Sharing in the Frequency Bands in the 1-3 GHz Frequency Range between Geostationary Space Stations Operating in the Mobile-Satellite Service and the Fixed Service Pfd Thresholds for Coordination of Assignments for Space-to-Earth Geostationary Space Stations in the Mobile-Satellite Service and Receiving Stations of the Fixed Service in Certain Bands in the 1-3 GHz Range