RECOMMENDATION ITU-R S.1067 - Ways of reducing the interference from the broadcasting-satellite service into the ... ANNEX 1 - Factors concerning the protection of fixed-satellite earth stations operating in adjacent frequency band ... 1 General 2 Estimated levels of unwanted emissions from 12 GHz broadcasting satellites 3 Worst-case maximum permissible levels of spectral power flux-density at the interfered-with receivers 4 Approaches to protecting fixed-satellite earth stations 5 Protection by compatible satellite spacing and/or frequency separation (co-coverage) 5.1 Case 1: Both orbit spacing and frequency separation 5.2 Case 2: Co-located satellites (?? ? 0) 5.3 Case 3: No unused spectrum (?f ? 13.5 MHz) 5.4 Discussion 6 Some technical observations concerning frequency band allocations ANNEX 2 - Ways of reducing interference into FSS carriers from BSS channels adjacent to the FSS band