Sharing between Feeder Links for the Mobile-Satellite Service and the Aeronautical Radionavigation Service in the Space-to-Earth Direction in the Band 15.4-15.7 GHz and the Protection of the Radio Astronomy Service in the Band 15.35-15.4 GHz
The pfd limits given in Section 2.2 are necessary for the protection of the aeronautical radionavigation service from interference from feeder links operating in the space-to-Earth direction in the 15.4-15.7 GHz band.