommended Practices (SARPs) for systems enabling position determination and tracking of aircraft for air traffic control and management; that the frequency band 1 087.7-1 092.3 MHz is also used by non-ICAO aircraft h) identification systems that have historically operated in this frequency band on a national coordination basis and should be taken into account; that, because of the complex interference environment in the frequency band 1 087.7-1 i) 092.3 MHz, administrations coordinate and control all users to ensure proper operation of all terrestrial systems, recognizing the need for systems operating under the provisions of to be designed in a No. 5.XXX a) manner that will not change aircraft equipment currently operating in accordance with recognized international aeronautical standards, including their associated transmission characteristics; that Annex 10 to the Convention on International Civil Aviation contains SARPs for b) terrestrial ADS-B usage; that the AMS(R)S systems (Earth-to-space) in the frequency band 1 087.7-1 092.3 MHz c) are designed so that they can operate with the interference environment as described in considering i), noting that the development of performance criteria for satellite reception of ADS-B is the responsibility of ICAO, resolves
f) that the allocation of the frequency band 1 087.7-1 092.3 MHz to AMS(R)S is to extend reception of currently-transmitted ADS-B signals beyond terrestrial line-of-sight, to facilitate reporting position of commercial aircraft located anywhere in the world to air traffic control centres, accomplishing an important element of aviation safety and security; g) that International Civil Aviation Organization (ICAO) develops Standards and Recommended Practices (SARPs) for systems enabling position determination and tracking of aircraft for air traffic control and management; h) that the frequency band 1 087.7-1 092.3 MHz is also used by non-ICAO aircraft identification systems that have historically operated in this frequency band on a national coordination basis and should be taken into account; i) that, because of the complex interference environment in the frequency band 1 087.7-1 092.3 MHz, administrations coordinate and control all users to ensure proper operation of all terrestrial systems, recognizing a) the need for systems operating under the provisions of No. 5.XXX to be designed in a manner that will not change aircraft equipment currently operating in accordance with recognized international aeronautical standards, including their associated transmission characteristics; b) that Annex 10 to the Convention on International Civil Aviation contains SARPs for terrestrial ADS-B usage; c) that the AMS(R)S systems (Earth-to-space) in the frequency band 1 087.7-1 092.3 MHz are designed so that they can operate with the interference environment as described in considering i), noting that the development of performance criteria for satellite reception of ADS-B is the responsibility of ICAO, resolves
ai_gft_usa_proposal_2015-07-15.docx