RECOMMENDATION ITU-R BO.1293-2 - Protection masks and associated calculation methods for interference into ... ANNEX 1 - Calculation of digital interference in the absence of appropriate protection masks ANNEX 2 - Interference calculation methods associated with Annexes 1 and 3* 1 Introduction 2 Terminology, symbols and operators 3 Interference calculation methods 3.1 The first elements, 3.2 The second major element, 3.3 EPMup, EPMdn and OEPM definitions ANNEX 3 - Calculation of protection masks for interference between various types of digital carriers 1 Method 2 Example calculation of a protection mask 3 Algorithms: Calculation of the received (wanted or interfering) signal power 3.1 Limits 3.2 Functions 3.3 Power contributions 3.4 Total received signal power APPENDIX 1 TO ANNEX 3 - Notification of parameters associated to digital emissions