RECOMMENDATION ITU-R BO.1517 - Equivalent power flux-density limits, epfd, to protect the broadcasting- satellite ... ANNEX 1 - Aggregate epfd limits to protect GSO BSS systems from non-GSO FSS interference ANNEX 2 - Methodology to go from single-entry epfd masks to aggregate epfd masks or vice versa 1 Mechanism of aggregation 2 Single entry to aggregate 3 Aggregate to single entry APPENDIX 1 TO ANNEX 2