Technical considerations for the coordination of mobile-satellite systems relating to the aeronautical mobile satellite (R) service (AMS(R)S) in the bands 1 545 to 1 555 MHz and 1 646.5 to 1 656.5 MHz
that, in accordance with Article 43 of the Radio Regulations (RR), the aeronautical mobilesatellite ® service (AMS®S) is reserved for communications relating to safety and regularity of
flight;